Apple256 GB
iPhone 17 Pro Max
More screen. Up to 37 hours of video.
256 GB · Deep Blue · UK A3526 · nano-SIM + eSIMFull product profile
93%Spec
match
Deep Bluematch
YOUR PHONE FACE-OFF
Real specs. Clear sources.Exact variants · Checked 4 Sept 2026Apple iPhone 17 Pro Max vs Apple iPhone Duo
DIFFERENCES AT A GLANCE
- Chipset
- iPhone 17 Pro Max: Apple A19 Pro · 6 GPU cores vs iPhone Duo: Apple A20 Pro · 7 GPU cores
- eSIM only
- iPhone 17 Pro Max: No vs iPhone Duo: Yes
- Native telephoto reach
- iPhone 17 Pro Max: 4× vs iPhone Duo: 0×
- Optical-quality zoom
- iPhone 17 Pro Max: 8× vs iPhone Duo: 2×
Compare the actual changes
Make it personal How are scores calculated?Important features fall outside this scoring model.
See the hardware and feature differences ↓Apple256 GB
iPhone Duo
7.6″ · 120 Hz
256 GB · Night Sky · UK A3720 · dual eSIM · MK2E4QN/ARelease: 23 Oct 2026Full product profile
88%Spec
match
Night Skymatch
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EVERYDAY PRIORITIESMore evidence is needed.
Change what matters An overall lead needs at least 2 scored categories verified on both phones; only display can be compared here. Compare the actual figures below.
Published-spec match · for your selected priorities. Scores compare published capabilities, not lab-tested quality. Camera image quality and independent performance tests are not rated. See scoring
Camera, Battery scoring is unavailable for this pair. Known hardware specs still appear below; default scores use only shared, verified categories.
THE DIFFERENCES, MADE VISIBLE
Visual facts
Differences first. Select a topic for its graphic, sources and conditions.
How to read this comparison
How to read this comparison
- Manufacturer facts for the exact models shown; scores cover published capabilities only. Not a quality rating or a test result.
- “Different” means the known values differ, not that one is better.
- Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE6 topics
SELECTED TOPIC
01 / 06
Chipset
A different chip or core configuration is a hardware change, not a measured performance uplift.
iPhone Duo
0.7″ larger diagonal.
Bigger is a preference, not a quality score.
- iPhone 17 Pro Max
- 6.9″
- iPhone Duo
- 7.6″
Relative diagonals · illustrative shape, not actual size
PER-DISPLAY CLAIMS
Playback on paper.
Up-to claims. Different test methods; no endurance winner.
- iPhone 17 Pro Max
- Up to 37h
- iPhone Duo
- 31 hours (inner display) · 44 hours (outer display)
Arcs on a shared 0–40 h scale · not mixed-use battery life
WHAT CHANGES BETWEEN THEM?
Full specifications ↓Key differences
15 verified differences, most decision-relevant first. 3 are also drawn in Visual facts above. Missing information stays separate.
Chipset
In Visual factsiPhone 17 Pro MaxApple A19 Pro · 6 CPU cores · 6 GPU cores · 16-core Neural Engine
iPhone DuoApple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Different hardware. A chip name or generation does not quantify real-world performance.
Camera system
iPhone 17 Pro Max48 MP main with fixed f/1.78 aperture; 48 MP ultrawide; 48 MP 4× telephoto; 8× optical-quality crop mode
iPhone DuoMain: 48 MP (f/1.6, OIS), 2x crop mode; Ultra-wide: 48 MP; Front: 12 MP (cover), under-display camera (inner); Video: up to 4K 120 fps
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Compare the camera hardware and recording modes. Matching megapixels or zoom do not mean identical cameras.
Biometrics
iPhone 17 Pro MaxFace ID via TrueDepth in the Center Stage front camera
iPhone DuoTouch ID in the side button
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Check the exact configuration and source conditions for your use.
eSIM only
iPhone 17 Pro MaxNo
iPhone DuoYes
Sources
iPhone 17 Pro Max
The UK specification lists nano-SIM plus eSIM and dual-eSIM support.
iPhone 17 Pro Max technical specifications — Apple UK supportCheck the exact configuration and source conditions for your use.
Front camera
iPhone 17 Pro Max18 MP Center Stage · f/1.9 · autofocus
iPhone DuoOuter: 12 MP Center Stage, f/2.2. Inner: under-display FaceTime camera, f/1.8; resolution not published.
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Compare the camera hardware and recording modes. Matching megapixels or zoom do not mean identical cameras.
Native telephoto reach
iPhone 17 Pro Max4×
iPhone Duo0×
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone Duo
No dedicated telephoto module; the 2× mode is a crop.
Apple UK iPhone Duo technical specificationsCheck the exact configuration and source conditions for your use.
Show 9 more verified differences
Optical-quality zoom
iPhone 17 Pro Max8×
iPhone Duo2×
Sources
iPhone 17 Pro Max
Apple's sensor-derived optical-quality mode is not a separate native 8x lens.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Manufacturer crop-mode claim; not a separate lens.
Apple UK iPhone Duo technical specificationsCheck the exact configuration and source conditions for your use.
Pixel density
iPhone 17 Pro Max460 ppi
iPhone Duo430 ppi
Sources
iPhone 17 Pro Max
Apple publishes 460 ppi directly for this model; no rounded-diagonal calculation is substituted.
iPhone 17 Pro Max technical specifications — Apple UK supportCheck the exact configuration and source conditions for your use.
Defined pro capture workflows
iPhone 17 Pro Max4
iPhone Duo0
Sources
iPhone 17 Pro Max
Four defined classes: RAW stills (ProRAW), professional video codecs (ProRes/ProRes RAW), log capture (Apple Log 2), and external timing (Genlock). Compatible apps and third-party hardware/software may be required. This calculated inventory is not a camera-quality result.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
The existing capability model counts RAW stills, professional codecs, log capture and external production tools. Apple does not list these four workflows in the complete Duo photo/video specifications.
Apple UK iPhone Duo technical specificationsCheck the exact configuration and source conditions for your use.
Rear camera modules
iPhone 17 Pro Max3
iPhone Duo2
Sources
iPhone 17 Pro Max
Apple's model-identification page explicitly lists three rear cameras: Fusion Main, Fusion Ultra Wide and Fusion Telephoto. The 2× and 8× crop modes are not extra modules.
Identify your iPhone model — regional model numbersCompare the camera hardware and recording modes. Matching megapixels or zoom do not mean identical cameras.
Screen size
iPhone 17 Pro Max6.9 in
iPhone Duo7.6 in
Sources
iPhone 17 Pro Max
Nominal diagonal. Apple UK sources disagree on the standard-rectangle measurement (6.86 versus 6.85 inches); actual viewable area is smaller. See the separate rectangular-diagonal evidence.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Inner display when open; outer display is 5.4 inches.
Apple UK iPhone Duo technical specificationsCheck the exact configuration and source conditions for your use.
Height (foldable measured folded)
iPhone 17 Pro Max163.4 mm
iPhone Duo117.8 mm
Sources
iPhone 17 Pro Max
Manufacturer dimensions; not a preference or quality score.
iPhone 17 Pro Max technical specifications — Apple UK supportA size or weight trade-off; it does not establish the better product. The foldable's published figure is its folded body. Folded and open dimensions describe different states; check the separately labelled source figures.
Thickness (foldable measured folded)
iPhone 17 Pro Max8.75 mm
iPhone Duo11.3 mm
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
A size or weight trade-off; it does not establish the better product. The foldable's published figure is its folded body. Folded and open dimensions describe different states; check the separately labelled source figures.
Weight
In Visual factsiPhone 17 Pro Max231 g
iPhone Duo254 g
Sources
iPhone 17 Pro Max
Exact UK specification. Weight can differ by configuration; no relative US weight is inferred here.
iPhone 17 Pro Max technical specifications — Apple UK supportA size or weight trade-off; it does not establish the better product.
Width (foldable measured folded)
In Visual factsiPhone 17 Pro Max78 mm
iPhone Duo84.1 mm
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
A size or weight trade-off; it does not establish the better product. The foldable's published figure is its folded body. Folded and open dimensions describe different states; check the separately labelled source figures.
Configuration & compatibility details (2)
Compared regional model
iPhone 17 Pro MaxUK A3526 · nano-SIM + eSIM
iPhone DuoUK model A3720; eSIM only
Sources
iPhone 17 Pro Max
The comparison retains the UK configuration when the retailer market changes. A model specification does not establish stock or support from a particular network.
iPhone 17 Pro Max technical specifications — Apple UK supportIdentify your iPhone model — regional model numbersiPhone Duo
Dual eSIM (two active eSIMs); no physical SIM slot; 5G (sub-6 GHz). Carrier eSIM support needs confirming with your network.
Apple UK iPhone Duo technical specificationsThese descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.
US model distinction
iPhone 17 Pro MaxUS A3257 · eSIM only
iPhone DuoUS model A3447 is also eSIM only (dual eSIM) and adds 5G mmWave (bands n258, n260, n261); its video-playback claims match the UK model.
Sources
iPhone 17 Pro Max
A different regional model. US weight and battery claims are not substituted into the UK comparison; domestic US listing availability remains a retailer check.
Identify your iPhone model — regional model numbersAn exact-variant identifier or regional network listing, not a difference in capability. Check the bands and model code for your carrier and region.
Missing or non-comparable evidence (45)
Main-camera aperture control
iPhone 17 Pro MaxFixed f/1.78
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Main camera only; the telephoto and ultrawide have different apertures.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Main camera optical stabilisation
iPhone 17 Pro MaxNot verified
iPhone DuoYes
Sources
iPhone 17 Pro Max
No source recorded for this side.
iPhone Duo
Sensor-shift OIS is stated for the 48 MP Fusion Main (including its 2× mode); the Ultra Wide lists no OIS.
Apple UK iPhone Duo technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Rear Cinematic video at 4K Dolby Vision
iPhone 17 Pro Max30 fps
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Rear-camera Cinematic mode. Ordinary 4K and front-camera recording are separate modes.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Claimed video playback
iPhone 17 Pro Max37 hours
iPhone Duo31 hours (inner display) · 44 hours (outer display)
Sources
iPhone 17 Pro Max
Manufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone - Battery Test InformationiPhone Duo
Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode. Different mode from the 31-hour inner-display claim. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.
Apple UK iPhone Duo technical specificationsThe recorded units or formats differ. These values are not ranked.
Built-in pro camera controls
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
The checked specification lists Camera Control exposure, depth, zoom, cameras, styles and tone; it does not establish the full aperture/shutter/white-balance/histogram workflow listed for iPhone 18 Pro.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Maximum digital zoom in video
iPhone 17 Pro Max15×
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Digital video zoom; not optical lens reach or a claim about image quality.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Display specification
iPhone 17 Pro MaxNot verified
iPhone DuoMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor)
Sources
iPhone 17 Pro Max
No source recorded for this side.
iPhone Duo
Inner 430 ppi, cover 460 ppi; ProMotion adaptive refresh on both displays.
Apple UK iPhone Duo technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
RAM
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Expandable storage
iPhone 17 Pro MaxNo
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
No built-in memory-card slot is listed. External USB-C storage for supported recording workflows is a separate capability.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Not verified for this exact model.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Update policy
iPhone 17 Pro MaxNot verified
iPhone DuoNo fixed update period published; ships with iOS 27.1
Sources
iPhone 17 Pro Max
No source recorded for this side.
iPhone DuoApple announces iPhone Duo
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Published support term
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Not verified for this exact model.
Apple unveils iPhone 17 Pro and iPhone 17 Pro MaxiOS 27 Preview and CompatibilityiPhone Duo
Not verified for this exact model.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Launch operating system
iPhone 17 Pro MaxNot verified
iPhone DuoiOS 27.1
Sources
iPhone 17 Pro Max
No source recorded for this side.
iPhone DuoApple announces iPhone Duo
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Apple Intelligence
iPhone 17 Pro MaxApple Intelligence; Siri AI beta in iOS 27
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Checked 13 September 2026: Apple lists iOS 27 for release on 14 September. Siri AI starts in English beta on supported devices, with regional restrictions and daily limits for some server features. It is not an iPhone 18-exclusive capability or a promise of every feature in every language.
iPhone 17 Pro Max technical specifications — Apple UK supportiOS 27 — compatibility, release and Apple Intelligence requirementsiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Stylus support
iPhone 17 Pro MaxNot verified
iPhone DuoApple Pencil (USB-C), announced for later in 2026
Sources
iPhone 17 Pro Max
No source recorded for this side.
iPhone Duo
Apple says support arrives later this year on either display, so it may not be available at launch.
Apple UK iPhone Duo technical specificationsApple announces iPhone DuoEvidence is missing or conflicting on at least one side. This is not a verified difference.
Audio Mix
iPhone 17 Pro MaxAudio Mix
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Named in the rear and front recording specifications. The checked material does not establish the newer music-isolation feature or a measured audio-quality result.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Battery and charging
iPhone 17 Pro MaxNot verified
iPhone DuoUp to 31 h video (44 h on cover screen); fast wired charging (60 W adapter), 25 W wireless
Sources
iPhone 17 Pro Max
No source recorded for this side.
iPhone Duo
Apple does not publish battery capacity in mAh. Up to 50% in around 20 minutes with a separately sold 60 W-capable or higher USB-C adapter; MagSafe and Qi2 up to 25 W. Apple claims, not independent tests.
Apple UK iPhone Duo technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Cellular modem model
iPhone 17 Pro MaxNot verified
iPhone DuoApple C2
Sources
iPhone 17 Pro Max
The checked specification does not identify the cellular modem. The Apple N1 wireless networking chip is a separate component.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Listed in the UK Mobile and Wireless section for model A3720.
Apple UK iPhone Duo technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Chip manufacturing process
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
The checked A19 Pro specification and launch article do not state the process node. A specification for another A19 variant is not substituted.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Add Cinematic effects after ordinary video capture
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
The checked specification lists Cinematic recording but does not establish the newer ordinary-video conversion feature. Editing footage already recorded in Cinematic mode is a separate capability.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Body and cover materials
iPhone 17 Pro MaxAluminium unibody · Ceramic Shield 2 front · Ceramic Shield back
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Materials and coating names do not establish comparative drop or scratch resistance.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Dual Capture 4K Dolby Vision maximum
iPhone 17 Pro Max30 fps
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Simultaneous front and rear capture. This is separate from ordinary single-camera 4K recording.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Dynamic Island
iPhone 17 Pro MaxDynamic Island
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
The checked specification names Dynamic Island without a maximum count of simultaneous activities. No absence of an activity feature is inferred.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Form factor
iPhone 17 Pro MaxNot verified
iPhone Duofoldable
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
GPU capabilities
iPhone 17 Pro MaxNeural Accelerators in the 6-core GPU · hardware-accelerated ray tracing
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Published capabilities, not independent performance measurements.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Headphone jack
iPhone 17 Pro MaxNo
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Derived from Apple's exhaustive connector specification, which lists USB-C and no 3.5mm connector.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Not verified for this exact model.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
MagSafe support
iPhone 17 Pro MaxYes
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
MagSafe charging, magnet array and alignment magnet are expressly listed. Generic Qi charging on another product does not by itself prove MagSafe support there.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
RAM and storage configuration
iPhone 17 Pro MaxNot verified
iPhone DuoRAM not published; 256 GB storage
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Open thickness
iPhone 17 Pro MaxNot verified
iPhone Duo5.2 mm
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Open width
iPhone 17 Pro MaxNot verified
iPhone Duo164.6 mm
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Outer display
iPhone 17 Pro MaxNot verified
iPhone Duo5.4-inch OLED · 1398 × 2034 · 460 ppi · up to 120 Hz
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Photographic Styles
iPhone 17 Pro MaxLatest-generation Photographic Styles
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Apple's specification does not identify the Styles 3 feature set listed for iPhone 18 Pro. No exclusive software feature is inferred.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
ProRes 4K maximum with external recording
iPhone 17 Pro Max120 fps
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Requires external recording; not a claim that every lens or the front camera supports this rate.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Qi2 wireless charging maximum
iPhone 17 Pro Max25 W
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
The exact UK specification separately lists Qi2 wireless charging up to 25 W. This is a protocol-specific published maximum with compatible equipment, not a measured or sustained charging rate.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Display diagonal before rounded corners
iPhone 17 Pro MaxConflicting evidence
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Apple UK support and model identification state 6.86 inches; the UK launch article states 6.85 inches. The nominal 6.9-inch size remains separate. This unresolved difference is excluded from numeric comparisons.
Apple unveils iPhone 17 Pro and iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK supportIdentify your iPhone model — regional model numbersiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Camera Reference Image
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
This named feature is not established by the checked iPhone 17 Pro recording specification. Its absence from that page is not proof that all reference-image workflows are impossible.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Reverse wireless charging
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Not verified for this exact model.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Not verified for this exact model.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Smart focus tracking
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Not named in the checked iPhone 17 Pro specification. This does not establish that all subject tracking is absent.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Claimed streamed video
iPhone 17 Pro Max33 hours
iPhone Duo26 hours (inner display)
Sources
iPhone 17 Pro Max
Apple UK claim; not a mixed-use endurance measurement.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Inner display. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.
Apple UK iPhone Duo technical specificationsThe recorded units or formats differ. These values are not ranked.
Thermal design
iPhone 17 Pro MaxVapour chamber laser-welded into an aluminium unibody
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Apple's published construction. The cited sustained-performance claim is not an independent measurement and does not establish superiority over another cooling design.
Apple unveils iPhone 17 Pro and iPhone 17 Pro MaxiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Time-lapse video
iPhone 17 Pro MaxTime-lapse video with stabilisation
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
The checked recording list does not state a time-lapse resolution. Ordinary 4K recording does not prove 4K time-lapse.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Claimed typical-use battery life
iPhone 17 Pro MaxNot verified
iPhone Duo24 hours
Sources
iPhone 17 Pro Max
The checked UK specification publishes local and streamed video playback, not a comparable mixed-use hours claim.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
Apple typical-use claim based on equal use of the inner and outer displays; distinct from video playback and not a cross-brand endurance test.
Apple UK iPhone Duo technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
8K recording
iPhone 17 Pro MaxNot verified
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Not verified for this exact model.
iPhone 17 Pro Max technical specifications — Apple UK supportEvidence is missing or conflicting on at least one side. This is not a verified difference.
Wireless networking chip
iPhone 17 Pro MaxApple N1
iPhone DuoNot verified
Sources
iPhone 17 Pro Max
Networking chip identity; not the cellular modem or a measured throughput result.
iPhone 17 Pro Max technical specifications — Apple UK supportiPhone Duo
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Dimensions
iPhone 17 Pro MaxNot verified
iPhone DuoClosed: 117.8 × 84.1 × 11.3 mm; open: 117.8 × 164.6 × 5.2 mm (height × width × thickness)
Sources
iPhone 17 Pro Max
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Wireless connectivity
iPhone 17 Pro MaxWi-Fi 7 · Bluetooth 6 · Thread · UWB · NFC
iPhone DuoWi-Fi 7 · Bluetooth 6 · Thread
Sources
iPhone 17 Pro Max
UWB is Apple's second-generation Ultra Wideband chip. The exact UK source explicitly lists these capabilities. Wi-Fi 7 and Ultra Wideband remain subject to regional availability; compatible equipment, provider and service conditions apply. This is not measured throughput or a new-generation-only advantage.
iPhone 17 Pro Max UK technical specifications — wireless connectivityThe named Wi-Fi and Bluetooth generations match. Radios named by only one source remain unverified on the other; omission from a positive inventory is not absence.
10 shared fields have the same recorded value.
WHAT THE SCORE COVERS
Score breakdown
Limited specification indices. Explore the inputs and their limits.
iPhone 17 Pro Max iPhone Duo
Display explainediPhone 17 Pro Max leads
iPhone 17 Pro Max: Scores Apple-published 3,000-nit outdoor peak brightness, 460 ppi and adaptive refresh up to 120Hz. Peak brightness is not independently measured.
iPhone Duo: Published brightness, pixel density and maximum refresh under the existing capability model. This is not a laboratory display rating.
Explore the sources WHAT MATTERS TO YOU?
Your priorities
Make the comparison fit your life.
Any must-haves?
COMPARE THE DETAILS
Full specifications
All specs77 specificationsiPhone 17 Pro MaxiPhone Duo
iPhone 17 Pro MaxiPhone DuoWeightDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
231g
Exact UK specification. Weight can differ by configuration; no relative US weight is inferred here.
254g
WidthDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
78mm
84.1mm
Closed width
ThicknessDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
8.75mm
11.3mm
Closed thickness
Thermal design
Sources
iPhone 17 Pro MaxApple unveils iPhone 17 Pro and iPhone 17 Pro Max
iPhone DuoNo source recorded
Vapour chamber laser-welded into an aluminium unibodyApple's published construction. The cited sustained-performance claim is not an independent measurement and does not establish superiority over another cooling design.
Not verified
HeightDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
163.4 mmManufacturer dimensions; not a preference or quality score.
117.8 mm
Dimensions
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
Closed: 117.8 × 84.1 × 11.3 mm; open: 117.8 × 164.6 × 5.2 mm (height × width × thickness)
Form factor
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
foldable
Colour
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple UK iPhone Duo, 256 GB, Night Sky
Not verified
Night Sky
Open width
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
164.6 mm
Open thickness
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
5.2 mm
Screen sizeDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
6.9″
Nominal diagonal. Apple UK sources disagree on the standard-rectangle measurement (6.86 versus 6.85 inches); actual viewable area is smaller. See the separate rectangular-diagonal evidence.
7.6″
Inner display size · Inner display when open; outer display is 5.4 inches.
Published peak brightnessManufacturer peak claims use different test conditions.
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
3000 nits
Apple-published outdoor peak, not an independent measurement; HDR peak is 1,600 nits and typical maximum is 1,000 nits.
3000 nits
Published outdoor peak · Manufacturer claim, not an independent measurement.
Pixel densityDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
460 ppi
Apple publishes 460 ppi directly for this model; no rounded-diagonal calculation is substituted.
430 ppi
Inner pixel density
Maximum refresh rate
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
120Hz
Maximum adaptive ProMotion refresh rate; not a constant rate or measured motion-quality result.
120Hz
Adaptive ProMotion; refresh depends on content.
Dynamic Island
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Dynamic IslandThe checked specification names Dynamic Island without a maximum count of simultaneous activities. No absence of an activity feature is inferred.
Not verified
Display specification
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
Main: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor)Inner 430 ppi, cover 460 ppi; ProMotion adaptive refresh on both displays.
Outer display
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
5.4-inch OLED · 1398 × 2034 · 460 ppi · up to 120 Hz
Native telephoto reachDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
4×
No dedicated lensNo dedicated telephoto module; the 2× mode is a crop.
Rear camera modulesDiffers
Sources
iPhone 17 Pro MaxIdentify your iPhone model — regional model numbers
3
Apple's model-identification page explicitly lists three rear cameras: Fusion Main, Fusion Ultra Wide and Fusion Telephoto. The 2× and 8× crop modes are not extra modules.
2
Camera systemDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
48 MP main with fixed f/1.78 aperture; 48 MP ultrawide; 48 MP 4× telephoto; 8× optical-quality crop mode
Main: 48 MP (f/1.6, OIS), 2x crop mode; Ultra-wide: 48 MP; Front: 12 MP (cover), under-display camera (inner); Video: up to 4K 120 fps
Front camerasDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
18 MP Center Stage · f/1.9 · autofocus
Outer: 12 MP Center Stage, f/2.2. Inner: under-display FaceTime camera, f/1.8; resolution not published.
Main-camera aperture control
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Fixed f/1.78Main camera only; the telephoto and ultrawide have different apertures.
Not verified
Rear 4K recording maximum
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
120 fps100/120 fps use the Fusion Main camera; this is distinct from Cinematic mode and does not establish recording quality.
120 fps100 and 120 fps are Fusion Main only. Manufacturer recording-mode claim; not an independent quality or sustained-recording test.
ProRes 4K maximum with external recording
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
120 fpsRequires external recording; not a claim that every lens or the front camera supports this rate.
Not verified
Dual Capture 4K Dolby Vision maximum
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
30 fpsSimultaneous front and rear capture. This is separate from ordinary single-camera 4K recording.
Not verified
Front 4K recording maximum
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
60 fpsCenter Stage front camera. Rear Fusion Main and front Cinematic mode have separate limits.
60 fpsOuter 12 MP Center Stage camera. The inner under-display FaceTime camera records up to 1080p at 60 fps.
Rear Cinematic video at 4K Dolby Vision
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
30 fpsRear-camera Cinematic mode. Ordinary 4K and front-camera recording are separate modes.
Not verified
Maximum digital zoom in video
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
15×Digital video zoom; not optical lens reach or a claim about image quality.
Not verified
Photographic Styles
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Latest-generation Photographic StylesApple's specification does not identify the Styles 3 feature set listed for iPhone 18 Pro. No exclusive software feature is inferred.
Not verified
Time-lapse video
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Time-lapse video with stabilisationThe checked recording list does not state a time-lapse resolution. Ordinary 4K recording does not prove 4K time-lapse.
Not verified
Audio Mix
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Audio MixNamed in the rear and front recording specifications. The checked material does not establish the newer music-isolation feature or a measured audio-quality result.
Not verified
Published professional camera workflowsDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
4Four defined classes: RAW stills (ProRAW), professional video codecs (ProRes/ProRes RAW), log capture (Apple Log 2), and external timing (Genlock). Compatible apps and third-party hardware/software may be required. This calculated inventory is not a camera-quality result.
0The existing capability model counts RAW stills, professional codecs, log capture and external production tools. Apple does not list these four workflows in the complete Duo photo/video specifications.
Optical-quality zoomDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
8×Apple's sensor-derived optical-quality mode is not a separate native 8x lens.
2×Manufacturer crop-mode claim; not a separate lens.
Main camera optical stabilisation
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
YesSensor-shift OIS is stated for the 48 MP Fusion Main (including its 2× mode); the Ultra Wide lists no OIS.
Claimed video playbackUp-to manufacturer claims. Playback protocols differ.Differs
37 hoursManufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.
31 hours (inner display) · 44 hours (outer display)Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode. Different mode from the 31-hour inner-display claim. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.
Wireless charging
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
YesApple lists MagSafe and Qi2 wireless charging up to 25W.
Yes
Typical use
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Not verifiedThe checked UK specification publishes local and streamed video playback, not a comparable mixed-use hours claim.
24 hoursApple typical-use claim based on equal use of the inner and outer displays; distinct from video playback and not a cross-brand endurance test.
Time to 50% wired charge
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
20 minutesApple claim with a separately sold 40W-capable adapter or higher; not a sustained charging rate.
20 minutesApple claim with a separately sold 60W-capable adapter.
Claimed streamed videoDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
33 hoursApple UK claim; not a mixed-use endurance measurement.
26 hours (inner display)Inner display. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.
MagSafe / Qi2 charging
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
25 WMagSafe and Qi2 maximum with compatible charging equipment. Apple's MagSafe test requires a 30W adapter or higher; this is not measured charging speed.
25 WCompatible charger and adapter required.
MagSafe support
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
YesMagSafe charging, magnet array and alignment magnet are expressly listed. Generic Qi charging on another product does not by itself prove MagSafe support there.
Not verified
Qi2 wireless charging maximum
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
25 WThe exact UK specification separately lists Qi2 wireless charging up to 25 W. This is a protocol-specific published maximum with compatible equipment, not a measured or sustained charging rate.
Not verified
Battery and charging
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
Up to 31 h video (44 h on cover screen); fast wired charging (60 W adapter), 25 W wirelessApple does not publish battery capacity in mAh. Up to 50% in around 20 minutes with a separately sold 60 W-capable or higher USB-C adapter; MagSafe and Qi2 up to 25 W. Apple claims, not independent tests.
Apple Intelligence
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK supportiOS 27 — compatibility, release and Apple Intelligence requirements
iPhone DuoNo source recorded
Apple Intelligence; Siri AI beta in iOS 27Checked 13 September 2026: Apple lists iOS 27 for release on 14 September. Siri AI starts in English beta on supported devices, with regional restrictions and daily limits for some server features. It is not an iPhone 18-exclusive capability or a promise of every feature in every language.
Not verified
Update policy
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple announces iPhone Duo
Not verified
No fixed update period published; ships with iOS 27.1
Launch operating system
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple announces iPhone Duo
Not verified
iOS 27.1
ChipsetDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Apple A19 Pro · 6 CPU cores · 6 GPU cores · 16-core Neural Engine
Apple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine
GPU capabilities
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Neural Accelerators in the 6-core GPU · hardware-accelerated ray tracingPublished capabilities, not independent performance measurements.
Not verified
Body and cover materials
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Aluminium unibody · Ceramic Shield 2 front · Ceramic Shield backMaterials and coating names do not establish comparative drop or scratch resistance.
Not verified
Cellular modem
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Not verifiedThe checked specification does not identify the cellular modem. The Apple N1 wireless networking chip is a separate component.
Apple C2Listed in the UK Mobile and Wireless section for model A3720.
Wireless networking chip
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Apple N1Networking chip identity; not the cellular modem or a measured throughput result.
Not verified
Connections
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
USB-C · DisplayPort · USB 3 up to 10 Gb/sA USB 3 cable rated for 10 Gb/s is required; the connector shape alone does not establish this bandwidth.
USB-C · DisplayPort · USB 3 up to 10 Gb/s
Regional SIM / network configurationConfiguration
UK A3526 · nano-SIM + eSIMThe comparison retains the UK configuration when the retailer market changes. A model specification does not establish stock or support from a particular network.
UK model A3720; eSIM onlyDual eSIM (two active eSIMs); no physical SIM slot; 5G (sub-6 GHz). Carrier eSIM support needs confirming with your network.
US specification differenceConfiguration
Sources
iPhone 17 Pro MaxIdentify your iPhone model — regional model numbers
US A3257 · eSIM onlyA different regional model. US weight and battery claims are not substituted into the UK comparison; domestic US listing availability remains a retailer check.
US model A3447 is also eSIM only (dual eSIM) and adds 5G mmWave (bands n258, n260, n261); its video-playback claims match the UK model.
Biometric authenticationDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Face ID via TrueDepth in the Center Stage front camera
Touch ID in the side button
Wireless connectivity
Sources
Wi-Fi 7 · Bluetooth 6 · Thread · UWB · NFCUWB is Apple's second-generation Ultra Wideband chip. The exact UK source explicitly lists these capabilities. Wi-Fi 7 and Ultra Wideband remain subject to regional availability; compatible equipment, provider and service conditions apply. This is not measured throughput or a new-generation-only advantage.
Wi-Fi 7 · Bluetooth 6 · Thread
Storage
256 GBSelected 256 GB UK A3526 configuration. The model-specific support page and model index list 256 GB among the available capacities. This states storage, not RAM or retailer stock.
256 GB
Headphone jack
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
NoDerived from Apple's exhaustive connector specification, which lists USB-C and no 3.5mm connector.
Not verifiedNot verified for this exact model.
Expandable storage
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
NoNo built-in memory-card slot is listed. External USB-C storage for supported recording workflows is a separate capability.
Not verifiedNot verified for this exact model.
eSIM onlyDiffers
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
NoThe UK specification lists nano-SIM plus eSIM and dual-eSIM support.
Yes
Ingress protection
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
IP68Apple's controlled-lab claim is up to 6m for 30 minutes under IEC 60529; resistance is not permanent.
IP68Apple controlled test: 6 metres for 30 minutes; resistance is not permanent.
RAM and storage configuration
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple UK iPhone Duo, 256 GB, Night Sky
Not verified
RAM not published; 256 GB storageApple does not publish RAM capacity.
Announced
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple announces iPhone Duo
Not verified
2026-09-09
Pre-orders open
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple announces iPhone Duo
Not verified
2026-10-16
Announced availability
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple announces iPhone Duo
Not verified
2026-10-23
Apple UK reference price
Sources
iPhone 17 Pro MaxNo source recorded
iPhone DuoApple UK iPhone Duo, 256 GB, Night Sky
Not verified
£1,999Announced 256 GB configuration price; not a current retailer offer.
Stylus support
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
Apple Pencil (USB-C), announced for later in 2026Apple says support arrives later this year on either display, so it may not be available at launch.
Show unverified (10)Not verified or conflicting for both phones. Kept for completeness; never counted as a difference.
8K video recording
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
Not verified8K recording · Not verified for this exact model.
Not verified8K recording is not mentioned.
Published support term
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
Not verifiedNot verified for this exact model.
Chip manufacturing process
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Not verifiedThe checked A19 Pro specification and launch article do not state the process node. A specification for another A19 variant is not substituted.
Not verified
Display diagonal before rounded corners
Sources
iPhone 17 Pro MaxApple unveils iPhone 17 Pro and iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK supportIdentify your iPhone model — regional model numbers
iPhone DuoNo source recorded
Conflicting sourcesApple UK support and model identification state 6.86 inches; the UK launch article states 6.85 inches. The nominal 6.9-inch size remains separate. This unresolved difference is excluded from numeric comparisons.
Not verified
Camera Reference Image
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Not verifiedThis named feature is not established by the checked iPhone 17 Pro recording specification. Its absence from that page is not proof that all reference-image workflows are impossible.
Not verified
Add Cinematic effects after ordinary video capture
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Not verifiedThe checked specification lists Cinematic recording but does not establish the newer ordinary-video conversion feature. Editing footage already recorded in Cinematic mode is a separate capability.
Not verified
Smart focus tracking
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Not verifiedNot named in the checked iPhone 17 Pro specification. This does not establish that all subject tracking is absent.
Not verified
Built-in pro camera controls
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Not verifiedThe checked specification lists Camera Control exposure, depth, zoom, cameras, styles and tone; it does not establish the full aperture/shutter/white-balance/histogram workflow listed for iPhone 18 Pro.
Not verified
Reverse wireless charging
Sources
iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK support
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
Not verifiedNot verified for this exact model.
RAM
Sources
iPhone 17 Pro MaxNo source recorded
Not verified
Not verifiedNot published by Apple.
Exact variants · Manufacturer specificationsView sources
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Manufacturer specifications verified for both phones. Your choice doesn’t change the comparison above.
Good comparisons start with good sources.9 cited sources for this pair. Every number has a story.See the evidence
Your selected categories: Display. Scores reflect published capabilities, not hands-on testing. Manufacturer battery claims can use different test conditions. Verified specifications remain visible even where a category cannot be scored.
How we calculate scoresApple iPhone 17 Pro Max
256 GB · checked 4 Sept 2026
Your weighted score93.0 / 100Selected categories: Display.
(93.00 × 1 + 100.00 × 0) ÷ 1
Display93.0 / 100
Scores Apple-published 3,000-nit outdoor peak brightness, 460 ppi and adaptive refresh up to 120Hz. Peak brightness is not independently measured.
Selected weight: 1.
medium confidence · 100% model coveragePublished peak brightnessSource value: 3000
100.00 × 40% = 40.00Manufacturer-published peak figure; not an independent measurement.
AppleCategory score = 40.00 + 28.00 + 25.00 = 93.00
CameraNot scored
Published camera specifications remain available, but omission of 8K from the recording table does not establish its absence. The camera model requires verified recording support, so its score is withheld.
Not included in your current weighted score.
Missing: Explicitly verified 8K recording support or non-support.
Battery100.0 / 100
Uses Apple's up-to 37-hour local-video claim and up-to-50%-in-20-minutes claim. The v1 runtime component is capped at its published 35-hour ceiling; these are not independent endurance measurements.
Not included in your current weighted score.
low confidence · 100% model coverageManufacturer-claimed local video playbackSource value: 37
100.00 × 65% = 65.00Manufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.
AppleAppleManufacturer-claimed charging rateSource value: 2.5
100.00 × 35% = 35.0050% divided by 20 minutes using Apple's 40W-or-higher adapter claim; not a sustained charging measurement.
AppleCategory score = 65.00 + 35.00 = 100.00
PerformanceNot scored
Apple publishes chip configuration and relative marketing claims, but no comparable cross-platform benchmark under this methodology.
Not included in your current weighted score.
Missing: Comparable independently measured CPU benchmark, Comparable independently measured GPU benchmark, Comparable sustained-performance test.
LongevityNot scored
Apple describes long software support and lists iOS 27 compatibility, but its UK material does not promise a fixed support duration for this model.
Not included in your current weighted score.
Missing: Published model-specific OS support duration in years.
Specifications & verification
Weight231 gManufacturer claim · high confidence
Exact UK specification. Weight can differ by configuration; no relative US weight is inferred here.
AppleWidth78 mmManufacturer claim · high confidenceApple
Thickness8.75 mmManufacturer claim · high confidenceApple
Display size6.9 inchesManufacturer claim · high confidence
Nominal diagonal. Apple UK sources disagree on the standard-rectangle measurement (6.86 versus 6.85 inches); actual viewable area is smaller. See the separate rectangular-diagonal evidence.
ApplePeak brightness3,000 nitsManufacturer claim · medium confidence
Apple-published outdoor peak, not an independent measurement; HDR peak is 1,600 nits and typical maximum is 1,000 nits.
AppleClaimed video playback37 hoursManufacturer claim · medium confidence
Manufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.
AppleAppleClaimed charging rate2.5% per minuteCalculated from sources · low confidence
A normalized rate derived from a manufacturer up-to claim, not a sustained charging measurement. Apple requires a 40W-or-higher adapter.
50 percent divided by 20 minutes.
AppleWireless chargingYesManufacturer claim · high confidence
Apple lists MagSafe and Qi2 wireless charging up to 25W.
AppleHeadphone jackNoCalculated from sources · high confidence
Derived from Apple's exhaustive connector specification, which lists USB-C and no 3.5mm connector.
AppleExpandable storageNoCalculated from sources · medium confidence
No built-in memory-card slot is listed. External USB-C storage for supported recording workflows is a separate capability.
AppleeSIM onlyNoManufacturer claim · high confidence
The UK specification lists nano-SIM plus eSIM and dual-eSIM support.
AppleIP ratingIP68Manufacturer claim · high confidence
Apple's controlled-lab claim is up to 6m for 30 minutes under IEC 60529; resistance is not permanent.
ApplePixel density460 ppiManufacturer claim · high confidence
Apple publishes 460 ppi directly for this model; no rounded-diagonal calculation is substituted.
AppleMaximum refresh rate120 HzManufacturer claim · high confidence
Maximum adaptive ProMotion refresh rate; not a constant rate or measured motion-quality result.
AppleNative telephoto reach4×Manufacturer claim · high confidenceApple
Claimed optical-quality reach8×Manufacturer claim · high confidence
Apple's sensor-derived optical-quality mode is not a separate native 8x lens.
AppleRear camera modules3Manufacturer claim · high confidence
Apple's model-identification page explicitly lists three rear cameras: Fusion Main, Fusion Ultra Wide and Fusion Telephoto. The 2× and 8× crop modes are not extra modules.
AppleManufacturer list price£1,199.00Reference only · not a live offer or current priceApple Newsroom UK
All sources8
- iPhone 17 Pro Max technical specifications — Apple UK supportApple · accessed 11 Sept 2026
- Apple unveils iPhone 17 Pro and iPhone 17 Pro MaxApple Newsroom UK · accessed 3 Sept 2026
- iPhone - Battery Test InformationApple · accessed 3 Sept 2026
- iOS 27 Preview and CompatibilityApple · accessed 3 Sept 2026
- iPhone 17 Pro Max technical specifications — Apple UK supportApple · accessed 11 Sept 2026
- Identify your iPhone model — regional model numbersApple · accessed 11 Sept 2026
- iOS 27 — compatibility, release and Apple Intelligence requirementsApple · accessed 13 Sept 2026
- iPhone 17 Pro Max UK technical specifications — wireless connectivityApple · accessed 15 Oct 2026
Apple iPhone Duo
256 GB · checked 28 Sept 2026
Your weighted score87.8 / 100Selected categories: Display.
(87.75 × 1) ÷ 1
Display87.8 / 100
Published brightness, pixel density and maximum refresh under the existing capability model. This is not a laboratory display rating.
Selected weight: 1.
medium confidence · 100% model coveragePublished peak brightnessSource value: 3000
100.00 × 40% = 40.00Manufacturer-published peak figure; not an independent measurement.
ApplePixel densitySource value: 430
65.00 × 35% = 22.75Published or explicitly calculated pixel density.
AppleCategory score = 40.00 + 22.75 + 25.00 = 87.75
CameraNot scored
Camera hardware is listed, but all inputs for the camera-capability model have not been verified.
Not included in your current weighted score.
Missing: Complete model-defined camera workflow evidence.
BatteryNot scored
Video playback is published per display (inner and outer screens), so no single figure is comparable with a single-screen phone's claim.
Not included in your current weighted score.
Missing: A playback claim for the whole phone.
PerformanceNot scored
Comparable independent CPU, GPU and sustained-performance measurements are not available here.
Not included in your current weighted score.
Missing: Independent benchmarks.
LongevityNot scored
The published update policy is listed separately; remaining support is not converted into a quality score.
Not included in your current weighted score.
Missing: Comparable remaining-support scoring methodology.
Specifications & verification
Weight254 gManufacturer claim · high confidenceApple
Display size7.6 inchesManufacturer claim · high confidence
Inner display when open; outer display is 5.4 inches.
ApplePeak brightness3,000 nitsManufacturer claim · high confidence
Manufacturer claim, not an independent measurement.
AppleClaimed video playback31 hoursManufacturer claim · high confidence
Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode.
AppleClaimed charging rate2.5% per minuteCalculated from sources · low confidence
Apple claim with a separately sold 60W-capable adapter. 50 divided by 20 minutes; not a sustained charging rate.
ApplePublished total supportNot verified
Not published
Wireless chargingYesManufacturer claim · high confidenceApple
Reverse wireless chargingNot verified
Not published
Headphone jackNot verified
Not published
Expandable storageNot verified
Not published
eSIM onlyYesManufacturer claim · high confidenceApple
IP ratingIP68Manufacturer claim · high confidence
Apple controlled test: 6 metres for 30 minutes; resistance is not permanent.
ApplePixel density430 ppiManufacturer claim · high confidenceApple
Maximum refresh rate120 HzManufacturer claim · high confidence
Adaptive ProMotion; refresh depends on content.
AppleNative telephoto reach0×Manufacturer claim · high confidence
No dedicated telephoto module; the 2× mode is a crop.
AppleClaimed optical-quality reach2×Manufacturer claim · high confidence
Manufacturer crop-mode claim; not a separate lens.
AppleRear camera modules2Manufacturer claim · high confidenceApple
Manufacturer list price£1,999.00Reference only · not a live offer or current priceApple
All sources4
- Apple UK iPhone Duo technical specificationsApple · accessed 9 Sept 2026
- Apple US iPhone Duo technical specificationsApple · accessed 9 Sept 2026
- Apple UK iPhone Duo, 256 GB, Night SkyApple · accessed 9 Sept 2026
- Apple announces iPhone DuoApple · accessed 9 Sept 2026
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