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YOUR PHONE FACE-OFF

Apple iPhone Duo vs Samsung Galaxy S25

Real specs. Clear sources.Exact variants · Checked 4 Sept 2026
Apple256 GB

iPhone Duo

7.6″ · 120 Hz

256 GB · Night Sky · UK A3720 · dual eSIM · MK2E4QN/ARelease: 23 Oct 2026Full product profile
iPhone Duo in Night Sky, official Apple front and rear product views; open folding display shownNight Sky
PricesCheck retailers

Search links open retailer results.

UK list price from Apple, checked 9 Sept 2026 · not a live offer: £1,999.00Apple source — manufacturer reference price, opens in a new tab

UK: no verified listing yet · checked daily

US: no verified listing yet · checked daily

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Affiliate links

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DIFFERENCES AT A GLANCE

Chipset
iPhone Duo: Apple A20 Pro · 7 GPU cores vs Galaxy S25: Qualcomm Snapdragon 8 Elite for Galaxy
Time to 50% wired charge
iPhone Duo: 20 minutes vs Galaxy S25: 30 minutes
Wireless connectivity
iPhone Duo: Wi-Fi 7 · Bluetooth 6 · Thread vs Galaxy S25: Wi-Fi 7 · Bluetooth 5.4 · NFC
eSIM only
iPhone Duo: Yes vs Galaxy S25: No
iPhone Duo first, Galaxy S25 second. Different is not better: see every verified difference below.
See the 22 verified differences
Samsung256 GB

Galaxy S25

6.2 inches. Just 162 grams.

256 GB · 12 GB RAM · Navy · UK SM-S931BDBGEUBFull product profile
Galaxy S25 in Navy, front and rearNavy
PricesCheck retailers

Search links open retailer results.

UK list price from Samsung, checked 3 Sept 2026 · not a live offer: £859.00Samsung source — manufacturer reference price, opens in a new tab

UK: no verified listing yet · checked daily

US: no verified listing yet · checked daily

As an eBay Partner, we may be compensated if you make a purchase.

Affiliate links

We may earn a commission. Search results can include other models; check the exact variant and final price with the retailer.

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. 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 DuoApple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine
Galaxy S25Qualcomm Snapdragon 8 Elite for Galaxy

UK S25 launch explicitly names Snapdragon 8 Elite for Galaxy. No benchmark is inferred.

Explore the full specifications
iPhone Duo

1.4″ larger diagonal.

Bigger is a preference, not a quality score.

iPhone Duo
7.6″
Galaxy S25
6.2″

Relative diagonals · illustrative shape, not actual size

PER-DISPLAY CLAIMS

Playback on paper.

Up-to claims. Different test methods; no endurance winner.

iPhone Duo
31 hours (inner display) · 44 hours (outer display)
Galaxy S25
Up to 29h

Arcs on a shared 0–40 h scale · not mixed-use battery life

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

22 verified differences, most decision-relevant first. 3 are also drawn in Visual facts above. Missing information stays separate.

Camera system

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
Galaxy S2550 MP main · 12 MP ultra-wide · 10 MP 3× telephoto
Sources
Galaxy S25

Physical lenses are individually identified by the launch table. Cropped optical-quality modes are not extra modules.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUBGalaxy S25 UK launch — model tables and charging conditions

Compare the camera hardware and recording modes. Matching megapixels or zoom do not mean identical cameras.

Display specification

iPhone DuoMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor)
Galaxy S256.2-inch Dynamic AMOLED 2X · 2340 × 1080 · adaptive up to 120 Hz
Sources
iPhone Duo

Inner 430 ppi, cover 460 ppi; ProMotion adaptive refresh on both displays.

Apple UK iPhone Duo technical specifications
Galaxy S25

Exact model diagonal and pixel dimensions; shared adaptive-range claim is from the named UK launch table.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUBGalaxy S25 UK launch — model tables and charging conditions

Check the exact configuration and source conditions for your use.

Wireless connectivity

iPhone DuoWi-Fi 7 · Bluetooth 6 · Thread
Galaxy S25Wi-Fi 7 · Bluetooth 5.4 · NFC
Sources
Galaxy S25

Exact SKU connectivity rows. S26 Bluetooth5.4 is not replaced with Plus/Ultra6.0; regulatory/provider/equipment limits apply.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

The named Wi-Fi or Bluetooth generations differ. Other radios named by only one source remain unverified on the other; omission from a positive inventory is not absence. Check the exact regional model and compatible equipment.

Update policy

iPhone DuoNo fixed update period published; ships with iOS 27.1
Galaxy S25Seven OS generations · seven years of security updates from first global launch
Sources
Galaxy S25

Major-version count and total security duration remain separate; neither is years remaining or hardware lifespan.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Distinguish Android upgrades from security coverage. A total term from launch is not the support remaining from today or from purchase.

Show 16 more verified differences

Battery and charging

iPhone DuoUp to 31 h video (44 h on cover screen); fast wired charging (60 W adapter), 25 W wireless
Galaxy S254000 mAh typical · up to 29 hours local video · up to 50% charge in around 30 minutes with a 25 W adapter
Sources
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 specifications
Galaxy S25

Typical capacity, playback and charge endpoint are different manufacturer claims. Adapter power is not maximum handset input or sustained measured power.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUBGalaxy S25 UK launch — model tables and charging conditions

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Configuration & compatibility details (2)

RAM and storage configuration

iPhone DuoRAM not published; 256 GB storage
Galaxy S2512 GB RAM · 256 GB storage
Sources
iPhone Duo

Apple does not publish RAM capacity.

Apple UK iPhone Duo, 256 GB, Night Sky
Galaxy S25

Exact selected SKU table; neither 16 GB / 1 TB Ultra nor another capacity is substituted.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

A configuration choice: the storage tier of each exact variant compared. Most models are sold in several tiers, so this is not a difference between the models.

Regional SIM / network configuration

iPhone DuoUK model A3720; eSIM only
Galaxy S25UK SM-S931BDBGEUB · 12 GB / 256 GB · nano-SIM + eSIM
Sources
iPhone 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 specifications
Galaxy S25

Actual retrieved selected-SKU response, not a guessed order code. Identity does not establish current stock or carrier compatibility.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (46)

Main-camera aperture control

iPhone DuoNot verified
Galaxy S25Fixed f/1.8
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Aperture is matched to the named Wide lens, not another row or telephoto aperture.

Galaxy S25 UK launch — model tables and charging conditions

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear 4K recording maximum

iPhone Duo120 fps
Galaxy S25Not verified
Sources
iPhone Duo

100 and 120 fps are Fusion Main only. Manufacturer recording-mode claim; not an independent quality or sustained-recording test.

Apple UK iPhone Duo technical specifications
Galaxy S25

The table lists UHD120 under Slow Motion, not ordinary rear 4K capture. A normal-mode maximum needs additional mode-specific evidence.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear-system optical stabilisation

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit rear-system Yes; not proof every lens has OIS.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear camera autofocus

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit rear-system autofocus; no focus-speed score is inferred.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Front camera autofocus

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit front autofocus Yes.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Front camera optical stabilisation

iPhone DuoNot verified
Galaxy S25Not verified
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Rear-system OIS is not transferred to the front lens.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed video playback

iPhone Duo31 hours (inner display) · 44 hours (outer display)
Galaxy S2529 hours
Sources
iPhone 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 specifications
Galaxy S25

Up-to manufacturer video estimate; test method and settings differ from Apple and OnePlus, so this does not prove cross-brand mixed-use endurance.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

The recorded units or formats differ. These values are not ranked.

Typical battery capacity

iPhone DuoNot verified
Galaxy S254000 mAh
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Direct typical capacity, separate from rated minimum.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum wired charging power

iPhone DuoNot verified
Galaxy S25Not verified
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

25 W is the named adapter in the source test; a maximum sustained handset-input value is not established by that requirement.

Galaxy S25 UK launch — model tables and charging conditions

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Storage technology

iPhone DuoNot verified
Galaxy S25Not verified
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

The exact SKU table does not identify a UFS version.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Expandable storage

iPhone DuoNot verified
Galaxy S25Not verified
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

Galaxy S25

Not verified for this exact model.

Galaxy S25 256GB — Specifications and Software Support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

eSIM support

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit embedded-SIM and mixed/dual-eSIM arrangements; provider support remains separate.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published support term

iPhone DuoNot verified
Galaxy S257 years
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

Galaxy S25

Seven years from first global launch, not seven years from purchase.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Promised OS version upgrades

iPhone DuoNot verified
Galaxy S257
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Seven generations of OS updates; not the same quantity as years of support.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Stylus support

iPhone DuoApple Pencil (USB-C), announced for later in 2026
Galaxy S25Not verified
Sources
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 Duo
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Biometric authentication

iPhone DuoTouch ID in the side button
Galaxy S25Not verified
Sources
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Bluetooth version

iPhone DuoNot verified
Galaxy S255.4
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Exact model row, not a family-wide substitution.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cellular modem

iPhone DuoApple C2
Galaxy S25Not verified
Sources
iPhone Duo

Listed in the UK Mobile and Wireless section for model A3720.

Apple UK iPhone Duo technical specifications
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published wired charge test duration

iPhone DuoNot verified
Galaxy S2530 minutes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Around 30 minutes for the stated endpoint, not a comparable 50%-charge time.

Galaxy S25 UK launch — model tables and charging conditions

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published wired charge endpoint

iPhone DuoNot verified
Galaxy S2550%
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Up-to endpoint in around 30 minutes with a 25 W compatible adapter; mode, start-state and screen conditions remain source-specific.

Galaxy S25 UK launch — model tables and charging conditions

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published CPU clock groups

iPhone DuoNot verified
Galaxy S254.47 GHz · 3.5 GHz
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Multiple clock groups, not a sustained all-core clock or benchmark.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published CPU core count

iPhone DuoNot verified
Galaxy S258
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Exact SKU table; core count alone is not performance.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Samsung DeX support

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Exact SKU services table says Yes; display, cable and software setup requirements remain.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Display resolution

iPhone DuoNot verified
Galaxy S252340 × 1080
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Exact model pixel dimensions; FHD+ and QHD+ remain different tiers.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dual eSIM support

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit SIM Slot Type includes Dual eSIM.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Headphone jack

iPhone DuoNot verified
Galaxy S25No
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

Galaxy S25

Earjack is explicitly USB Type-C; this is retained as a derived connector interpretation rather than native analogue-jack support.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

RAM technology

iPhone DuoNot verified
Galaxy S25Not verified
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

The exact SKU table does not identify the LPDDR generation.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published minimum battery endurance cycles

iPhone DuoNot verified
Galaxy S252000 cycles
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Manufacturer eco-design cycles; this retained table does not specify the capacity-retention threshold. No percentage is invented.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Open thickness

iPhone Duo5.2 mm
Galaxy S25Not verified
Sources
Galaxy S25

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 Duo164.6 mm
Galaxy S25Not verified
Sources
Galaxy S25

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 Duo5.4-inch OLED · 1398 × 2034 · 460 ppi · up to 120 Hz
Galaxy S25Not verified
Sources
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Panel technology

iPhone DuoNot verified
Galaxy S25Dynamic AMOLED 2X
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit panel designation, without independent motion or contrast claims.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published professional camera workflows

iPhone Duo0
Galaxy S25Not verified
Sources
iPhone 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 specifications
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated minimum battery capacity

iPhone DuoNot verified
Galaxy S253885 mAh
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

The manufacturer footnote separately identifies this model’s rated/minimum capacity.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear 8K recording maximum

iPhone DuoNot verified
Galaxy S2530 fps
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Camera capture maximum, separate from playback-only 8K60 in Audio and Video.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

User-removable battery

iPhone DuoNot verified
Galaxy S25No
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

The exact table explicitly states Removable No.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Reverse wireless charging

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

Galaxy S25

Explicit support with Qi/accessory limits; may fail below 30% battery or with certain cases/devices and can affect reception.

Galaxy S25 UK launch — model tables and charging conditions

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published security update end date

iPhone DuoNot verified
Galaxy S252032-01-31
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Exact model-specific Valid until date, without calculating a support-start date from it.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Stereo support

iPhone DuoNot verified
Galaxy S25Yes
Sources
iPhone Duo

No source recorded for this side.

Galaxy S25

Explicit stereo support; not a measured audio-quality score.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed streamed video

iPhone Duo26 hours (inner display)
Galaxy S25Not verified
Sources
iPhone 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 specifications
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Typical use

iPhone Duo24 hours
Galaxy S25Not verified
Sources
iPhone 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 specifications
Galaxy S25

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

US specification difference

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.
Galaxy S25Not verified
Sources
Galaxy S25

This UK SKU does not establish an exact US SKU, chipset, radio or warranty configuration.

Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUB

Evidence is missing or conflicting on at least one side. This is not a verified difference.

6 shared fields have the same recorded value.

COMPARE THE DETAILS

Full specifications

All specs81 specificationsiPhone DuoGalaxy S25
254g
162g
Exact UK device mass, not parcel or differently configured mass.
84.1mm
Closed width
70.5mm
Labelled width; larger is not automatically preferable.
11.3mm
Closed thickness
7.2mm
Labelled depth, without an invented camera-bump measurement.
Closed: 117.8 × 84.1 × 11.3 mm; open: 117.8 × 164.6 × 5.2 mm (height × width × thickness)
146.9 × 70.5 × 7.2 mm (height × width × depth)Uses the labelled SKU table HxWxD order, not launch width-first positions.
117.8 mm
146.9 mmLabelled height.
foldable
slabExplicit Touchscreen Bar form.
Colour
Sources
Galaxy S25No source recorded
Night Sky
Not verified
Open width
Sources
Galaxy S25No source recorded
164.6 mm
Not verified
Open thickness
Sources
Galaxy S25No source recorded
5.2 mm
Not verified
7.6″
Inner display size · Inner display when open; outer display is 5.4 inches.
6.2″
Full-rectangle advertised diagonal; rounded corners and camera hole reduce viewable area.
Published peak brightnessManufacturer peak claims use different test conditions.Differs
Sources
3000 nits
Published outdoor peak · Manufacturer claim, not an independent measurement.
2600 nits
Samsung's S25-series FAQ states 2,600 nits; this is a manufacturer peak claim, not an independent measurement.
430 ppi
Inner pixel density
415.68 ppi
Calculated pixel density, not a separate manufacturer measurement.
120Hz
Adaptive ProMotion; refresh depends on content.
120Hz
Up-to adaptive 120 Hz; not a constant refresh rate or response-time result.
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.
6.2-inch Dynamic AMOLED 2X · 2340 × 1080 · adaptive up to 120 HzExact model diagonal and pixel dimensions; shared adaptive-range claim is from the named UK launch table.
Outer display
Sources
Galaxy S25No source recorded
5.4-inch OLED · 1398 × 2034 · 460 ppi · up to 120 Hz
Not verified
Display resolution
Sources
iPhone DuoNo source recorded
Not verified
2340 × 1080Exact model pixel dimensions; FHD+ and QHD+ remain different tiers.
No dedicated lensNo dedicated telephoto module; the 2× mode is a crop.
3×Dedicated telephoto reach · Native optical lens maximum, separate from optical-quality crop reach.
2
3
Named physical camera inventory; optical-quality crops are not extra cameras.
Not verified8K recording is not mentioned.
Yes8K recording · The capture row explicitly lists UHD8K at 30 fps.
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
50 MP main · 12 MP ultra-wide · 10 MP 3× telephotoPhysical lenses are individually identified by the launch table. Cropped optical-quality modes are not extra modules.
2×Manufacturer crop-mode claim; not a separate lens.
2×Main-sensor/crop claim, not an additional native lens.
Outer: 12 MP Center Stage, f/2.2. Inner: under-display FaceTime camera, f/1.8; resolution not published.
12 MP · f/2.2 · autofocusThe separate Front Camera rows identify pixels, aperture and autofocus.
Published professional camera workflows
Sources
Galaxy S25No source recorded
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.
Not verified
YesSensor-shift OIS is stated for the 48 MP Fusion Main (including its 2× mode); the Ultra Wide lists no OIS.
YesThe S25 launch table explicitly attaches OIS to the Wide lens.
120 fps100 and 120 fps are Fusion Main only. Manufacturer recording-mode claim; not an independent quality or sustained-recording test.
Not verifiedThe table lists UHD120 under Slow Motion, not ordinary rear 4K capture. A normal-mode maximum needs additional mode-specific evidence.
60 fpsOuter 12 MP Center Stage camera. The inner under-display FaceTime camera records up to 1080p at 60 fps.
Not verifiedGeneral Video Recording Resolution does not establish the front-camera maximum.
Main-camera aperture control
Sources
Not verified
Fixed f/1.8Aperture is matched to the named Wide lens, not another row or telephoto aperture.
Rear-system optical stabilisation
Sources
iPhone DuoNo source recorded
Not verified
YesExplicit rear-system Yes; not proof every lens has OIS.
Rear camera autofocus
Sources
iPhone DuoNo source recorded
Not verified
YesExplicit rear-system autofocus; no focus-speed score is inferred.
Front camera autofocus
Sources
iPhone DuoNo source recorded
Not verified
YesExplicit front autofocus Yes.
Rear 8K recording maximum
Sources
iPhone DuoNo source recorded
Not verified
30 fpsCamera capture maximum, separate from playback-only 8K60 in Audio and Video.
Claimed video playbackUp-to manufacturer claims. Playback protocols differ.Differs
Sources
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.
29 hoursPublished local-video playback · Up-to manufacturer video estimate; test method and settings differ from Apple and OnePlus, so this does not prove cross-brand mixed-use endurance.
Yes
YesNamed wireless charging support with WPC-compatible equipment, not a guaranteed charging rate.
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.
4000 mAh typical · up to 29 hours local video · up to 50% charge in around 30 minutes with a 25 W adapterTypical capacity, playback and charge endpoint are different manufacturer claims. Adapter power is not maximum handset input or sustained measured power.
Claimed streamed video
Sources
Galaxy S25No source recorded
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.
Not verified
20 minutesApple claim with a separately sold 60W-capable adapter.
30 minutesUp to 50% in around 30 minutes, 25 W adapter and 3 A USB-C cable, starting at 0% with services, features and display off.
25 WCompatible charger and adapter required.
Not verifiedNamed wireless charging generation is not a numeric wattage. No number is inferred from an accessory rating.
Typical use
Sources
Galaxy S25No source recorded
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.
Not verified
Wireless PowerShare
Sources
Not verifiedNot verified for this exact model.
YesExplicit support with Qi/accessory limits; may fail below 30% battery or with certain cases/devices and can affect reception.
Typical battery capacity
Sources
iPhone DuoNo source recorded
Not verified
4000 mAhDirect typical capacity, separate from rated minimum.
Rated minimum battery capacity
Sources
iPhone DuoNo source recorded
Not verified
3885 mAhThe manufacturer footnote separately identifies this model’s rated/minimum capacity.
Published wired charge endpoint
Sources
Not verified
50%Up-to endpoint in around 30 minutes with a 25 W compatible adapter; mode, start-state and screen conditions remain source-specific.
Published wired charge test duration
Sources
Not verified
30 minutesAround 30 minutes for the stated endpoint, not a comparable 50%-charge time.
User-removable battery
Sources
iPhone DuoNo source recorded
Not verified
NoThe exact table explicitly states Removable No.
Published minimum battery endurance cycles
Sources
iPhone DuoNo source recorded
Not verified
2000 cyclesManufacturer eco-design cycles; this retained table does not specify the capacity-retention threshold. No percentage is invented.
Published support term
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
7 yearsPublished security update term · Seven years from first global launch, not seven years from purchase.
No fixed update period published; ships with iOS 27.1
Seven OS generations · seven years of security updates from first global launchMajor-version count and total security duration remain separate; neither is years remaining or hardware lifespan.
iOS 27.1
Android 15 · One UI 7Launch table wording, not a claim about the latest available or installed release.
Promised OS version upgrades
Sources
iPhone DuoNo source recorded
Not verified
7Seven generations of OS updates; not the same quantity as years of support.
Apple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine
Qualcomm Snapdragon 8 Elite for GalaxyUK S25 launch explicitly names Snapdragon 8 Elite for Galaxy. No benchmark is inferred.
RAM and storage configurationConfiguration
Sources
RAM not published; 256 GB storageApple does not publish RAM capacity.
12 GB RAM · 256 GB storageExact selected SKU table; neither 16 GB / 1 TB Ultra nor another capacity is substituted.
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.
UK SM-S931BDBGEUB · 12 GB / 256 GB · nano-SIM + eSIMActual retrieved selected-SKU response, not a guessed order code. Identity does not establish current stock or carrier compatibility.
256 GB
256 GBExplicit internal capacity; available free space changes with software.
Not verifiedNot published by Apple.
12 GBExplicit Memory_(GB), distinct from storage.
IP68Apple controlled test: 6 metres for 30 minutes; resistance is not permanent.
IP68Controlled submersion up to 1.5 m freshwater for 30 minutes; resistance can diminish and is not a permanent waterproof guarantee.
Yes
NoExplicit physical Nano-SIM support.
USB-C · DisplayPort · USB 3 up to 10 Gb/s
USB-C · USB 3.2 Gen 1Exact connector and USB generation. No measured transfer rate, USB 3.2 Gen 2 or supplied cable speed is inferred.
Wi-Fi 7 · Bluetooth 6 · Thread
Wi-Fi 7 · Bluetooth 5.4 · NFCExact SKU connectivity rows. S26 Bluetooth5.4 is not replaced with Plus/Ultra6.0; regulatory/provider/equipment limits apply.
Biometric authentication
Sources
Galaxy S25No source recorded
Touch ID in the side button
Not verified
Announced
Sources
Galaxy S25No source recorded
2026-09-09
Not verified
Pre-orders open
Sources
Galaxy S25No source recorded
2026-10-16
Not verified
Announced availability
Sources
Galaxy S25No source recorded
2026-10-23
Not verified
Apple UK reference price
Sources
Galaxy S25No source recorded
£1,999Announced 256 GB configuration price; not a current retailer offer.
Not verified
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.
Not verifiedThis UK SKU does not establish an exact US SKU, chipset, radio or warranty configuration.
Cellular modem
Sources
Galaxy S25No source recorded
Apple C2Listed in the UK Mobile and Wireless section for model A3720.
Not verified
Stylus support
Sources
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.
Not verified
3.5 mm headphone jack
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
NoEarjack is explicitly USB Type-C; this is retained as a derived connector interpretation rather than native analogue-jack support.
Published CPU core count
Sources
iPhone DuoNo source recorded
Not verified
8Exact SKU table; core count alone is not performance.
Published CPU clock groups
Sources
iPhone DuoNo source recorded
Not verified
4.47 GHz · 3.5 GHzMultiple clock groups, not a sustained all-core clock or benchmark.
Published security update end date
Sources
iPhone DuoNo source recorded
Not verified
2032-01-31Exact model-specific Valid until date, without calculating a support-start date from it.
Panel technology
Sources
iPhone DuoNo source recorded
Not verified
Dynamic AMOLED 2XExplicit panel designation, without independent motion or contrast claims.
Bluetooth version
Sources
iPhone DuoNo source recorded
Not verified
5.4Exact model row, not a family-wide substitution.
eSIM support
Sources
iPhone DuoNo source recorded
Not verified
YesExplicit embedded-SIM and mixed/dual-eSIM arrangements; provider support remains separate.
Dual eSIM support
Sources
iPhone DuoNo source recorded
Not verified
YesExplicit SIM Slot Type includes Dual eSIM.
Stereo support
Sources
iPhone DuoNo source recorded
Not verified
YesExplicit stereo support; not a measured audio-quality score.
Samsung DeX support
Sources
iPhone DuoNo source recorded
Not verified
YesExact SKU services table says Yes; display, cable and software setup requirements remain.
Show unverified (5)Not verified or conflicting for both phones. Kept for completeness; never counted as a difference.
Expandable storage
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
Not verifiedNot verified for this exact model.
RAM technology
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedThe exact SKU table does not identify the LPDDR generation.
Storage technology
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedThe exact SKU table does not identify a UFS version.
Maximum wired charging power
Sources
Not verified
Not verified25 W is the named adapter in the source test; a maximum sustained handset-input value is not established by that requirement.
Front camera optical stabilisation
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedRear-system OIS is not transferred to the front lens.
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

Important verified differences fall outside the scoring model, so no score is shown. Manufacturer battery claims can use different test conditions. Verified specifications remain visible even where a category cannot be scored.

How we calculate scores

Apple iPhone Duo

256 GB · checked 28 Sept 2026

Specifications & verification
Weight254 gManufacturer claim · high confidenceApple
Width84.1 mmManufacturer claim · high confidence

Closed width

Apple
Thickness11.3 mmManufacturer claim · high confidence

Closed thickness

Apple
Display size7.6 inchesManufacturer claim · high confidence

Inner display when open; outer display is 5.4 inches.

Apple
Peak brightness3,000 nitsManufacturer claim · high confidence

Manufacturer claim, not an independent measurement.

Apple
Claimed video playback31 hoursManufacturer claim · high confidence

Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode.

Apple
Claimed 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.

Apple
Published 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.

Apple
RAMNot verified

Not published

Apple
Pixel density430 ppiManufacturer claim · high confidenceApple
Maximum refresh rate120 HzManufacturer claim · high confidence

Adaptive ProMotion; refresh depends on content.

Apple
Native telephoto reach0×Manufacturer claim · high confidence

No dedicated telephoto module; the 2× mode is a crop.

Apple
Claimed optical-quality reach2×Manufacturer claim · high confidence

Manufacturer crop-mode claim; not a separate lens.

Apple
Rear camera modules2Manufacturer claim · high confidenceApple
8K recordingNot verified

Not published

Apple
Manufacturer list price£1,999.00Reference only · not a live offer or current priceApple
All sources4
  1. Apple UK iPhone Duo technical specificationsApple · accessed 9 Sept 2026
  2. Apple US iPhone Duo technical specificationsApple · accessed 9 Sept 2026
  3. Apple UK iPhone Duo, 256 GB, Night SkyApple · accessed 9 Sept 2026
  4. Apple announces iPhone DuoApple · accessed 9 Sept 2026

Samsung Galaxy S25

256 GB · checked 4 Sept 2026

Specifications & verification
Weight162 gManufacturer claim · high confidence

Exact UK device mass, not parcel or differently configured mass.

Samsung
Width70.5 mmManufacturer claim · high confidence

Labelled width; larger is not automatically preferable.

Samsung
Thickness7.2 mmManufacturer claim · high confidence

Labelled depth, without an invented camera-bump measurement.

Samsung
Display size6.2 inchesManufacturer claim · high confidence

Full-rectangle advertised diagonal; rounded corners and camera hole reduce viewable area.

Samsung
Peak brightness2,600 nitsManufacturer claim · medium confidence

Samsung's S25-series FAQ states 2,600 nits; this is a manufacturer peak claim, not an independent measurement.

Samsung UK
Claimed video playback29 hoursManufacturer claim · high confidence

Up-to manufacturer video estimate; test method and settings differ from Apple and OnePlus, so this does not prove cross-brand mixed-use endurance.

Samsung
Claimed charging rate1.67% per minuteCalculated from sources · low confidence

Up to 50% in around 30 minutes, 25 W adapter and 3 A USB-C cable, starting at 0% with services, features and display off. 50 divided by 30 minutes; not a sustained charging rate.

Samsung
Published total support7 yearsManufacturer claim · high confidence

Seven years from first global launch, not seven years from purchase.

Samsung
Wireless chargingYesManufacturer claim · high confidence

Named wireless charging support with WPC-compatible equipment, not a guaranteed charging rate.

Samsung
Reverse wireless chargingYesManufacturer claim · high confidence

Explicit support with Qi/accessory limits; may fail below 30% battery or with certain cases/devices and can affect reception.

Samsung
Headphone jackNoCalculated from sources · medium confidence

Earjack is explicitly USB Type-C; this is retained as a derived connector interpretation rather than native analogue-jack support.

Samsung
Expandable storageNot verified

Not verified

Samsung Business UK
eSIM onlyNoManufacturer claim · high confidence

Explicit physical Nano-SIM support.

Samsung
IP ratingIP68Manufacturer claim · high confidence

Controlled submersion up to 1.5 m freshwater for 30 minutes; resistance can diminish and is not a permanent waterproof guarantee.

Samsung
RAM12 GBManufacturer claim · high confidence

Explicit Memory_(GB), distinct from storage.

Samsung
Pixel density415.68 ppiCalculated from sources · high confidence

Calculated pixel density, not a separate manufacturer measurement.

sqrt(2340² + 1080²) divided by the published 6.2-inch full-rectangle diagonal.

Samsung Business UK
Maximum refresh rate120 HzManufacturer claim · high confidence

Up-to adaptive 120 Hz; not a constant refresh rate or response-time result.

SamsungSamsung
Native telephoto reach3×Manufacturer claim · high confidence

Native optical lens maximum, separate from optical-quality crop reach.

SamsungSamsung
Claimed optical-quality reach2×Manufacturer claim · high confidence

Main-sensor/crop claim, not an additional native lens.

SamsungSamsung
Rear camera modules3Manufacturer claim · high confidence

Named physical camera inventory; optical-quality crops are not extra cameras.

Samsung
8K recordingYesManufacturer claim · high confidence

The capture row explicitly lists UHD8K at 30 fps.

Samsung
Manufacturer list price£859.00Reference only · not a live offer or current priceSamsung Newsroom UK
All sources6
  1. Galaxy S25 256GB — Specifications and Software SupportSamsung Business UK · accessed 3 Sept 2026
  2. Compare Galaxy S25 Series — Display CapabilitiesSamsung UK · accessed 3 Sept 2026
  3. Samsung Galaxy S25 Series Sets the Standard of AI Phone as a True AI CompanionSamsung Newsroom UK · accessed 3 Sept 2026
  4. Galaxy S25 Navy 256 GB — exact UK SKU SM-S931BDBGEUBSamsung · accessed 14 Oct 2026
  5. Galaxy S25 UK launch — model tables and charging conditionsSamsung · accessed 14 Oct 2026
  6. Galaxy S26 Ultra 256 GB Cobalt Violet — exact UK business SKUSamsung · accessed 14 Oct 2026
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