HEADPHONES · YOUR NEXT FACE-OFF

Samsung Galaxy Buds3 FE vs Sennheiser HD 650

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Samsung Galaxy Buds3 FE

SM-R420NZKAEUA · Black · UK

Full product profile Official image

Exact model & source notes

Galaxy Buds3 FE (SM-R420NZKAEUA in black for the UK, SM-R420NZKAXAR in the US) are Samsung's in-ear true wireless earbuds with active noise cancellation, six microphones and Bluetooth 5.4, supplied with three sets of ear tips (S/M/L). Samsung rates them at up to 6 hours of music with ANC on (8.5 hours off) and 24 hours with the case.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHICH SUITS YOU?

Choose the Samsung Galaxy Buds3 FE for

A wireless connection

Choose the Sennheiser HD 650 for

A wired connection

Built from verified specifications that differ. Not a rating or a recommendation.

See the 3 verified differences

THE CONTENDER

Sennheiser HD 650

508825 · titanium-silver · 300 ohm · standard 3 m unbalanced cable

Full product profile Official image

Exact model & source notes

The HD 650 is an open-back, over-ear headphone with a 42 mm dynamic driver rated 10–41,000 Hz (−10 dB) at 300 ohms. It comes with a detachable 3 m 6.35 mm cable and a 3.5 mm adapter; balanced cables are optional extras.

Specifications checked 11 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Samsung Galaxy Buds3 FE UK & US retailers

UK & US price history: no verified listing yet

Sennheiser HD 650 UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

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.

FEATURES SIDE BY SIDE6 topics

Yes and No describe the listed feature. Missing evidence stays unverified.

SELECTED TOPIC

01 / 06

Open-back design

Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Yes

Open-back. Manufacturer specification

Source 1

Choose your must-haves

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

3 verified differences, most decision-relevant first. Missing information stays separate.

Wired / wireless connections

Samsung Galaxy Buds3 FEBluetooth 5.4 (A2DP, AVRCP, HFP); the case charges with a charging cable; no wireless charging

Sennheiser HD 650Wired analogue; detachable 6.35 mm unbalanced cable and included 3.5 mm adapter

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Samsung: 'charge the case using a charging cable'; 'Wireless charging is not supported'; no USB Type-C cable is included, and the case's wired charging port is not named on this page. Galaxy devices on One UI 8.0 or later use the phone's settings; earlier One UI uses the Galaxy Wearable app, which needs Android 11.0 or above with at least 1.5 GB of memory. Samsung Account login is required to set up the earbuds. Samsung's pairing statements conflict (see device_compatibility).

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

Manufacturer specification · Optional 4.4 mm and XLR-4 balanced cables are sold separately.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

Check the exact configuration and source conditions for your use.

Drivers

Samsung Galaxy Buds3 FE1-way speaker (dynamic driver)

Sennheiser HD 65042 mm dynamic transducer with 38 mm diaphragm and aluminium voice coil; acoustic mesh and hand-paired transducers within stated ±1 dB tolerance

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Samsung describes it as a larger speaker than the previous Galaxy Buds FE's; no size is given.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison

Sennheiser HD 650

Manufacturer specification · The driver, diaphragm and voice-coil sizes describe different parts.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

Check whether the diameter describes the complete transducer or only its diaphragm. Different labels and driver sizes do not establish better sound.

Wearing style

Samsung Galaxy Buds3 FEIn-ear, true wireless (ear tips, 3 sets: S/M/L)

Sennheiser HD 650Over-ear (circumaural), open-back dynamic headphones

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Two separate earbuds with a charging case. Samsung lists the earbuds, ear tips (3 sets: S/M/L), the charging case and the Quick Start Guide in the box; no USB Type-C cable is included. The ear tip material is not stated.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (34)

Acoustic design

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Open-back

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Active noise cancellation

Samsung Galaxy Buds3 FEYes

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Active Noise Cancellation (on by default) and Ambient Sound; Samsung's specification table for this model does not list Adaptive ANC or Adaptive Noise Control.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

The reviewed exact manufacturer sources establish open-back dynamic construction but do not explicitly state whether active noise cancellation is present or absent. Acoustic mesh, an absorber or an omitted ANC control does not establish ANC=false. · Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Microphone

In Visual facts

Samsung Galaxy Buds3 FEYes

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Samsung lists 6 microphones in total, with a pre-trained machine learning model that filters noise on calls.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly establish microphone presence or absence for the supplied configuration. Stereo audio conductors and omitted controls are not proof that no microphone exists. · Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Battery life

Samsung Galaxy Buds3 FEMusic playback: earbuds up to 6 hours with ANC on (up to 8.5 hours with ANC off); with the charging case up to 24 hours with ANC on (up to 30 hours with ANC off). Talk time: up to 4 hours per charge and 18 hours with the case, with ANC on or off.

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Samsung's rated figures from the UK specification table. Earbud battery 53 mAh, case 515 mAh (typical). No test conditions for these figures were found on the page.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly give battery life or state that no battery is required for operation. A wired analogue connection is known; the generic disposal wording “battery/rechargeable battery (if applicable)” establishes neither presence nor absence. · Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Nominal impedance

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650300 ohm

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load.

Sennheiser HD 650 — exact UK article and product details

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

Auto Switch

Samsung Galaxy Buds3 FEYes

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Only on Samsung Galaxy Book series with One UI 6.0 or later, Galaxy smartphones and Galaxy Tab with One UI 4.1.1 or later, and Galaxy Watch4 or later, logged in to a Samsung Account.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Battery capacity

Samsung Galaxy Buds3 FEEarbuds 53 mAh (typical); charging case 515 mAh (typical)

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Included and optional cables

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 cables optional

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Included cable length

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 6503 m

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Length of the supplied cable.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Bluetooth audio codecs

Samsung Galaxy Buds3 FEAAC, SBC, SSC (Samsung Seamless Codec)

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Supplied plug configuration

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 6506.35 mm unbalanced plug with included 6.35 mm-to-3.5 mm adapter

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Needs a matching headphone output.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Rated contact pressure

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Approximately 6.0 N ±1.0 N

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Nominal clamping force; individual fit and comfort can differ.

Sennheiser HD 650 — manufacturer specifications

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

Earbud controls

Samsung Galaxy Buds3 FEPinch Control: pinch once to play/pause, twice for the next track, three times for the previous track; pinch and hold (configurable, e.g. ANC or Gemini); swipe up or down the blade for volume

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Voice wake-up ('Hey Google' for Gemini) is off by default and needs One UI 8.0 or later; Bixby Voice Wake-up is also listed.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Device compatibility

Samsung Galaxy Buds3 FESamsung footnote: connecting as Bluetooth Audio is available regardless of the OS; Samsung FAQ: a Samsung Galaxy smartphone running Android 11.0 or later is required to pair

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Both statements are on the same Samsung UK product page and are inconsistent: the feature footnote says 'Connecting Samsung Galaxy Buds as Bluetooth Audio is available regardless of the OS', while the FAQ says 'A Samsung Galaxy smartphone running on Android 11.0 or later is required to pair with Galaxy Buds3 FE.' Neither is chosen; local review should resolve which applies.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Rated total harmonic distortion

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650≤0.05% at 1 kHz, 1 V rms

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Driver diameter

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 65042 mm

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Complete transducer diameter; the diaphragm is 38 mm.

Sennheiser HD 650 — exact UK article and product details

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

Ear pads

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Velour ear pads; replaceable

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Replacement procedure shown in the manual.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Frequency equalisation

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Diffuse-field equalised

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Rated frequency range

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 65010–41,000 Hz (−10 dB)

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · The manual rates 10–41,000 Hz at −10 dB; Sennheiser's UK feature list quotes 12–41,000 Hz without a threshold.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Galaxy AI features

Samsung Galaxy Buds3 FEInterpreter (listening and conversation modes) and Live Translate with compatible Samsung Galaxy devices

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Needs a compatible Samsung Galaxy smartphone and a Samsung Account; interpretation is provided by the phone, not the earbuds; language and feature availability vary.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Supplied 3.5 mm adapter

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Yes

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Manual package contents explicitly includes a 6.35 mm-to-3.5 mm stereo adapter.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Rated long-term input power

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Maximum 500 mW under EN 60-268-7

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Maximum input the headphones can handle, not the amplifier power they need.

Sennheiser HD 650 — manufacturer specifications

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

Static magnetic field at the surface

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 6501.8 mT

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Static magnetic field at the headphone surface.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Operating temperature

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650−10 °C to +55 °C

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Per-app sound settings

Samsung Galaxy Buds3 FEQuick Panel sound settings saved per app (e.g. equaliser on Spotify, 360 Audio on YouTube)

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Available on Samsung Galaxy devices with One UI 7.0 or above.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Samsung Find (Lost Mode)

Samsung Galaxy Buds3 FEYes

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Lost Mode shows the last known location and stops others pairing with the earbuds.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Rated sensitivity

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650103 dB SPL at 1 kHz, 1 V rms

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings.

Sennheiser HD 650 — manufacturer specifications

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

Sensors

Samsung Galaxy Buds3 FEHall sensor, pressure sensor, proximity sensor, touch sensor

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Replaceable parts

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650Detachable cable and replaceable ear pads; headband padding via repair service

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies.

Sennheiser HD 650 — manufacturer specifications

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

Spatial audio

Samsung Galaxy Buds3 FE360 Audio (head tracking is not supported)

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Only available on Samsung Galaxy smartphones and Galaxy Tab devices with One UI 3.1 or later; support varies by application and content. Direct Multi-channel needs One UI 4.1.1 or later.

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Dust, sweat and water resistance

Samsung Galaxy Buds3 FEIP54

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Weight per earbud

Samsung Galaxy Buds3 FE5 g

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification · Each earbud (21.1 x 18.0 x 33.8 mm). The charging case weighs 41.8 g (48.7 x 58.9 x 24.4 mm).

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Dimensions

Samsung Galaxy Buds3 FEEach earbud (H x W x D): 21.1 x 18.0 x 33.8 mm; charging case: 48.7 x 58.9 x 24.4 mm

Sennheiser HD 650Not verified

Sources

Samsung Galaxy Buds3 FE

Manufacturer specification

Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications

Sennheiser HD 650

No source recorded for this side.

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

Weight

Samsung Galaxy Buds3 FENot verified

Sennheiser HD 650260 g

Sources

Samsung Galaxy Buds3 FE

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 650 — manufacturer specifications

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

0 shared fields have the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

Open-back designFor a quiet listening spaceClosed-back designAn enclosed outer earcupDetachable cableUnplug the cable at the headphonesBuilt-in microphoneFor calls and voice chatActive noise cancellationNot the same as a closed back

YOUR CHOICE

Samsung Galaxy Buds3 FE

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 650

Select a feature to check your fit.

Feature matching, not a sound-quality score. The specification table links to the evidence for each feature.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Samsung Galaxy Buds3 FE

What it brings

With ANC off Samsung rates the earbuds at up to 8.5 hours of music per charge, against 6 hours for Galaxy Buds4 and 7 hours for Galaxy Buds4 Pro.
Manufacturer source Manufacturer source Manufacturer source
Three sizes of ear tips (S/M/L) are included, and the case weighs 41.8 g, against 45.1 g for Galaxy Buds4 and 44.3 g for Galaxy Buds4 Pro.
Manufacturer source Manufacturer source Manufacturer source

What to check

The case does not support wireless charging, and no USB-C cable is included.
Manufacturer source
Bluetooth 5.4 with AAC, SBC and SSC only; Samsung's table lists no LE Audio, LC3, SSC-UHQ or adaptive noise control for this model, and the rating is IP54.
Manufacturer source

Sennheiser HD 650

What it brings

Its 42 mm dynamic driver has hand-paired transducers matched within ±1 dB, and the supplied 6.35 mm cable with 3.5 mm adapter fits both common socket sizes. The cable and velour ear pads are replaceable.
Manufacturer source Manufacturer source

What to check

At 300 ohms, check that your amplifier or audio source can drive the headphones properly. The documented connection uses the supplied analogue audio cable and 3.5 mm adapter.
Manufacturer source Manufacturer source
Sennheiser describes the intended use as listening at home with high-quality audio systems. The 4.4 mm balanced and XLR-4 cables are optional accessories.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

37 of 37 specifications Sources in each row

Source-backed specifications for Samsung Galaxy Buds3 FE and Sennheiser HD 650
Specification	Samsung Galaxy Buds3 FE	Sennheiser HD 650

Wearing styleDifferent Sources Samsung Galaxy Buds3 FE Manufacturer specification · Two separate earbuds with a charging case. Samsung lists the earbuds, ear tips (3 sets: S/M/L), the charging case and the Quick Start Guide in the box; no USB Type-C cable is included. The ear tip material is not stated. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	In-ear, true wireless (ear tips, 3 sets: S/M/L)	Over-ear (circumaural), open-back dynamic headphones
Weight per earbud Sources Samsung Galaxy Buds3 FE Manufacturer specification · Each earbud (21.1 x 18.0 x 33.8 mm). The charging case weighs 41.8 g (48.7 x 58.9 x 24.4 mm). Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	5 g	Not provided
Dimensions Sources Samsung Galaxy Buds3 FE Manufacturer specification Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Each earbud (H x W x D): 21.1 x 18.0 x 33.8 mm; charging case: 48.7 x 58.9 x 24.4 mm	Not provided
Dust, sweat and water resistance Sources Samsung Galaxy Buds3 FE Manufacturer specification Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	IP54	Not provided
Weight Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Approximate, without the cable. Sennheiser HD 650 — manufacturer specifications	Not provided	260 g
Acoustic design Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	Not provided	Open-back
Replaceable parts Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies. Sennheiser HD 650 — manufacturer specifications	Not provided	Detachable cable and replaceable ear pads; headband padding via repair service
Ear pads Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Replacement procedure shown in the manual. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	Velour ear pads; replaceable
Rated contact pressure Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Nominal clamping force; individual fit and comfort can differ. Sennheiser HD 650 — manufacturer specifications	Not provided	Approximately 6.0 N ±1.0 N

Wired / wireless connectionsDifferent Sources Samsung Galaxy Buds3 FE Manufacturer specification · Samsung: 'charge the case using a charging cable'; 'Wireless charging is not supported'; no USB Type-C cable is included, and the case's wired charging port is not named on this page. Galaxy devices on One UI 8.0 or later use the phone's settings; earlier One UI uses the Galaxy Wearable app, which needs Android 11.0 or above with at least 1.5 GB of memory. Samsung Account login is required to set up the earbuds. Samsung's pairing statements conflict (see device_compatibility). Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 Manufacturer specification · Optional 4.4 mm and XLR-4 balanced cables are sold separately. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Bluetooth 5.4 (A2DP, AVRCP, HFP); the case charges with a charging cable; no wireless charging	Wired analogue; detachable 6.35 mm unbalanced cable and included 3.5 mm adapter
Device compatibility Sources Samsung Galaxy Buds3 FE Manufacturer specification · Both statements are on the same Samsung UK product page and are inconsistent: the feature footnote says 'Connecting Samsung Galaxy Buds as Bluetooth Audio is available regardless of the OS', while the FAQ says 'A Samsung Galaxy smartphone running on Android 11.0 or later is required to pair with Galaxy Buds3 FE.' Neither is chosen; local review should resolve which applies. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Samsung footnote: connecting as Bluetooth Audio is available regardless of the OS; Samsung FAQ: a Samsung Galaxy smartphone running Android 11.0 or later is required to pair	Not provided
Battery life Sources Samsung Galaxy Buds3 FE Manufacturer specification · Samsung's rated figures from the UK specification table. Earbud battery 53 mAh, case 515 mAh (typical). No test conditions for these figures were found on the page. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 The reviewed exact manufacturer sources do not explicitly give battery life or state that no battery is required for operation. A wired analogue connection is known; the generic disposal wording “battery/rechargeable battery (if applicable)” establishes neither presence nor absence. · Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Music playback: earbuds up to 6 hours with ANC on (up to 8.5 hours with ANC off); with the charging case up to 24 hours with ANC on (up to 30 hours with ANC off). Talk time: up to 4 hours per charge and 18 hours with the case, with ANC on or off.	Not listed by the manufacturer
Battery capacity Sources Samsung Galaxy Buds3 FE Manufacturer specification Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Earbuds 53 mAh (typical); charging case 515 mAh (typical)	Not provided
Bluetooth audio codecs Sources Samsung Galaxy Buds3 FE Manufacturer specification Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	AAC, SBC, SSC (Samsung Seamless Codec)	Not provided
Auto Switch Sources Samsung Galaxy Buds3 FE Manufacturer specification · Only on Samsung Galaxy Book series with One UI 6.0 or later, Galaxy smartphones and Galaxy Tab with One UI 4.1.1 or later, and Galaxy Watch4 or later, logged in to a Samsung Account. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Yes	Not provided
Included cable length Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Length of the supplied cable. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	3 m
Supplied plug configuration Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Needs a matching headphone output. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	6.35 mm unbalanced plug with included 6.35 mm-to-3.5 mm adapter
Included and optional cables Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 cables optional

DriversDifferent Sources Samsung Galaxy Buds3 FE Manufacturer specification · Samsung describes it as a larger speaker than the previous Galaxy Buds FE's; no size is given. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Sennheiser HD 650 Manufacturer specification · The driver, diaphragm and voice-coil sizes describe different parts. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	1-way speaker (dynamic driver)	42 mm dynamic transducer with 38 mm diaphragm and aluminium voice coil; acoustic mesh and hand-paired transducers within stated ±1 dB tolerance
Spatial audio Sources Samsung Galaxy Buds3 FE Manufacturer specification · Only available on Samsung Galaxy smartphones and Galaxy Tab devices with One UI 3.1 or later; support varies by application and content. Direct Multi-channel needs One UI 4.1.1 or later. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	360 Audio (head tracking is not supported)	Not provided
Per-app sound settings Sources Samsung Galaxy Buds3 FE Manufacturer specification · Available on Samsung Galaxy devices with One UI 7.0 or above. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Quick Panel sound settings saved per app (e.g. equaliser on Spotify, 360 Audio on YouTube)	Not provided
Nominal impedance Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load. Sennheiser HD 650 — exact UK article and product details	Not provided	300 ohm
Rated frequency range Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · The manual rates 10–41,000 Hz at −10 dB; Sennheiser's UK feature list quotes 12–41,000 Hz without a threshold. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	10–41,000 Hz (−10 dB)
Rated sensitivity Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings. Sennheiser HD 650 — manufacturer specifications	Not provided	103 dB SPL at 1 kHz, 1 V rms
Rated long-term input power Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Maximum input the headphones can handle, not the amplifier power they need. Sennheiser HD 650 — manufacturer specifications	Not provided	Maximum 500 mW under EN 60-268-7
Frequency equalisation Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	Not provided	Diffuse-field equalised
Rated total harmonic distortion Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	≤0.05% at 1 kHz, 1 V rms
Driver diameter Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Complete transducer diameter; the diaphragm is 38 mm. Sennheiser HD 650 — exact UK article and product details	Not provided	42 mm

Microphone Sources Samsung Galaxy Buds3 FE Manufacturer specification · Samsung lists 6 microphones in total, with a pre-trained machine learning model that filters noise on calls. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 The reviewed exact manufacturer sources do not explicitly establish microphone presence or absence for the supplied configuration. Stereo audio conductors and omitted controls are not proof that no microphone exists. · Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Yes	Not listed by the manufacturer
Active noise cancellation Sources Samsung Galaxy Buds3 FE Manufacturer specification · Active Noise Cancellation (on by default) and Ambient Sound; Samsung's specification table for this model does not list Adaptive ANC or Adaptive Noise Control. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 The reviewed exact manufacturer sources establish open-back dynamic construction but do not explicitly state whether active noise cancellation is present or absent. Acoustic mesh, an absorber or an omitted ANC control does not establish ANC=false. · Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Yes	Not listed by the manufacturer

Sensors Sources Samsung Galaxy Buds3 FE Manufacturer specification Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Hall sensor, pressure sensor, proximity sensor, touch sensor	Not provided
Galaxy AI features Sources Samsung Galaxy Buds3 FE Manufacturer specification · Needs a compatible Samsung Galaxy smartphone and a Samsung Account; interpretation is provided by the phone, not the earbuds; language and feature availability vary. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Interpreter (listening and conversation modes) and Live Translate with compatible Samsung Galaxy devices	Not provided
Earbud controls Sources Samsung Galaxy Buds3 FE Manufacturer specification · Voice wake-up ('Hey Google' for Gemini) is off by default and needs One UI 8.0 or later; Bixby Voice Wake-up is also listed. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Pinch Control: pinch once to play/pause, twice for the next track, three times for the previous track; pinch and hold (configurable, e.g. ANC or Gemini); swipe up or down the blade for volume	Not provided
Samsung Find (Lost Mode) Sources Samsung Galaxy Buds3 FE Manufacturer specification · Lost Mode shows the last known location and stops others pairing with the earbuds. Samsung UK — Galaxy Buds3 FE, Black (SM-R420NZKAEUA): product page and specifications Sennheiser HD 650 No source recorded.	Yes	Not provided

Supplied 3.5 mm adapter Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Manual package contents explicitly includes a 6.35 mm-to-3.5 mm stereo adapter. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	Yes

Static magnetic field at the surface Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification · Static magnetic field at the headphone surface. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	1.8 mT
Operating temperature Sources Samsung Galaxy Buds3 FE No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	Not provided	−10 °C to +55 °C

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.