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Apple iPhone SE (2nd generation) vs Samsung Galaxy S21 5G

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Product A: Apple

iPhone SE (2nd generation)

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B

Product B: Samsung

Galaxy S21 5G

81 of 162 known

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All 162 fields

Every value links to where we found it.

Only differences

AApple iPhone SE (2nd generation)

BSamsung Galaxy S21 5G

General

5 of 11 differ

Series

iPhone SE4Press releaseapple.com/newsroom/2020/04/iphone-se-a-powerful-new-smartphone-in-a-popular-designRead 5 October 2026Exact maker model family.

Galaxy S2Maker product pagesamsung.com/uk/support/model/SM-G991BZADEUARead 5 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

A22752Maker product pagesupport.apple.com/en-gb/108044Read 5 October 2026Exact iPhone SE (2nd generation) entry. A2275 identifies represented US hardware. Other-region radio and SIM variants excluded.

SM-G991B/DS2Maker product pagesamsung.com/uk/support/model/SM-G991BZADEUARead 5 October 2026Exact UK SKU and covered native EU manual identifier SM-G991B/DS.

GTIN / EAN

Not available

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

15 April 20204Press releaseapple.com/newsroom/2020/04/iphone-se-a-powerful-new-smartphone-in-a-popular-designRead 5 October 2026Exact maker announcement date.

14 January 20213Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Status

Not available

Not available

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Apple iPhone SE (1st generation)7Reviewtechradar.com/reviews/iphone-seRead 23 October 2026TechRadar's review says the iPhone SE 2020 follows on from its predecessor and compares it with the original iPhone SE.8Reviewtechradar.com/news/the-history-of-the-iphone-seRead 23 October 2026TechRadar's iPhone SE history says Apple brought back the SE in 2020 as the second generation and calls the first generation its predecessor.

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Apple iPhone SE (3rd generation)9Reviewtomsguide.com/reviews/iphone-se-2022Read 23 October 2026Tom's Guide's iPhone SE (2022) review calls the iPhone SE (2020) the previous iPhone SE and compares the new model's price and battery life with it.10Press article9to5mac.com/2022/03/08/apple-unveils-iphone-se-3-with-a15-chip-same-home-button-designRead 23 October 20269to5Mac's launch report says the new iPhone SE has the same design as the previous-generation iPhone SE and costs $30 more than the second-generation model.

Samsung Galaxy S229Reviewgsmarena.com/samsung_galaxy_s22-review-2396p2.phpRead 23 October 2026GSMArena's review of the Galaxy S22 calls the Galaxy S21 its predecessor.

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US2Maker product pagesupport.apple.com/en-gb/108044Read 5 October 2026Reference market matches exact model radio/SIM and bundle source.

GB, EU2Maker product pagesamsung.com/uk/support/model/SM-G991BZADEUARead 5 October 2026UK/EU reference hardware and RAM/storage only. Other regional configurations excluded.

ColoursiThe maker's own colour names

Black, White, (PRODUCT)RED1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Finish section. Published current finish list, including any later colour additions.

Phantom Violet, Phantom Grey, Phantom Pink, Phantom White3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Form factor

Bar1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Complete model diagram shows a non-folding handset.

Bar1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

OS support period (claimed)iYears of OS updates promised by the maker. Do not convert a number of Android generations into years, or mix an EU minimum counted from end of sale with a launch-based promise.

Not available

Not available

Security support period (claimed)iYears of security updates promised by the maker. State when the period starts in the source note. A regulatory minimum counted from end of market placement is a different basis.

Not available

5years5Press releasenews.samsung.com/us/samsung-galaxy-os-upgrade-one-ui-android-unpacked-2022Read 5 October 2026February 2022 policy expressly includes S21 and S21+ in up to five years of security updates. Starting basis unstated. OS generations are not converted to years.

Security updates untiliPublished end date of security support for the exact model. Do not calculate a date from a rounded number of years.

Not available

Not available

Body

10 of 16 differ

HeightiBody height in portrait orientation. Foldables use the unfolded body.

138.4mm1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Size and Weight section. Explicit maker metric body dimension.

151.7mm1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

WidthiBody width in portrait orientation.

67.3mm1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Size and Weight section. Explicit maker metric body dimension.

71.2mm1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Thickness

7.3mm1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Size and Weight section. Explicit maker metric body dimension.

7.9mm1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Thickness with camera bump

Not available

Not available

Folded dimensions

Not available

Not available

WeightiHandset weight without accessories. Colour and material differences belong in variants.

148g(5.2 oz)1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Size and Weight section. Handset without accessories.

169g(6 oz)1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Frame

Aluminium2Maker product pagesupport.apple.com/en-gb/108044Read 5 October 2026Identify your iPhone model, exact iPhone SE (2nd generation) entry explicitly identifies the external anodised aluminium band.

Not available

Front

Glass2Maker product pagesupport.apple.com/en-gb/108044Read 5 October 2026Exact model identity description explicitly says the glass front is flat with curved edges.

Not available

BackiMaterial of the back cover as the maker names it. Aluminium is a metal back cover, as on a unibody. Silicone is a back the maker calls silicone, even with a leather or fabric look. A mixed back, such as metal with a glass insert, is Other.

Glass2Maker product pagesupport.apple.com/en-gb/108044Read 5 October 2026Identify your iPhone model, exact iPhone SE (2nd generation) entry explicitly identifies the glass back. This is the handset material, not its protective case.

Plastic6Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026Own model case section, no sibling back-cover inheritance.

Dust and water rating

IP671Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Splash, Water and Dust Resistant section. IEC 60529 laboratory rating.

IP683Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Water resistance depth

1m1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact model maximum laboratory depth. Resistance is not permanent.

1.5m3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026IP68 laboratory scope up to 1.5 m freshwater for 30 minutes. Not beach or pool use.

Water resistance time

30min1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact model maximum laboratory test time.

30min3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026Same freshwater laboratory scope.

MIL-STD-810

Not available

Not available

SIM capacityiPhysical nano-SIM slots and maximum simultaneously active eSIMs. These counts are alternatives and must not be added to infer total active subscriptions.

Nano-SIMs1Active eSIM capacity1eSIM onlyNo1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026SIM Card section. One nano-SIM plus eSIM. Maximum two active subscriptions, not added slot/profile counts. Exact US model.

Nano-SIMs2eSIM onlyNo1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Two physical nano-SIM positions. Embedded SIM presence is explicit, but maximum simultaneous active eSIM count is unstated and omitted.

Stylus

Not available

Not available

Stylus name

Not available

Not available

Display

11 of 24 differ

Screen sizeiMaker diagonal for the main display as a full rectangle. Rounded corners and cutouts reduce the viewable area.

4.7in(11.9 cm)1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Display heading gives marketed diagonal. Rounded corners reduce viewable area where present.

6.2in(15.7 cm)1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Resolution

750 × 1334px1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Display section. Portrait orientation.

1080 × 2400px1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Pixel density

325.6ppi=CalculatedFrom Screen size and Resolution

424.5ppi=CalculatedFrom Screen size and Resolution

Aspect ratio

Not available

Not available

Display type

LCD (IPS)1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Display section expressly states LCD with IPS technology.

OLED1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Display type (as published)

Retina HD display1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Display section. Maker display name.

Dynamic AMOLED 2X1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Max refresh rateiHighest stated display refresh rate. Game-only or app-specific modes must be identified in the source note.

Not available

120Hz3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Min refresh rateiLowest stated adaptive display refresh rate. A variable refresh display does not itself prove an LTPO backplane.

Not available

48Hz3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Touch sampling rateiStandard touch sampling rate the maker states. A figure the maker ties to a game, boost or instant mode goes in the instant field. When the maker names no mode, the figure is stored here and the source note quotes the wording.

Not available

Not available

Instant touch samplingiHighest touch sampling rate the maker states for a game, boost or instant mode.

Not available

Not available

Display brightness (typical, claimed)iMaker stated typical brightness, not a reviewer measurement or automatic outdoor mode. On a foldable, the main inner screen.

625nits1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Display section. Maximum typical brightness.

Not available

Outdoor brightness (claimed)iMaker stated outdoor or high-brightness-mode value. A peak outdoor claim need not be full-screen sustained brightness.

Not available

Not available

Peak display brightness (claimed)iManufacturer-stated peak brightness. Store HDR, window size and operating mode only as stated in the source note. Outdoor/HBM claims use the separate field. On a foldable, the main inner screen.

Not available

Not available

Minimum brightness

Not available

Not available

Colour depth per channeliBits for each RGB colour channel, not total bits per pixel. A 24-bit RGB pixel means 8 bits per channel. No native-versus-dithered assumption.

Not available

Not available

DCI-P3 coverage

Not available

Not available

HDR playback formatsiHDR formats the phone can display or play back. Recorded video HDR formats use the separate video field.

Dolby Vision, HDR10, HLG1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Video Playback section. Explicit formats, not recording claims.

HDR10+3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

PWM dimming frequency

Not available

Not available

Always-on display

Not available

Yes7Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Exact Always On Display subsection printed page 125.

Front camera cutout

None1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact model front diagram.

Punch hole3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Cover screen sizeiThe outer screen of a foldable, or a second screen on the back of a phone, such as on the Xiaomi 17 Pro Max.

Not available

Not available

Cover screen resolutioniWidth and height as the screen stands when the closed phone, or the phone with a rear screen, is held upright. Some makers print the long side first, such as Motorola's 1272 x 1080 for a screen that is 1080 px wide.

Not available

Not available

Cover screen refresh rate

Not available

Not available

Cover screen type

Not available

Not available

Platform

8 of 10 differ

OS at launch

iOS 134Press releaseapple.com/newsroom/2020/04/iphone-se-a-powerful-new-smartphone-in-a-popular-designRead 5 October 2026Exact launch announcement identifies this OS. Current spec OS text is not used as launch evidence.

Android 113Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Software

Not available

One UI 3.16Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026Own software/header identifies One UI 3.1. Review Wi-Fi 6E and S Pen assertions are not transferred.

Latest stable OS (verified)iLatest stable OS explicitly verified for the exact model on the source accessed date. A downloadable manual, beta, or launch specification does not prove a stable update rollout.

Not available

Not available

Chipset

Apple A13 Bionic1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Chip section. Exact installed chipset.

Exynos 21003Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Process

Not available

5nm3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

CPU cores

61Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Chip section. Explicit CPU count.

81Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

CPU configurationiCPU core counts, names and maximum clocks for the exact chipset configuration. Do not copy clocks from another regional chip or generic faster chip edition.

AApple iPhone SE (2nd generation)

Count	Core
2	Performance
4	Efficiency

Source1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Chip section. Explicit counts, no unproved clocks.

BSamsung Galaxy S21 5G

Not available

Max CPU clock

Not available

Not available

GPU

Apple 4-core GPU1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Chip section. Explicit installed GPU core count.

Mali-G78 MP146Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026

NPU performance

5TOPS4Press releaseapple.com/newsroom/2020/04/iphone-se-a-powerful-new-smartphone-in-a-popular-designRead 5 October 2026Exact model/family launch explicitly states the Neural Engine completes 5 trillion operations per second. CPU accelerator throughput is separate and not stored here.

Not available

Memory

5 of 6 differ

RAM

3GB6Press articlemacrumors.com/2022/03/09/iphone-se-3-has-4gb-ramRead 5 October 2026Exact model memory capacity from Xcode device metadata reporting. 2022 report explicitly compares third-generation 4GB with previous second-generation 3GB. Physical capacity, no virtual expansion or storage-interface inference.

8GB1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

RAM typeiActual installed memory technology published for the phone. A chipset supported-memory list does not prove which type this device uses.

Not available

LPDDR53Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026Explicit installed LPDDR5 in UK 8 GB configurations.

Storage (nominal)iManufacturer nominal capacity before formatting, not available space. Published TB values use decimal SI conversion, 1 TB = 1000 GB. Literal maker GB values stay as published.

64, 128, 256GB1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Capacity section. Nominal marketed decimal GB, before formatting.

128GB1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Storage type

Not available

UFS 3.16Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026Installed 128 GB UFS 3.1 in exact Exynos 8/128 reference.

Memory card

Not available

None6Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026

Max card size

Not available

Not available

Rear cameras

11 of 14 differ

Physical rear camerasiOne row per physical imaging camera. Sensor crops, optical-quality zoom modes, autofocus laser and depth scanners do not add photographic lenses. A colour or multispectral sensor is not a camera row, even when the maker gives it a megapixel figure. A depth camera with its own megapixel figure, such as a 2 MP depth camera, is a row with the depth role. A ToF or lidar scanner is not a row.

AApple iPhone SE (2nd generation)

Role	Resolution (MP)	Aperture (f/)	OIS
Main	12	1.8	Yes

Source1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Camera section. Physical imaging cameras only. Exact lens apertures, physical optical zoom and OIS stated. Focal lengths and autofocus subtype omitted where unproved.

BSamsung Galaxy S21 5G

Role	Resolution (MP)	Aperture (f/)	Pixel size (µm)	Autofocus	OIS	Field of view
Main	12	1.8	1.8	Dual Pixel PDAF	Yes	79°
Ultrawide	12	2.2	1.4	Fixed	Not available	120°
Telephoto	64	2	0.8	PDAF	Yes	76°

Source3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026Exact physical three-lens table. Telephoto Hybrid Optic 3X includes cropping and is not stored as physical optical magnification. FF means fixed focus on the ultrawide.

Number of rear cameras

1=CalculatedFrom Physical rear cameras

3=CalculatedFrom Physical rear cameras

Main camera

12MP=CalculatedFrom Physical rear cameras

12MP=CalculatedFrom Physical rear cameras

Longest physical-lens optical zoomiLargest optical zoom factor of a physical telephoto lens. Optical-quality sensor crops and advertised zoom ranges are excluded.

Not available

Not available

Maximum photo digital zoomiHighest stated digital zoom for photos. Video zoom can have a different limit. A total zoom factor such as Up to 100x counts, also when the maker adds AI processing to it.

5×1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Camera section. Maximum photo digital zoom, not video zoom or zoom-out range.

30×1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Flash

LED True Tone flash with Slow Sync1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Camera section. As published.

Rear flash1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Camera features

Sapphire crystal lens cover1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Camera section. Maker-named photographic features.

Not available

Maximum rear video rate per resolutioniHighest stated capture frame rate at each resolution, including slow-motion modes. Lens restrictions and cloud-processed output must be named in the source note.

AApple iPhone SE (2nd generation)

Width (px)	Height (px)	Highest capture rate (fps)
3840	2160	60
1920	1080	240
1280	720	30

Source1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Video Recording section. Highest capture rates include documented 1080p slow motion.

BSamsung Galaxy S21 5G

Width (px)	Height (px)	Highest capture rate (fps)
7680	4320	24
1920	1080	240

Source1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Maker-published rear recording maximum and advertised slow-motion mode. Slow-motion sensor-native versus interpolated capture and individual lens scope are unstated. Standalone captured slow-motion maximum omitted. HD960 output omitted. 8K60 playback is not recording.

Max video resolution

3840 × 2160px=CalculatedFrom Maximum rear video rate per resolution

7680 × 4320px=CalculatedFrom Maximum rear video rate per resolution

Recorded video HDR formatsiHDR formats explicitly supported for recording. Display playback support does not establish camera recording support.

Not available

HDR10+7Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Camera setting printed page 64 explicitly HDR10+ recording, distinct from playback formats.

Log recording

Not available

Not available

Video recording codecsiCodecs explicitly documented for recorded video. Excludes playback-only codecs and container names such as MP4 and MKV.

HEVC, H.2641Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Video Recording section explicitly names recording codecs.

HEVC8Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Printed page 64 explicitly HEVC video recording. Slow and super-slow motion cannot use HEVC.

Video stabilisation

EIS, OIS1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Video Recording section. Cinematic video stabilisation plus optical image stabilisation.

OIS, EIS7Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Printed page 64 video anti-shake. Main and telephoto OIS separately proved by own physical lens table.

Maximum slow-motion capture rateiCaptured frames per second, not the playback rate. Recording resolution and supported camera belong in the source note.

240fps1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Video Recording section. Rear 1080p slow-motion capture maximum.

Not available

Front camera

3 of 3 differ

Front camerasiOne row per physical front imaging camera. Depth or face authentication components are not additional selfie cameras.

AApple iPhone SE (2nd generation)

Role	Resolution (MP)	Aperture (f/)
Main	7	2.2

Source1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026TrueDepth/Front Camera section. One physical selfie imaging camera, excluding authentication depth hardware. Generic focus type not guessed.

BSamsung Galaxy S21 5G

Role	Resolution (MP)	Aperture (f/)	Pixel size (µm)	Autofocus	Field of view
Main	10	2.2	1.22	Dual Pixel PDAF	80°

Source1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact API front 10 MP, f/2.2 and autofocus Yes. API does not name its autofocus system. Dual Pixel AF, FOV and pixel pitch are independently explicit in this model's UK launch table.3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Maximum front video rate per resolutioniHighest stated front-camera frame rate at each resolution, including slow motion where documented.

AApple iPhone SE (2nd generation)

Width (px)	Height (px)	Highest capture rate (fps)
1920	1080	30

Source1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact TrueDepth/Front Camera section. Highest capture rates include documented 1080p slow motion only when stated.

BSamsung Galaxy S21 5G

Not available

Front autofocus

Not available

Yes=CalculatedFrom Front cameras

Audio

3 of 4 differ

Stereo speakers

Not available

Yes1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

3.5 mm jack

No1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Complete External Buttons and Connectors diagram shows Lightning and no 3.5 mm socket.

No1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact maker earjack row. USB Type-C earjack is distinct from a physical 3.5 mm socket.

Audio features

Not available

Dolby Atmos8Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Dolby Atmos section printed page 120.

MicrophonesiPhysical microphones in the phone. Noise reduction channel count does not always establish microphone count.

Not available

38Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Complete own-model device layout printed 14 shows top, rear and bottom microphones.

Network

6 of 10 differ

Network

GSM, HSPA, LTE, CDMA1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact A2275 Mobile/Cellular and Wireless section. Explicit technologies only.

GSM, UMTS, LTE, 5G1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026GSM, LTE and 5G explicit. The WCDMA/UMTS band list establishes UMTS. HSPA is not inferred.

2G bandsiExact model radio bands. State model and region. Do not substitute a worldwide union for one regional model.

GSM 850, GSM 900, GSM 1800, GSM 19001Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact model GSM/EDGE MHz ranges.

GSM850, GSM900, DCS1800, PCS19001Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

3G bandsiExact model UMTS/WCDMA/HSPA bands or published MHz ranges. State which notation the source uses.

850, 900, 1700/2100, 1900, 21001Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact model UMTS/HSPA MHz ranges, not band IDs.

B1(2100), B2(1900), B4(AWS), B5(850), B8(900)1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Manufacturer band identifiers with printed frequency/AWS qualifiers, not individual channel frequencies.

4G bandsiExact model LTE bands, not channel frequencies or aggregate world coverage.

1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 29, 30, 66, 71, 34, 38, 39, 40, 41, 42, 46, 481Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact A2275 LTE band list. Other regional models excluded.

B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B32(1500), B66(AWS-3), B38(2600), B39(1900), B40(2300), B41(2500)1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Manufacturer band identifiers with printed frequency/AWS qualifiers.

5G bandsiExact model 5G NR bands. A union of sub-6 and mmWave models is not evidence that every variant supports both.

Not available

N1(2100), N3(1800), N5(850), N7(2600), N8(900), N20(800), N28(700), N66(AWS-3), N38(2600), N40(2300), N41(2500), N77(3700), N78(3500)1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Manufacturer Sub6 band identifiers with printed frequency/AWS qualifiers. No mmWave absence inferred.

5G modes

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5G mmWave

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Maximum modem download rateiTheoretical maker-published device/modem rate. Name the radio technology, aggregation and carrier conditions in the source note. Chip capability alone does not establish device support.

Not available

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Satellite

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Wi-Fi calling

Yes1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Audio Calling section. Carrier-dependent Wi-Fi calling.

Not available

Connectivity

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Wi-Fi

Wi-Fi 61Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Mobile/Cellular and Wireless section.

Wi-Fi 61Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact ax 2.4/5 GHz table supports Wi-Fi 6. Review Wi-Fi 6E claims are excluded.

Wi-Fi bands

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2.4 GHz, 5 GHz1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Bluetooth

5.01Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Mobile/Cellular and Wireless section.

5.01Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Bluetooth audio codecsiWireless audio codecs explicitly supported by the phone. Local audio file formats and codecs supported only by the chipset are excluded.

Not available

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NFC

Yes1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Mobile/Cellular and Wireless section. NFC reader mode.

Yes1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Ultra-wideband

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Positioning

GPS1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Location section. Only explicitly named satellite systems. GPS/GNSS does not establish unnamed constellations.

GPS, Glonass, Beidou, Galileo1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Dual-frequency GNSSiMultiple GNSS signal frequencies expressly documented by the maker, not a count of satellite constellations.

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Connector

Lightning1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026External Buttons and Connectors section.

USB-C1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

USB data standardiUSB data protocol/speed, distinct from the USB-C connector shape, cable rating and charging capability.

Not available

USB 3.2 Gen 11Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Video out over USBiWired external display output over the physical port. Casting or wireless desktop mode does not establish wired video support.

Yes1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Video Playback section. Wired mirroring/output up to 1080p through Lightning Digital AV/VGA adapters, sold separately.

Yes3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026Explicit wired DisplayPort over USB-C with HDMI adapter, up to 4K60.

IR blaster

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FM radio

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Features and sensors

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FingerprintiUnder-display, type not stated is for a maker that says in-display or under-display but not optical or ultrasonic.

Not available

Ultrasonic, under-display3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Face unlockiYes, type not stated is for a maker that names face unlock or facial recognition but not 2D or 3D.

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Sensors

Touch ID fingerprint sensor, Barometer, Three-axis gyro, Accelerometer, Proximity sensor, Ambient light sensor1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Sensors section. Exact published list. Touch ID is in the Home button. The current fingerprint enum cannot represent that position.

Accelerometer, Barometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Extra buttonsiAdditional physical controls beyond ordinary power and volume buttons. On-screen navigation buttons are excluded.

Ring/Silent switch, Home button1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026External Buttons and Connectors section. Extra controls beyond ordinary side and volume buttons.

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Haptic motor

Taptic Engine1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Environmental section expressly identifies Taptic Engine.

Not available

Battery and charging

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Rated battery capacityiRated/minimum manufacturer capacity when available. Multi-cell pack-equivalent mAh must be explicitly published and identified in the source note. Regional hardware must match.

Not available

3,880mAh3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026Explicit rated minimum for this model, separate from typical capacity.

Battery capacity (typical)iManufacturer typical capacity, kept separate from rated/minimum capacity. For series cells, identify any explicitly published pack-equivalent figure.

Not available

4,000mAh1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Rated battery energyiRated pack energy in watt-hours. Do not calculate it from rounded voltage or mAh. Typical energy, when different, belongs in the source note.

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Battery type

Li-ion1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Power and Battery section. Built-in rechargeable lithium-ion battery.

Li-ion6Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026

Claimed battery lifeiMaker runtime claim for a named use case. Identify up-to/at-least wording, regional battery hardware and test conditions in the source note.

AApple iPhone SE (2nd generation)

Use case	Hours (h)
Video playback	13
Video streaming	8
Audio playback	40

Source1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Power and Battery section. Up-to maker runtimes for this exact model, dependent on usage and configuration.

BSamsung Galaxy S21 5G

Use case	Hours (h)
Video playback	20
Audio playback	68
Talk time	33

Source1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Up-to wireless video and wireless audio playback, plus 4G LTE talk time.

Maximum wired charging power (claimed)iManufacturer-stated handset charging input maximum. An adapter rating, power needed to achieve maximum speed, common-charger requirement or reviewer peak draw does not establish this value.

Not available

25W6Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026Own power-consumption section explicitly handset maximum 25 W.

Wired charging standards

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USB Power Delivery 3.0 PPS, AFC, Quick Charge 2.03Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Charge 0 to 50% (claimed)iManufacturer time to 50% from the stated starting level. A 55% or 75% claim is not interchangeable. Charger, cable and conditions belong in the source note.

30min1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Power and Battery section. Up to 50% in around 30 minutes with separately sold 18 W adapter or higher. Adapter output is not maximum handset input.

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Charge 0 to 100% (claimed)iManufacturer full-charge claim. A review measurement uses measured_charge_time_min instead.

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Wireless charging

Yes1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Power and Battery section. Express wireless/Qi support.

Yes3Press releasenews.samsung.com/uk/make-every-day-epic-with-samsung-galaxy-s21-5g-and-galaxy-s21-5gRead 5 October 2026

Wireless charging power

Not available

15W6Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026Own power-consumption section explicitly wireless maximum 15 W.

Wireless standardsiDevice wireless charging standard or qualification. Qi2 Ready needs a compatible magnetic case and does not mean built-in handset magnets.

Qi1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Power and Battery section. Only explicitly named standards.

Not available

Built-in alignment magnetsiTrue only for alignment magnets built into the handset. A magnetic case or accessory does not make this true.

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Reverse wireless output poweriPhone output power while charging another device wirelessly, not its wireless input rating.

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Reverse wired

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Charger in boxiWhether a mains charging adapter is included in the exact regional retail bundle. A USB cable alone is not a charger.

No1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026In the Box and Power and Battery sections. Current maker bundle excludes mains adapter.

No6Reviewnotebookcheck.net/Samsung-Galaxy-S21-smartphone-review-The-most-affordable-high-end-Galaxy.522690.0.htmlRead 5 October 2026Own European review standard box excludes charger.

Included adapter rated poweriRated power of the included adapter, distinct from the phone maximum charging input.

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Measured

None of 9 known

Geekbench single-coreiReviewer CPU single-core result. Geekbench version, tested configuration and modes belong in the source note. Do not combine versions.

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Geekbench multi-coreiReviewer CPU multi-core result. Geekbench version and tested configuration belong in the source note.

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3DMark Wild Life ExtremeiReviewer Wild Life Extreme score. Unlimited, Original, Solar Bay, stress-test stability and frame rates are different measurements. Version and run/loop conditions belong in the source note.

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AnTuTuiReviewer AnTuTu total score. Test version, operating system and tested RAM/storage belong in the source note. Cross-version and cross-OS scores are not directly comparable.

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Display brightness (measured)iReviewer brightness result. Window size, manual/auto or HDR mode and test method belong in the source note. Not automatically a sustained full-screen peak. On a foldable, the main inner screen.

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PWM dimming (measured)iMeasured by a reviewer, not claimed by the maker

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Mixed-use battery life (measured)iReviewer mixed-use active endurance. Identify the test method. Continuous web browsing or video-only tests cannot populate this field.

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Full charge time (measured)iReviewer time to a full charge, with start/end percentage and charger identified. A 15/30-minute percentage result is not a full-charge time.

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Loudspeaker loudness (measured)iReviewer integrated loudness in LUFS. Less negative numbers mean louder output. This is not sound pressure level in dB.

Not available

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EU label and regulatory

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EU energy class

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Battery endurance per cycle (EU test)iStandardized EU endurance test result for the exact registered model. Preserve only the precision the source publishes. This is not a normal mixed-use or video-playback runtime.

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Battery endurance in cycles (EU test)iMinimum standardized charge cycles before the specified remaining capacity threshold. Notes retain greater-than or at-least qualifiers. EPREL prints this value in hundreds, so 10 there is stored as 1000.

Not available

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Drop resistance class

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Repairability class

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SAR head (US)iHighest published head SAR under the US 1 g tissue method for the exact model. Record separation and conditions when stated.

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SAR body (US)iHighest published body SAR under the US 1 g tissue method. Do not substitute the limb result or EU 10 g result.

Not available

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SAR head (EU)iHighest published head SAR under the EU 10 g tissue method for the exact model.

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SAR body (EU)iHighest published body SAR under the EU 10 g tissue method, excluding separate limb values.

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Hearing aid compatibilityiPublished hearing-aid coupling or rating. Older M/T ratings, ASHA/HAP protocol support and conversational gain are different claims and must be named as published.

M3, T41Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Rating for Hearing Aids section. Published rating without conversion.

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In the box

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In the box

iPhone SE, USB-C to Lightning Cable, Documentation1Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026In the Box section. Current document describes the adapter-free retail bundle. The original launch bundle is not represented.

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Links

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Product page

support.apple.com/en-us/1118821Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Exact Apple technical specifications, represented US hardware.

www.samsung.com/uk/support/model/SM-G991BZADEUA2Maker product pagesamsung.com/uk/support/model/SM-G991BZADEUARead 5 October 2026

Spec sheet

support.apple.com/en-us/1118821Maker product pagesupport.apple.com/en-us/111882Read 5 October 2026Apple exact-model technical specification document, published as HTML.

searchapi.samsung.com/v6/front/b2c/product/spec/detail1Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact UK SM-G991BZADEUA maker specification table.

Manual

support.apple.com/en-gb/guide/iphone/iph4b7cbc094/ios3Owner's manualsupport.apple.com/en-gb/guide/iphone/iph4b7cbc094/iosRead 5 October 2026Exact iPhone SE (2nd generation) model page in Apple User Guide. Controls and model diagrams reviewed. Guide version is not a stable rollout claim.

downloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdf8Owner's manualdownloadcenter.samsung.com/content/UM/202401/20240125145825791/SM-G99X_UM_EU_RR_Eng_Rev.1.1_210304.pdfRead 5 October 2026Original native English EU guide cover includes SM-G991B/DS.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

None of 1 known

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

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Both are also in the API. Back to all phones.