Smartwatches / Compare

OnePlus Watch 3 vs Samsung Galaxy Watch6

A

Product A: OnePlus

Watch 3

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B

Product B: Samsung

Galaxy Watch6

92 of 150 known

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Every value links to where we found it.

Only differences

AOnePlus Watch 3

BSamsung Galaxy Watch6

General

6 of 10 differ

Series

Watch1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Galaxy Watch1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Samsung names the product Galaxy Watch6 in the Galaxy Watch line.

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

OPWWE2511Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Original large OnePlus Watch 3 OPWWE251. The separately marketed 43 mm OPWE242 is excluded.7Maker product pageoneplus.com/uk/pstisocRead 8 October 2026Public list explicitly distinguishes OnePlus Watch3 OPWWE251 from OnePlus Watch3 43 mm OPWE242. PSTI security support is not an OS-update-years promise.

SM-R930, SM-R935F, SM-R940, SM-R945F4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Layout figure: SM-R930 and SM-R940 have a GPS antenna. SM-R935F and SM-R945F have an LTE/GPS antenna. The manual covers SM-R930, SM-R935F, SM-R940, SM-R945F and the Watch6 Classic models.

GTIN / EAN

Not available

Not available

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

18 February 20253Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 2026

26 July 20231Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Samsung US release dated 7/26/2023 (Unpacked).

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.

Not available

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.

OnePlus Watch 411Reviewnotebookcheck.net/OnePlus-Watch-4-New-Wear-OS-smartwatch-detailed-before-global-release.1275026.0.htmlRead 23 October 2026Notebookcheck's preview says the OnePlus Watch 4 is replacing the OnePlus Watch 3.

Samsung Galaxy Watch79Reviewgsmarena.com/samsung_galaxy_watch_ultra_and_galaxy_watch7_handson-news-63675.phpRead 23 October 2026GSMArena's hands-on calls the Galaxy Watch7 the successor to the regular Galaxy Watch6.

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

From $299.991Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 20267Press articleglobal.techradar.com/de-de/health-fitness/smartwatches/samsung-galaxy-watch-6-und-6-classic-alles-was-wir-jetzt-wissen-nachdem-unpacked-vorbei-istRead 10 October 20268Spec databasenextpit.de/smartwatches/samsung-galaxy-watch6-40mmRead 10 October 2026

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

From €3191Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 20267Press articleglobal.techradar.com/de-de/health-fitness/smartwatches/samsung-galaxy-watch-6-und-6-classic-alles-was-wir-jetzt-wissen-nachdem-unpacked-vorbei-istRead 10 October 20268Spec databasenextpit.de/smartwatches/samsung-galaxy-watch6-40mmRead 10 October 2026

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

GB1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026UK reference page, including its ECG-capable sensor table. North American ECG app eligibility is not inherited.

US, DE1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Prices are published for the US. The German EUR prices are in the TechRadar Germany source.

ColoursiThe maker's own colour names

Obsidian Titanium1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Obsidian Titanium reference. The titanium wording describes the bezel, not an all-titanium housing.

Graphite, Gold, Silver1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Galaxy Watch6 Small 40 mm comes in Graphite and Gold. Large 44 mm comes in Graphite and Silver. The Samsung table prints Sliver for Silver.

Segment

Smartwatch1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Smartwatch1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Maker category: Galaxy Watch6, the mainstream model next to Galaxy Watch6 Classic.

OS updates promisediYears of explicitly promised OS updates. A security-only support period does not establish an OS-upgrade promise.

Not available

Not available

Security updates untiliExact end date published for security-update support of this model. Do not calculate it from a stated number of years. A security-only period does not promise OS upgrades.

Not available

Not available

Case

7 of 8 differ

Case sizeiMarketed case-size options. The marketed size can differ from physical case height, such as ceramic editions. Base dimensions describe the smallest base-material case.

Not available

40, 44mm1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Samsung sizes: Small 40 mm and Large 44 mm. Galaxy Watch6 Classic is a separate product and is not stored.

Case shape

Round1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Round1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Maker text: the signature circle frame.

Case materialiMaterial of the housing body, not just the bezel. Use Mixed when the maker describes a mixture of housing/frame materials. Read the published-material field for the parts and proportions.

Stainless steel1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Aluminium3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Same row: AL (Armor Aluminum).

Case material (as published)

Black stainless steel case with black titanium bezel1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Armor Aluminum3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table, Galaxy Watch6 column: Material AL (Armor Aluminum).

BackiMaterial of the back of the smallest base-material case. Other materials or regional editions can differ. See source notes.

Plastic5Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Design > Materials explicitly distinguishes Plastic back and Stainless-steel frame.

Not available

Case dimensionsiPhysical case height, width and thickness. The source note states exclusions such as the heart-rate sensor protrusion.

Thickness11.75mm1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Maker publishes 46.6 mm excluding lugs x 47.6 mm x 11.75 mm excluding the sensor area. Height/width axes are not labelled, and secondary lists reverse their order. Only unambiguous thickness is stored.

Height40.4Width38.8Thickness9mm(1.6 × 1.5 × 0.4 in)1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Product Specifications: 44 mm 42.8 x 44.4 x 9.0 mm and 40 mm 38.8 x 40.4 x 9.0 mm. Footnote: measured without health sensors. The Samsung US support table lists 40.4 x 38.8 x 9.0 for the 40 mm model, so the first figure is the height.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Samsung Mobile Press tech specs repeat the launch table. Footnote 1: dimensions measured without health sensors.

Weight (case only)iWatch body without a strap. An unqualified published weight must not be assumed to exclude the strap.

49.7g(1.8 oz)1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Size and Weight: 49.7 g excluding wrist strap.

28.7g(1 oz)1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Product Specifications: 44 mm 33.3 g, 40 mm 28.7 g. Footnote: measured without band. Base is the 40 mm model.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table. Footnote 2: weight measured without band.

Weight with strapiWatch with the stated strap attached. Strap material and case size belong in the source note. Reviewer measurements belong in measured fields.

81g(2.9 oz)1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Size and Weight: 81 g including the supplied wrist strap.

Not available

Durability

1 of 8 differ

Water resistanceiStatic water-pressure rating in atmospheres. It is not a safe swimming or diving depth. Diving limits are listed separately.

5ATM1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

5ATM1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Footnote 34: water resistant up to 50 meters in depth for 10 minutes under the 5ATM rating. Not suitable for diving or high-pressure water activities.

Water resistance standard

ISO 22810:20103Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 20265 ATM under ISO 22810:2010. Not suitable for diving/hot showers/sauna. No dive depth is inferred.

ISO 22810:20104Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Dutch manual, Water and dust resistance: 5ATM, tested 10 minutes in fresh water at 50 m under ISO 22810:2010. IPX8 under IEC 60529 and IP6X dust. Rev. 1.0, 08/2023.

Dust and water rating

IP681Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

IP681Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs durability: 5ATM + IP68 / MIL-STD-810H. Footnote: IP68 dust and fresh water to 1.5 m for up to 30 minutes.4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: IPX8 and IP6X, which together are IP68.

Dive rating

Not available

Not available

Max dive depthiMaker-rated depth for the stated diving use, not a conversion from the water-resistance pressure rating.

Not available

Not available

MIL-STD-810iMaker claim that the watch was tested against specified MIL-STD-810 methods. It is not a guarantee for every military-standard test.

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs durability: MIL-STD-810H. The maker states conformity, which is not a guarantee against all tests.

MIL-STD-810 tests

Low pressure (altitude), High temperature, Low temperature, Temperature shock, Solar radiation, Rain, Humidity and heat, Salt spray, Sand and dust, Immersion, Vibration, Impact, Temperature-humidity-altitude, Fluid contamination, Acidic atmosphere, Ice accumulation and freezing rain1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Maker named MIL-STD-810H test list. The 70 C/-40 C durability tests are not operating-temperature limits.

Not available

Operating temperatureiPublished operating range. Source notes identify on-wrist limits and other operating conditions. Storage or charging limits are excluded.

Min0Max35°C2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026NFC Description, printed page 4, instructs use within 0-35 C. Military thermal test extremes and VOOC charging battery-temperature limits are separate.

Min0Max35°C4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: recommended use temperature between 0 and 35 degrees C. The BP and ECG ambient range of 12 to 40 C is not stored.

Display

7 of 14 differ

Display type

LTPO OLED1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

OLED1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Super AMOLED.

Display type (as published)

LTPO AMOLED1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Super AMOLED1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Verbatim: Super AMOLED with Full Color Always On Display.

Screen sizeiPublished active display diagonal for a rectangular display, or diameter for a round display. Do not calculate it from pixels or display area.

1.5in(3.8 cm)1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

1.3in(3.3 cm)1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: 44 mm 1.5-inch (37.3 mm) 480x480 and 40 mm 1.3-inch (33.3 mm) 432x432.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table: 40 mm 1.3-inch (33.3 mm), 44 mm 1.5-inch (37.3 mm).

Resolution

466 × 466px1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

432 × 432px1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: 44 mm 480x480 and 40 mm 432x432.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table.

Pixel densityiPublished pixel density. A rectangular diagonal formula must not be applied to a round display.

Not available

330ppi3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table: Display Resolution 480x480 at 327 PPI and 432x432 at 330 PPI, both 2,000 nits. 44 mm is 327 and 40 mm is 330.

Display area

Not available

Not available

Touchscreen

Yes4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026

Yes4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Layout labels a touch screen.

Max refresh rateiHighest published display refresh rate in active operation.

Not available

Not available

Min refresh rateiLowest published display refresh rate, usually in always-on mode. It is not the active-use minimum unless stated.

Not available

Not available

Peak brightnessiMaker peak-brightness claim. It may apply to a small area or bright ambient light. Full-screen limits and battery/temperature conditions belong in source notes.

2,200nits1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Published peak up to 2200 nits, not a measured full-screen value.

2,000nits1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release text: peak brightness of 2,000 nits. Window size and ambient conditions are not stated. Not a reviewer measurement.3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table: 2,000 nits for both sizes.

Minimum brightness

Not available

Not available

Always-on display

Yes4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Full Color Always On Display.

Display cover

Sapphire1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Sapphire1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Sapphire Crystal.

Display cover (as published)

Sapphire crystal1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Sapphire Crystal1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Sapphire Crystal.

Platform

12 of 15 differ

Platform

Wear OS1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Wear OS1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Wear OS Powered by Samsung (Wear OS 4) and One UI 5 Watch.

OS at launch

Wear OS 5 and RTOS3Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 2026

Wear OS 41Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Wear OS 4.

Software

Not available

One UI 8 Watch6Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026Platform: Android Wear OS 4, upgradable to 6.0, One UI Watch 8. The Samsung firmware note lists Wear OS 6.

Latest OS

Not available

Wear OS 65Maker product pagedoc.samsungmobile.com/SM-R930/027501230823/fra-ca.htmlRead 10 October 2026Samsung software update notes for Galaxy Watch6 (SM-R930): build R930XXS2CZF5, Android version B (AndroidWear 6.0), release date 2026-07-06. Checked on the access date.

Works with

Android2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026

Android1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Android 10 or higher and more than 1.5 GB of memory. Samsung Galaxy phones get the full health features.

Phone requirement

Android 9.0 or later with Google Mobile Services 23.45.23 or later and OHealth. iOS and Android Go are not supported.2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026

Launch: Android 10 or higher with more than 1.5 GB of memory. Samsung Health app 6.22 or later for the launch health features.1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs compatibility: Android 10 or higher with more than 1.5GB of memory, and a phone with Google Mobile Services (footnote 35). Footnote 1: the launch health features need Samsung Health 6.22 or later.

App store

Yes6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Google Play store supports downloading applications. Wear OS applications are restricted in RTOS Power Saver mode.

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release: new apps from Google Calendar and Gmail, exclusive to Wear OS, plus WhatsApp, Peloton and MyFitnessPal.

Voice assistants

Google Assistant2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Buttons and Touch, printed page 2, names Google Assistant as the default crown-hold action. Smart mode, Google account, supported region/language and internet through phone/Wi-Fi are required. No RTOS Power Saver or unverified Gemini availability is promised.10Reviewthe-gadgeteer.com/2025/03/16/oneplus-watch-3-review-a-solid-big-smartwatch-with-battery-for-literal-daysRead 8 October 2026Exact original model review actually uses Google Assistant by crown hold. Its erroneous iOS OHealth claim and partial daily charging observations are not imported. Current maker manual and Google support retain region/account/connectivity conditions.

Bixby4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: Bixby, started by holding the Home button or by Hi Bixby. No other assistant is in this launch manual.

Chipset

Qualcomm Snapdragon W51Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Main processor Snapdragon W5. Its process is distinct from the BES2800 MCU process.

Samsung Exynos W9301Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Exynos W930 Dual-Core 1.4GHz. The Samsung US support table prints Exynos W920 for the Watch6, a conflict. The launch release and GSMArena say W930.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table: Exynos W930 Dual-Core 1.4GHz.

Process

4nm5Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Hardware > Snapdragon W5 Gen1 (4 nm), main application SoC. The maker 6 nm figure describes the separate BES2800 MCU and is not substituted here.

5nm6Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026Platform: Exynos W930 (5 nm).

CPU cores

45Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026

21Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Dual-Core.

CPU configuration

AOnePlus Watch 3

Count	Core	Max clock (GHz)
4	Cortex-A53	1.7

Source5Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Hardware explicitly gives quad-core 1.7 GHz Cortex-A53.

BSamsung Galaxy Watch6

Count	Core	Max clock (GHz)
2	Cortex-A55	1.4

Source6Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026Platform CPU: dual-core 1.4GHz Cortex-A55.

Max CPU clock

1.7GHz=CalculatedFrom CPU configuration

1.4GHz=CalculatedFrom CPU configuration

GPU

Adreno 7025Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026

Mali-G686Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026Platform GPU: Mali-G68.

Low-power coprocessor

BES2800BP1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Chip table explicitly names MCU BES2800BP. RTOS handles background/low-power tasks.

Not available

Memory

1 of 2 differ

RAMiKeep published GB values as stated. Convert a source explicitly labelled MB using 1000 MB per GB and preserve its original figure and unit in the note. Do not assume MB means MiB. Convert explicit MiB or GiB to decimal GB through their byte definitions, recording the conversion in the note. This normalization does not establish an exact physical byte count.

2GB4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Original large-model review spec table gives 2 GB RAM and 32 GB storage.

2GB1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: 2GB memory + 16GB storage.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table: 2GB memory + 16GB storage.

StorageiTotal built-in storage the maker states, in decimal GB. Space available to the user is lower and goes in the source note. A figure the maker gives only as available space is not stored.

32GB1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

16GB1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: 2GB memory + 16GB storage.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table.

Health sensors

3 of 8 differ

Heart rate sensor

8-channel optical heart rate sensor2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Performance Parameters, printed page 6: 8-channel optical heart-rate sensor, with a separate 16-channel optical pulse-oximeter sensor.

Samsung BioActive Sensor1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart Signal + Bioelectrical Impedance Analysis).

ECG capabilityiElectrical heart sensing hardware with an ECG capability. The ECG app can require an eligible country, age and paired phone.

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026UK table explicitly lists ECG hardware and ECG Analyzer. App availability depends on country, phone, age and current software. This is not a claim of worldwide ECG-app availability.

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release: existing electrocardiogram monitoring. The ECG app is not for users with known arrhythmias other than AFib or users under 22 (footnote 9).3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table lists ECG for the Watch6.

Blood oxygen sensingiBlood-oxygen sensing capability. App availability and medical status vary by market.

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual contents list Samsung Health blood oxygen. Wellness feature, not for diagnosis.

Skin temperature sensingiA sensor or supported function that measures skin temperature. It is not a core-body thermometer.

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs sensors list a Temperature Sensor. Release: track skin temperature during the night for insights including menstrual cycle tracking.

Blood pressure featureiPublished blood-pressure feature category. Hypertension notifications are not numerical blood-pressure readings.

Not available

Calibrated with a cuff3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table: Health HR, IHRN, ECG, BP, BIA. BP availability varies by country. The manual says the BP needs a cuff calibration and repeats it every 28 days.4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 20266Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026Body: blood pressure monitor. ECG certified.

Body composition sensor

Not available

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Bioelectrical Impedance Analysis. Release: Body Composition. Not intended to diagnose a medical condition (footnote 6).

Skin conductance (EDA)

Not available

Not available

Medical clearancesiNamed regulatory clearances and their jurisdiction. General water resistance or an ECG sensor does not establish medical clearance.

Not available

Not available

Motion and environment sensors

0 of 9 differ

Accelerometer

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs sensors: Accelerometer.

Accelerometer range

Not available

Not available

Gyroscope

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs sensors: Gyro Sensor.

Barometric altimeter

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs sensors: Barometer.

Compass

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs sensors: Geomagnetic Sensor.

Ambient light sensor

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs sensors: Light Sensor.

Depth gauge

Not available

Not available

Depth gauge rangeiPublished measurement range of the depth gauge, distinct from maximum diving depth and water-pressure resistance.

Not available

Not available

Water temperature sensor

Not available

Not available

Health and fitness

2 of 5 differ

Health featuresiSupported health functions with country, phone and subscription restrictions in the source notes. Upcoming functions are not counted as available.

Continuous heart rate, Heart rate alerts, ECG app, Blood oxygen app, Heart rate variability, Sleep tracking, Stress tracking1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Current maker health list: heart rate and high/low alerts, SpO2 spot/all-day checks, sleep quality/snoring-risk assessment, Mind and Body with HRV/stress and ECG Analyzer in eligible regions. Snoring-risk assessment is not sleep-apnea clearance.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Published continuous heart rate and HRV/stress functions. Current UK ECG is independently specified. US ECG app availability is excluded.

Heart rate alerts, Irregular rhythm notifications, ECG app, Blood oxygen app, Sleep tracking, Sleep stages, Stress tracking, Cycle tracking, Body composition1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release: Irregular Heart Rhythm Notification checks for AFib in the background, Sleep Score and Sleep Coaching, Body Composition and temperature-based cycle tracking. Heart rate alerts, sleep stages and stress are in the manual. Age, phone and country limits apply. Personalized Heart Rate Zone, Track Run and Custom Workout have no matching option and are not stored.4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual contents: heart rate with high and low heart rate alerts, sleep with four stages (Awake, REM, Light, Deep), stress, body composition, cycle tracking and blood oxygen.

Fitness featuresiSupported workout functions. A sport-profile name alone does not prove advanced metrics such as running power or running dynamics. Trackback follows the recorded route back to the start. A compass arrow that points straight to the start does not count.

VO2 max, Running dynamics, Running power, Turn-by-turn navigation1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Professional Running explicitly names cadence, stride length, ground contact time/balance, vertical movement and running power. VO2 max and Google Maps turn directions are published on the linked product page. An over 100 claim is not an exact profile count.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Running VO2max and ground contact data plus Google Maps turn directions. No direct running/sport profile count is inferred from 100+.

Automatic workout detection, Pool swim, Open water swim4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: automatic workout detection, and pool and open-water swimming workouts. VO2 max, training load and running power are not listed.

Sport profilesiPublished count of distinct sport/activity profiles. A claim such as 180+ is not an exact integer count.

Not available

Not available

Dive modesiActual supported dive modes. Water resistance or a depth app alone does not establish decompression-capable scuba support.

Not available

Not available

External sensorsiTypes of external workout sensors the watch can pair with. GPS reception, phone data and built-in sensors do not qualify.

Not available

Not available

Safety

2 of 6 differ

Fall detectioniAutomatic fall detection. Incident detection restricted to recorded workouts is not counted as general fall detection.

Not available

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release: Fall Detection can gauge a fall, even while sleeping, and alerts an emergency contact.4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: after a hard impact the watch detects a fall, vibrates, and sends an SOS to emergency contacts if there is no response in 60 seconds.

Car crash detection

Not available

Not available

Emergency SOSiA manual emergency alert to emergency services or preset contacts. Source notes identify the recipient, paired-phone requirement and country limits. Satellite is listed separately.

Not available

Yes4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: Sending an SOS. Press-based SOS shares location with emergency contacts.

Emergency sireniPublished or measured siren sound level in decibels. Audible distance alone does not establish this value. Measurement distance belongs in source notes.

Not available

Not available

Live location sharingiShares live location during supported use. A paired phone or data subscription may be required.

Not available

Not available

Dedicated LED flashlightiA dedicated hardware LED flashlight. Lighting the display white is not counted.

Not available

Not available

Positioning

2 of 3 differ

PositioningiPublished satellite systems and signal bands. Do not infer bands from dual-frequency support alone.

GPS (L1 + L5), BeiDou, Galileo, GLONASS, QZSS1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Connectivity names GPS dual-band L1+L5 and BeiDou/Galileo/GLONASS/QZSS. Signal bands for the other constellations are not invented.

GPS (L1), GLONASS, BeiDou, Galileo3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table: GPS Single Frequency L1. GLONASS, BeiDou and Galileo are in the launch specs.

Dual-band GNSSiMaker-stated dual-frequency satellite reception. Supported constellations and signal bands are listed separately.

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

No3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table: GPS Single Frequency L1 for the Watch6. The Watch7 has dual frequency L1+L5.

Offline mapsiMap data stored on the watch and usable without live phone data. GPX routes or breadcrumb tracks alone are not offline maps.

Not available

Not available

Connectivity

6 of 15 differ

BluetoothiPublished Bluetooth support for this model. The version is recorded separately. Unknown version does not mean the radio is absent.

Not available

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs connectivity: Bluetooth 5.3.

Bluetooth version

5.21Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

5.31Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Bluetooth 5.3.

Wi-FiiPublished Wi-Fi support for this model. The standard and bands are recorded separately. Unknown standard does not mean Wi-Fi is absent.

Not available

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs connectivity: Wi-Fi 2.4+5GHz.

Wi-Fi standard

Wi-Fi 45Spec databasephonearena.com/phones/OnePlus-Watch-3_id12649Read 8 October 2026Connectivity explicitly lists 802.11 a/b/g/n. No Wi-Fi 5 inference from the 5 GHz band.

Wi-Fi 46Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026WLAN: Wi-Fi 802.11 a/b/g/n, dual-band. That is Wi-Fi 4.

Wi-Fi bands

2.4 GHz, 5 GHz1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

2.4 GHz, 5 GHz1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Wi-Fi 2.4+5GHz.

CellulariTrue when a cellular edition is sold. A variant row states whether that individual model has cellular hardware.

No4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Reviewer explicitly states no LTE option for either original colour. Not derived solely from omitted radio entries.

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: LTE, with footnote 33: LTE connectivity only available in LTE models.

Network

Not available

LTE1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: LTE only. No 5G.

4G bandsiPublished LTE bands for the stated regional cellular model. Do not transfer bands to another region or Wi-Fi-only model.

Not available

Not available

5G bandsiPublished 5G NR bands for the stated regional cellular model. RedCap support does not establish conventional full-bandwidth phone 5G.

Not available

Not available

NFCiSome regions sell an NFC edition, so it is per variant.

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs connectivity: NFC.

Contactless payments

Yes1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Footnote 20: Samsung Wallet. Availability varies by market and paired phone.

Payment services

Google Wallet1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Google Wallet country, bank/card and account requirements apply.

Samsung Wallet1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Footnote 20: the availability of Samsung Wallet and its features varies by market and paired smartphone.

Ultra-wideband

Not available

Not available

Satellite

Not available

Not available

ANT+

Not available

Not available

Audio

3 of 4 differ

Speaker

Yes4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026

Yes3Maker product pagesamsung.com/us/support/answer/ANS10003275Read 10 October 2026Support table: Feedback Mic., Speaker, Motor (Vertical).

Microphones

Not available

14Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Layout labels one Microphone. The speaker and pressure vent are separate.

Calls on the watchiVoice-call capability of the marketed model, including sold cellular editions. Variant radio capability and paired-phone requirements still apply.

Phone only4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Bluetooth calling through a paired phone. The exact original model has no cellular edition.

Cellular or phone4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: calls use the watch microphone and speaker. LTE models make calls without the phone and Bluetooth models need the paired phone.

Music on the watchiPlays audio stored on the watch. Remote control of phone playback or streaming alone does not qualify.

Not available

Yes4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual: Music plays tracks stored on the watch, through the watch speaker or Bluetooth earbuds.

Controls

4 of 5 differ

ButtonsiPhysical controls used to operate the watch, excluding the rotating crown and strap-release buttons. A clickable rotating crown is counted only in Crown.

12Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Product Overview/Buttons and Touch, printed pages 1-2: Crown plus Lower button. The clickable rotating crown is not counted as an ordinary button.

24Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Layout lists two buttons, the Home (power) button and the Back button. Both also carry the electrical bio sensor.

Named operating buttonsiNames of operating buttons, excluding the crown and strap-release controls.

Lower button2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Exact manual operating-control name, excluding Crown and strap-release controls.

Home button, Back button4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Layout names Home and Back buttons.

CrowniA crown that rotates to control the interface. A round push button that does not rotate is not a crown.

Rotating haptic4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Reviewer describes physical rotation with Pixel-like scroll haptic feedback. Lower push button remains separate.

None4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026No crown in the layout. The Watch6 has a touch ring and the Watch6 Classic has a rotating ring.

Rotating bezeliPhysical rotation or touch gestures around the display edge. A fixed decorative bezel is None.

Not available

Touch4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual Ring section: the Galaxy Watch6 has a touch ring, the Classic has a physical rotating ring. A touch ring is swiped, not rotated.

Gestures

Not available

Not available

Battery and charging

7 of 13 differ

Battery capacityiPublished battery capacity for the stated case size. Rated and typical capacity are distinguished in source notes.

631mAh2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Performance Parameters gives 648 mAh typical and 631 mAh rated. The stored figure is rated, matching the maker launch release. Typical capacity is not substituted without a separate field.

300mAh1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: 44 mm 425 mAh and 40 mm 300 mAh. Samsung does not say whether this is rated or typical.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table: 44 mm 425 mAh, 40 mm 300 mAh.

Claimed battery lifeiMaker endurance claims with distinct operating modes and case sizes. With solar describes augmentation of that estimate, not hardware capability. Use false for ordinary claims without solar augmentation, true for explicitly solar-aided claims, and omit it when solar qualification is unclear. Source notes state AOD, GNSS, music and solar conditions. Do not create a normal-use row from an AOD-only claim. Low power denotes the maker battery-saver mode. Keep its typical, light-use and always-on claims separate from standard-mode claims. GPS power saving identifies an intermediate reduced-accuracy GNSS saving preset. Source notes retain the maker's preset name and published conditions. Max battery GPS is the distinct maximum-saving claim. When the maker has only one GPS saving preset, it is GPS power saving.

AOnePlus Watch 3

Mode	With solar	Hours (h)
Smartwatch	No	120
Heavy use	No	72
Low power	No	384

Source1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Up to claims: Smart mode 120 h uses official face, AOD off and Dual-Engine architecture, daily 30 min GPS running/5 min calls/15 min Bluetooth-headphone Spotify/6.5 h sleep. Heavy Smart mode 72 h uses third-party face, Dual-Engine off and AOD on, daily 30 min running/30 min music/15 min Google Maps/5 min calls/6.5 h sleep. Low-power RTOS mode 384 h retains notifications, calls and sleep tracking but limits Wear OS apps. No AOD-only or continuous-GPS row is inferred from the heavy mixed workload.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Up to claims: Smart mode 120 h uses official face, AOD off and Dual-Engine architecture, daily 30 min GPS running/5 min calls/15 min Bluetooth-headphone Spotify/6.5 h sleep. Heavy Smart mode 72 h uses third-party face, Dual-Engine off and AOD on, daily 30 min running/30 min music/15 min Google Maps/5 min calls/6.5 h sleep. Low-power RTOS mode 384 h retains notifications, calls and sleep tracking but limits Wear OS apps. No AOD-only or continuous-GPS row is inferred from the heavy mixed workload.

BSamsung Galaxy Watch6

Mode	With solar	Hours (h)
Smartwatch	No	40
Always-on	No	30

Source1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: battery (typical) up to 40 hours with Always On Display off and up to 30 hours with it on. Footnote: actual battery life varies. The same figures apply to both sizes. Not a solar claim.2Maker product pagesamsungmobilepress.com/media-assets/galaxy-watch6Read 10 October 2026Same table: up to 40 hours (Always On Display off) and up to 30 hours (Always On Display on), typical.

Smartwatch mode (claimed)iMaker normal-use smartwatch claim without solar. A watch with only an explicit AOD-mode claim has no value here. Workloads differ and source notes must be read.

120h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

AOD battery life (up to)iMaker claimed smartwatch endurance with the always-on display enabled and without solar, for the base case. Source notes preserve workload and case conditions. This is a claim, not a measured test or an AOD-off estimate.

Not available

30h=CalculatedFrom Claimed battery life

GPS mode (claimed)iMaker regular GPS/GNSS activity claim without solar, for the base case. AOD, multi-band, music and power-saving conditions have separate rows when published.

Not available

Not available

Solar chargingiPublished solar charging hardware capability. An ordinary battery estimate without solar augmentation does not prove that the watch lacks solar charging hardware.

Not available

Not available

Charging methodiThe connection at the watch, not the cable end at the USB adapter. A proprietary inductive puck is not Qi unless interoperability is explicitly established.

Magnetic pins2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Charging, printed page 3, fits metal watch charging connectors against charging-base contacts. Conductive pins, not an inferred Qi/inductive puck.9Press articleandroidcentral.com/accessories/oneplus-launches-a-little-cable-upgrade-you-didnt-know-your-charger-was-missingRead 8 October 2026Exact compatible OnePlus Watch 3 charging accessory explicitly uses an integrated magnetic pogo-pin connector. This corroborates the supplied-base metal-contact mechanism. Accessory power ratings are not transferred to watch maximum accepted power.

Proprietary wireless charger1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: WPC-based wireless charging. Samsung tested with the Galaxy Watch Magnetic Fast Charging USB-C Cable (EP-OR900). Stored as proprietary wireless like the Galaxy Watch7 file because Qi interoperability is not established.4Owner's manualdownloadcenter.samsung.com/content/UM/202308/20230807135257904/SM-R93X_R94X_R95X_R96X_UM_Open_Android_Dut_Rev.1.0_230807.pdfRead 10 October 2026Manual chapter on charging the battery with the wireless charger.

Charging guidanceiPublished charging requirements, nominal estimates and compatibility guidance. Keep adapter ratings separate from power accepted by the watch.

Not available

Wireless charging with the Galaxy Watch Magnetic Fast Charging USB-C Cable. Samsung tested charge time with the 25W USB-C Power Adapter (EP-TA800), which is sold separately. The adapter rating does not establish the power the watch accepts.1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Footnote 31: testing with the Galaxy Watch Magnetic Fast Charging USB-C Cable (EP-OR900) and the Samsung 25W USB-C Power Adapter (EP-TA800), sold separately. Charge time varies.

Max charging power (watch)iPublished maximum charging power at the watch. Adapter rating or charger input power does not prove the power accepted by the watch.

Not available

Not available

Fast chargingiAn explicit fast-charging capability claim. A short charging time or high adapter wattage alone does not qualify.

Yes2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026VOOC flash charge is explicit. Uses supplied charging base/cable, battery temperature 20-40 C and a qualifying adapter rated 5 V/2 A or higher.

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Specs: Fast Charging (WPC-based wireless charging).

Quick charge claimiMaker claim for usage from a short charge. Source notes identify the usage workload, such as normal use or sleep tracking.

Charge time10 minUse time24 h3Press releaseoneplus.com/us/press/press-release/oneplus-unveils-its-latest-flagship-smartwatch-oneplus-watch-3Read 8 October 2026Maker claims a full day of Smart-mode use from 10-minute charge. Includes the published battery workload, not arbitrary screen/GPS-on time. Flash charging also requires the qualifying base, adapter and battery temperature from the manual.

Charge time8 minUse time8 h1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release: with just eight minutes of fast charge, users can add eight additional hours for sleep tracking. Footnote 18: phone within 2 feet of the user with snore detection enabled. The workload is sleep tracking.

Charge 0 to 80% (claimed)iMaker claim for charging an empty battery to 80%. Charger and approximate qualifiers belong in source notes.

Not available

Not available

Full charge time (claimed)iMaker advertised nominal full-charge duration. Approximate or theoretical maker estimates are allowed, with their conditions in source notes. Partial-charge intervals do not qualify. Measured 0 to 100% tests have a separate field.

Not available

Not available

Measured

2 of 4 differ

Peak brightness (measured)iReviewer measurement. Source notes state screen area, mode and ambient light. A small-area peak claim cannot be replaced with a full-screen measurement.

Not available

Not available

Battery life (measured)iReviewer-observed mixed-use endurance. Source notes state case size, AOD, workout use and whether it was a complete discharge. Extrapolation from partial discharge is excluded.

96h4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Original Obsidian Titanium review sample: reviewer regularly observed a full 4 days with AOD on, nightly sleep tracking and 1 hour tracked exercise/day. 96 h is exact conversion of the published 4 days. Firmware, exercise GNSS share and brightness are unstated. This is mixed-use observation, not standardized continuous GPS. Projected 6-7 day daytime/AOD-off claims and unspecified-start charging observations are omitted.

Not available

Battery tests (measured)iReviewer-observed endurance, with case size and test settings in source notes. Partial-discharge projections are not stored as measured endurance.

AOnePlus Watch 3

Test	Hours (h)
Mixed use, always-on	96

Source4Reviewandroidcentral.com/wearables/oneplus-watch-3-reviewRead 8 October 2026Same 96 h AOD-on observational cycle as the scalar, original large Obsidian sample with nightly sleep and 1 h exercise/day. No 43 mm measurement is imported.

BSamsung Galaxy Watch6

Not available

Full charge time (measured)iReviewer measurement from empty to full, not 0-80% or a charge from 5%. Source notes name the charger and case size.

Not available

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Strap

3 of 6 differ

Lug widthiDistance between standard strap attachment lugs, not the decorative width of a proprietary strap. Unknown for custom connectors unless the maker publishes lug width.

22mm1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Published standard 22 mm watchband compatibility describes conventional strap attachment, not a decorative proprietary connector width.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Published standard 22 mm watchband compatibility describes conventional strap attachment, not a decorative proprietary connector width.

20mm6Spec databasegsmarena.com/samsung_galaxy_watch6-12437.phpRead 10 October 2026Body: compatible with standard 20mm straps.

Quick-release strapiThe supplied strap can be detached through its quick-release mechanism. Compatibility with quick-release replacement straps alone does not qualify.

Yes2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Product Overview labels Strap Release and Attachment controls for the supplied conventional strap.10Reviewthe-gadgeteer.com/2025/03/16/oneplus-watch-3-review-a-solid-big-smartwatch-with-battery-for-literal-daysRead 8 October 2026Design and features identifies actual supplied strap quick-release buttons on the original large review sample. Not merely replacement-band compatibility.

Yes1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Release: new one-click bands let users mix and match watch bands.

Strap systemiPublished attachment system and compatible case sizes. Proprietary connectors are distinguished from standard spring bars.

Standard 22 mm watchbands1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Linked maker product page explicitly supports all standard 22 mm watchbands.6Maker product pageoneplus.com/global/oneplus-watch-3Read 8 October 2026Linked maker product page explicitly supports all standard 22 mm watchbands.

Not available

Strap materialiMaterial of the supplied strap for the stated package. Do not substitute material from another band sold separately.

Not available

Not available

Strap

Not available

Not available

Strap sizesiPublished wrist-circumference range for the stated strap or case. Source notes distinguish an overall compatible wrist range from one supplied strap size.

AOnePlus Watch 3

Wrist (min) (mm)	Wrist (max) (mm)
140	210

Source1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

BSamsung Galaxy Watch6

Not available

Regulatory

1 of 3 differ

FCC ID

Not available

Not available

SAR limb (US)iPublished limb/wrist SAR for the stated base regional model under the US regime. Other case sizes or radio versions can differ. Head or body SAR is excluded.

Not available

Not available

SAR limb (EU)iPublished limb/wrist SAR for the stated base regional model under the EU regime. Other case sizes or radio versions can differ. Head or body SAR is excluded.

0.312W/kg2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026English CE SAR section, printed page 5: limb 0.312 W/kg in direct contact with the watch back. Face 0.150 W/kg is excluded.

Not available

Other certifications

Not available

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In the box

1 of 2 differ

In the box

Watch body, Charging base, Strap, Safety Guide, Quick Start Guide, USB-C charging cable1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Not available

Power adapter in boxiA mains/USB power adapter is supplied. A charging cable, inductive puck or charging dock alone does not count.

No1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026Complete box list supplies charging base and cable but no mains/USB power adapter.

No1Press releasenews.samsung.com/us/samsung-galaxy-watch6-series-classic-inspiring-best-self-day-night-unpacked-2023Read 10 October 2026Footnote 31: the Samsung 25W USB-C Power Adapter (EP-TA800) is sold separately.

Links

Not compared

Product page

www.oneplus.com/uk/oneplus-watch-31Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Not available

Spec sheet

www.oneplus.com/uk/oneplus-watch-3/specs1Maker product pageoneplus.com/uk/oneplus-watch-3/specsRead 8 October 2026

Not available

Manual

manuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdf2Owner's manualmanuals.plus/m/1d67b974739804b0af768b59851b1d7b7454726774db7bbc8ee939a02edfcf62_optim.pdfRead 8 October 2026Maker Quick Start Guide for OPWWE251, hosted in a public document mirror. The official manual portal was checked but returned only a script shell.

Not available

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.

Not available

Not available

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.

Not available

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