Smartwatches / Compare

Google Pixel Watch 2 vs Samsung Galaxy Watch Ultra2

A

Product A: Google

Pixel Watch 2

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B

Product B: Samsung

Galaxy Watch Ultra2

106 of 150 known

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Only differences

AGoogle Pixel Watch 2

BSamsung Galaxy Watch Ultra2

General

9 of 10 differ

Series

Pixel Watch1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Section Google Pixel Watch 2 specifications on the Google Pixel Watch technical and device specifications page.

Galaxy Watch Ultra2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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

G4TSL, GC3G8, GD2WG3Owner's manualsupport.google.com/product-documentation/answer/13844710Read 13 October 2026The guide names GC3G8 and G4TSL for the EU and UK, and GD2WG for the US.13Spec databaseifixit.com/Device/Google_Pixel_Watch_2Read 13 October 2026G4TSL, GC3G8 and GD2WG are printed in the band groove on the frame.

SM-L715F, SM-L715U4Maker product pagesamsung.com/us/watches/galaxy-watch-ultra2/buy/galaxy-watch-ultra2-47mm-titanium-silver-lte-sku-sm-l715uzsaxaaRead 30 September 20265Spec databasegsmarena.com/samsung_galaxy_watch_ultra2-14805.phpRead 30 September 2026Models: SM-L715F, SM-L715U

GTIN / EAN

Not available

Not available

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

4 October 20232Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Post dated 4 October 2023.

22 July 20261Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Status

Not available

Available1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

Not available

Samsung Galaxy Watch Ultra1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Samsung's launch release gives the Galaxy Watch Ultra2 a battery 35% larger than the previous Ultra model.12Reviewgsmarena.com/the_galaxy_watch_ultra2_is_slimmer_and_has_a_huge_battery_watch9_arrives_in_40mm_and_44mm_sizes-news-73831.phpRead 23 October 2026GSMArena says the Galaxy Watch Ultra2 is 12% slimmer than its predecessor, at 10.7 mm against 12.1 mm.

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.

Google Pixel Watch 36Press releaseblog.google/products/pixel/google-pixel-watch-3Read 13 October 2026Pixel Watch 3 was announced in August 2024 as the next Pixel Watch.17Reviewnotebookcheck.net/Google-Pixel-Watch-3-released-with-new-45-mm-size-and-two-years-of-free-cellular-data-in-the-US.875694.0.htmlRead 23 October 2026Notebookcheck describes the Pixel Watch 3 as a successor to last year's Pixel Watch 2.18Reviewgsmarena.com/google_pixel_watch_3_is_live_with_uwb_and_bluetooth_le_audio_support-news-64101.phpRead 23 October 2026GSMArena's launch report measures the Pixel Watch 3 against last year's Pixel Watch 2 and calls it the predecessor.

Not available

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

$3492Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Pre-order price $349 for Bluetooth/Wi-Fi and $399 for 4G LTE. The LTE price is on the GD2WG variant row.

$699.9911Press releasenews.samsung.com/us/samsung-galaxy-watch-ultra2-watch9-health-companionRead 30 September 2026Availability: Ultra2 USD 699.99.

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.

€39912Press articlegooglewatchblog.de/2023/10/pixel-watch2-google-smartwatch-vorgestelltRead 13 October 2026Launch article of 4 October 2023: Wi-Fi 399 EUR and LTE 449 EUR. German consumer prices with VAT. The 449 EUR LTE price is on the GC3G8 variant row, the EU LTE model.

€74910Press releasenews.samsung.com/de/samsung-galaxy-watch-ultra2-und-die-galaxy-watch9-smarte-begleiter-am-handgelenkRead 30 September 2026Availability and Prices: 47 mm Ultra2 recommended retail price EUR 749.

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

Not available

Not available

ColoursiThe maker's own colour names

Matte Black Aluminum Case / Obsidian Active Band, Polished Silver Aluminum Case / Bay Active Band, Polished Silver Aluminum Case / Porcelain Active Band, Champagne Gold Aluminum Case / Hazel Active Band1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Four colorways as printed. Not all colours are sold in all regions.

Titanium Silver, Titanium Gray1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Segment

Smartwatch2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Presented as a smartwatch in the Pixel line.

Outdoor2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Marketed as an outdoor and sport smartwatch for trail running, cycling and diving

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

Not available

5years7Press article9to5google.com/2026/07/23/samsung-galaxy-watch-9-five-years-wear-os-updatesRead 30 September 2026Five years of Wear OS upgrades. Samsung UK lists security updates valid until 31 July 2031

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.

October 20264Maker product pagesupport.google.com/product-documentation/answer/12799779Read 13 October 2026Pixel Watch 2 row: guaranteed software updates until at least October 2026. The page says updates include security updates and may include feature drops. No OS-upgrade promise, so os_updates_years is not stored.

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.

41mm1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026One size only. Diameter 41 mm.

47mm1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Case shape

Round1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet gives a diameter, so the case is round.

Other2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Cushion design with a round display

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.

Aluminium1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Housing: 100% recycled aluminum. Footnote: recycled aluminum is at least 3% of the product by weight.

Mixed materials2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Material footnote: titanium only on front/back cover areas of metal frame. Other frame parts mix plastic and other materials.

Case material (as published)

100% recycled aluminum1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Titanium on front and back frame covers, with plastic and other frame materials2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Footnote after titanium durability claims. Grade 4 claim is only secondary, and does not describe the whole frame.

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

Not available

Ceramic/sapphire crystal back9Reviewgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p2.phpRead 30 September 2026Design and build: back panel is ceramic and sapphire.

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

Height41Width41Thickness12.3mm(1.6 × 1.6 × 0.5 in)1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists Diameter 41 mm and Height 12.3 mm. Diameter is stored as height and width, height as thickness.

Height47.4Width47.1Thickness10.7mm(1.9 × 1.9 × 0.4 in)10Press releasenews.samsung.com/de/samsung-galaxy-watch-ultra2-und-die-galaxy-watch9-smarte-begleiter-am-handgelenkRead 30 September 2026Specification table dimension footnote: BioActive sensor protrusion excluded. Actual full thickness is greater.

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

31g(1.1 oz)1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 202631 g without band.

61.5g(2.2 oz)10Press releasenews.samsung.com/de/samsung-galaxy-watch-ultra2-und-die-galaxy-watch9-smarte-begleiter-am-handgelenkRead 30 September 2026Specification table weight footnote: case only, excludes bands.

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

Not available

Not available

Durability

8 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 pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

10ATM1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Water resistance standard

ISO 22810:20101Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Footnote 15: 5 ATM under ISO 22810:2010 and IP68 under IEC 60529 when the device leaves the factory.

ISO 228101Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026100 meters according to the ISO 22810 standard

Dust and water rating

IP681Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

IP69K, IP6X, IPX81Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Spec table says IP69K. Footnote: IPX8, IPX9K and IP6X

Dive rating

Not available

EN 133191Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

Not available

40m2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026EN13319 certified, supports underwater activities down to 40 meters

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.

Not available

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

MIL-STD-810 tests

Not available

high/low temperature, altitude, humidity, immersion, salt fog, dust, vibration, drop1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Listed as 'high/low temperature, altitude, humidity, immersion, salt fog, dust, vibration, drop, etc.'

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

Min0Max35°C3Owner's manualsupport.google.com/product-documentation/answer/13844710Read 13 October 2026Operating Temperature section: do not use or charge the watch or its cable at ambient temperatures lower than 0 C or higher than 35 C.

Not available

Display

7 of 14 differ

Display type

OLED1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet says 320 ppi AMOLED display with DCI-P3 color. It does not say LTPO, so the plain OLED option is used.

OLED1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Display type (as published)

AMOLED1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Super AMOLED1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

1.2in(3 cm)10Spec databasem.gsmarena.com/google_pixel_watch_2_arrives_with_new_chipset_improved_battery_life_and_uwb_connectivity-news-60106.phpRead 13 October 2026Launch article: circular 1.2 inch OLED. Google does not publish a diagonal, so this is a rounded database value.11Reviewt3n.de/news/google-pixel-watch-2-test-1584711Read 13 October 2026Spec table: 1.2 inch OLED.

1.52in(3.9 cm)1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Resolution

384 × 384px10Spec databasem.gsmarena.com/google_pixel_watch_2_arrives_with_new_chipset_improved_battery_life_and_uwb_connectivity-news-60106.phpRead 13 October 2026Launch article: 384 x 384 px. The GSMArena spec page, O2 and Vodafone list 450 x 450, which does not fit 320 ppi on a 1.2 inch display.11Reviewt3n.de/news/google-pixel-watch-2-test-1584711Read 13 October 2026Spec table: 384 x 384 px at 320 ppi. Notebookcheck reports the same from the Google Play Console listing.

498 × 498px1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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

320ppi1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists 320 ppi.

Not available

Display area

Not available

Not available

Touchscreen

Yes11Reviewt3n.de/news/google-pixel-watch-2-test-1584711Read 13 October 2026Review operates the watch by touch. The spec table lists a 1.2 inch OLED display.

Yes8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Using the screen, touch operations.

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.

1,000nits1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists brightness boost up to 1000 nits. No area or ambient light condition is given.

5,000nits1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Localized peak brightness under high ambient light. Full-screen brightness may differ

Minimum brightness

Not available

Not available

Always-on display

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Display cover

Gorilla Glass1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Sapphire1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Display cover (as published)

Custom 3D Corning Gorilla Glass 51Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Custom 3D Corning Gorilla Glass 5.

Sapphire Crystal1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Platform

11 of 15 differ

Platform

Wear OS1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Wear OS1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Wear OS Powered by Samsung (Wear OS 7)

OS at launch

Wear OS 4.01Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists Wear OS 4.0.

Wear OS 71Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Software

Not available

One UI 9 Watch1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Latest OS

Not available

Not available

Works with

Android1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Android1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Phone requirement

Most Android 9.0 or newer. Requires a Google Account and the Google Pixel Watch app. Not compatible with Android (Go edition).1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet: most Android 9.0 or newer. Requires Google Account and Google Pixel Watch app. Footnote 5: not compatible with Android (Go edition).

Android 13.0 or higher and with more than 1.5GB of memory1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

App store

Yes9Reviewdcrainmaker.com/2023/11/google-watch2-review.htmlRead 13 October 2026The reviewer installed Strava, Spotify and Komoot from the Google Play store on the watch.

Yes2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Voice assistants

Google Assistant2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026The post describes the Google Assistant app on the watch and a Google Assistant tile. Footnote 10: needs LTE or a paired phone.

Gemini2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Chipset

Qualcomm Snapdragon W5 Gen 11Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists Qualcomm Snapdragon W5 Gen 1.

Qualcomm Snapdragon Wear Elite (SDW6100)1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Spec table: Qualcomm SDW6100 (Penta-Core, 3nm). Text: Snapdragon Wear Elite Platform

Process

4nm8Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-W5%2BW5-Gen1-platform-product-brief.pdfRead 13 October 20264 nm SoC in the brief for the W5 Gen 1 that Google names.

3nm1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

CPU cores

48Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-W5%2BW5-Gen1-platform-product-brief.pdfRead 13 October 2026Quad-core in the brief.

51Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

CPU configuration

AGoogle Pixel Watch 2

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

Source8Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-W5%2BW5-Gen1-platform-product-brief.pdfRead 13 October 2026Chip maker brief: quad-core 1.7 GHz, 4 x A53. Google does not publish the clock the watch runs at, so this is the chip maximum. Notebookcheck reports the same four cores at up to 1700 MHz from the Google Play Console listing.

BSamsung Galaxy Watch Ultra2

Count	Max clock (GHz)
1	2.1
4	1.95

Source6Measurementgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p3.phpRead 30 September 2026Hardware: one main core at 2.1 GHz, four efficient cores at 1.95 GHz. Core architecture names are not published.

Max CPU clock

1.7GHz=CalculatedFrom CPU configuration

2.1GHz=CalculatedFrom CPU configuration

GPU

Qualcomm Adreno 7028Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-W5%2BW5-Gen1-platform-product-brief.pdfRead 13 October 2026Adreno 702 in the brief.

Not available

Low-power coprocessor

Cortex M331Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists a Cortex M33 co-processor.

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.

2GB1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 20262 GB SDRAM.

2GB1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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 pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 202632 GB eMMC flash. Footnote 9: capacity before formatting.

64GB1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Health sensors

5 of 8 differ

Heart rate sensor

Multi-path optical heart rate sensor1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Samsung BioActive Sensor (Optical Bio-signal Sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis)1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists multipurpose electrical sensors compatible with the ECG app. Footnote 11: the ECG app is only available in select countries and is not for people under 22.

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Electrical Heart Signal in the BioActive sensor

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

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists red and infrared sensors for oxygen saturation (SpO2) monitoring. Footnote 10: not available in all countries.

Yes5Spec databasegsmarena.com/samsung_galaxy_watch_ultra2-14805.phpRead 30 September 2026SpO2 listed under sensors

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

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists a skin temperature sensor. Footnote 14: not available in all markets.

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

Not available

Calibrated with a cuff2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Measure blood pressure after calibrating, through the Samsung Health Monitor app

Body composition sensor

Not available

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Skin conductance (EDA)

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists an electrical sensor to measure skin conductance (cEDA).

Not available

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

Not available

FDA-cleared sleep apnea risk detection1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Sleep apnea feature is described as FDA-cleared, not FDA-approved. Availability is country-specific.

Motion and environment sensors

3 of 9 differ

Accelerometer

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Accelerometer range

Not available

Not available

Gyroscope

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Barometric altimeter

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Compass

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Geomagnetic sensor

Ambient light sensor

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Light Sensor

Depth gauge

Not available

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Tracks depth, time and water temperature on entering the water

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

Not available

40m2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Water temperature sensor

Not available

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

Health and fitness

4 of 5 differ

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

Irregular rhythm notifications, ECG app, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sensor list supports the ECG app and blood oxygen monitoring. Both are subject to country limits in footnotes 10 and 11.2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Body Response uses a cEDA sensor with heart rate, heart rate variability and skin temperature to flag possible stress. Sleep Score, Sleep Profile and Daily Readiness Score are named. Daily Readiness Score and Sleep Profile are tools of Fitbit Premium, which is a paid subscription after a six-month offer with the watch.5Maker product pagesupport.google.com/product-documentation/answer/14811751Read 13 October 2026Pixel Watch 2 entry lists heart rate variability, SpO2 tracking, skin temperature, sleep stages and all-day Body Response tracking with cEDA. The entry does not list ECG or irregular rhythm.9Reviewdcrainmaker.com/2023/11/google-watch2-review.htmlRead 13 October 2026Review lists background irregular heart rhythm notifications as new, and shows sleep stages on the watch.

ECG app, Heart rate variability, Sleep tracking, Sleep apnea notifications, Readiness score, Body composition, Noise monitoring1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Sleep apnea feature (FDA clearance), Vitals (HRV), noise alerts (Sound Monitoring). ECG app per GSMArena. Energy Score and BIA per the UK page2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Energy Score (readiness), sleep apnea risk detection, sleep tracking5Spec databasegsmarena.com/samsung_galaxy_watch_ultra2-14805.phpRead 30 September 2026ECG app: listed as 'ECG certified'

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.

Automatic workout detection, VO2 max, Pool swim2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Automatic workout start and stop reminders are available for seven exercises, including running and outdoor cycling.5Maker product pagesupport.google.com/product-documentation/answer/14811751Read 13 October 2026Pixel Watch 2 entry lists cardio fitness (VO2 max) from on-device GPS, and swimming.9Reviewdcrainmaker.com/2023/11/google-watch2-review.htmlRead 13 October 2026Review lists automatic workout detection for seven new workout types. The Swim mode is indoor swimming only, with no open water swim.

VO2 max, Training load, Recovery advice, Route navigation, Turn-by-turn navigation, Trackback1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Daily Cardio Load and recovery guidance, Fitness Index uses VO2 Max. Routes, turn by turn and Track Back per the UK page2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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

402Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026The post names 40 workout modes.

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

Power meter, Speed and cadence2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Power meters, speed sensors and cadence sensors. Smart trainers not supported

Safety

2 of 6 differ

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

Yes2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Footnote 11: not available in all countries. It does not detect all falls.

Yes2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Car crash detection

Yes7Maker product pagesupport.google.com/googlepixelwatch/answer/12663810Read 13 October 2026Feature table marks Car Crash Detection for Pixel Watch 2. Supported countries are limited.

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.

Yes2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Fall detection and Emergency SOS were first introduced on the original Pixel Watch and are on Pixel Watch 2. Footnote 12: needs location, and 4G LTE service or an internet connection.

Yes2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Five presses of the home button reach emergency services

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

86dB2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 202686 decibels, audible up to 180 meters. Quick Button held 5 seconds

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, GLONASS, BeiDou, Galileo, QZSS1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet GPS list: GPS, GLONASS, BeiDou, Galileo, Quasi-Zenith Satellite. Signal bands are not published.

GPS (L1+L5), Glonass, Beidou, Galileo, QZSS2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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

No9Reviewdcrainmaker.com/2023/11/google-watch2-review.htmlRead 13 October 2026The reviewer says the watch does not have multi-band or dual-frequency GNSS.

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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.

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Not available

Bluetooth version

5.01Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists Bluetooth 5.0.

6.01Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Not available

Wi-Fi standard

Wi-Fi 41Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists Wi-Fi 802.11 b/g/n on 2.4 GHz only, so Wi-Fi 4 on one band.

Wi-Fi 42Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Published as 802.11a/b/g/n 2.4GHz+5GHz

Wi-Fi bands

2.4 GHz1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

2.4 GHz, 5 GHz1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026The sheet lists 4G LTE and UMTS for the LTE models. Requires a carrier plan. A Bluetooth/Wi-Fi model is also sold.

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Galaxy Watch Ultra2 is sold as LTE only (47 mm LTE)

Network

LTE1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists 4G LTE and UMTS. UMTS is not a schema option.

LTE1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026

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

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 713Owner's manualsupport.google.com/product-documentation/answer/13844710Read 13 October 2026GC3G8: the EU and UK band table lists UMTS Band I/VIII and LTE B1, B3, B7, B8, B20 and B28. The table covers the EU and UK only. The base list is the union with the GD2WG bands from the FCC filing coverage.14Press article9to5google.com/2023/08/12/pixel-watch-2-fccRead 13 October 2026GD2WG: LTE bands 2, 4, 5, 12, 13, 17, 25, 26, 66 and 71 as reported from the FCC filing. Droid Life reports the same FCC IDs. A carrier listing gives the same band list for the US model.

1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 66, 71, 34, 38, 39, 40, 412Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Specifications > Network/Bearer: SM-L715F FDD and TDD LTE bands, not SM-L715U.

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 pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Contactless payments

Yes15Maker product pagesupport.google.com/googlepixelwatch/answer/12661007Read 13 October 2026Page: with Google Wallet on Google Pixel Watch you can store cards for contactless payments. The page covers the Pixel Watch family and does not name Pixel Watch 2. Supported cards and countries apply.

Yes8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Samsung Wallet section enables watch payments.

Payment services

Google Wallet15Maker product pagesupport.google.com/googlepixelwatch/answer/12661007Read 13 October 2026Google Wallet.

Samsung Wallet8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Samsung Wallet section. Payment availability depends on country and bank.

Ultra-wideband

Not available

Not available

Satellite

Not available

Not available

ANT+

Not available

Not available

Audio

0 of 4 differ

Speaker

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Yes8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Device layout labels the speaker.

Microphones

Not available

Not available

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

Cellular or phone16Maker product pagesupport.google.com/googlepixelwatch/answer/12674814Read 13 October 2026LTE model calls without a nearby phone. Wi-Fi model needs a nearby Bluetooth-paired phone. The page covers the Pixel Watch family and does not name Pixel Watch 2.

Cellular or phone8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Phone section: Bluetooth calls via phone, LTE versions can call independently.

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

Yes9Reviewdcrainmaker.com/2023/11/google-watch2-review.htmlRead 13 October 2026The Spotify watch app downloads music for offline listening without a phone.

Yes8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Music section: transferring music files and playback from the Watch.

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.

11Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

38Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Device layout, pages 7-12. Count operating controls, excluding strap releases.

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

Side button1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet Interaction lists a side button.

Home button, Back button, Quick button8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Device layout and buttons, pages 7-12. Strap-release controls excluded.

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

Rotating haptic1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet Interaction lists a haptic crown.

None8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Device layout: Home and Back buttons, plus Quick button on Ultra2. No rotating crown.

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

Not available

Touch8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Using the bezel section: touch bezel gestures. Fixed physical ring does not rotate.

Gestures

Not available

Not available

Battery and charging

10 of 13 differ

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

306mAh1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026306 mAh typical.

800mAh1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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.

AGoogle Pixel Watch 2

Mode	With solar	Hours (h)
Always-on	No	24

Source1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Up to 24 hours with always-on display. Footnote 7: approximate maximum, tested in California in 2025 on pre-production hardware and software with default settings and a median Pixel user profile. The launch post gives the same 24 hours from mid 2023 testing.

BSamsung Galaxy Watch Ultra2

Mode	With solar	Hours (h)
Smartwatch	No	80
Always-on	No	60
GPS	No	20

Source2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Smartwatch row: up to 80 hours with Always On Display disabled. Always-on row: up to 60 hours. GPS row: 'GPS runs for up to 20 hours'

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.

Not available

80h=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.

24h=CalculatedFrom Claimed battery life

60h=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

20h=CalculatedFrom Claimed battery life

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 pins1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Proprietary wireless charger8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Charging the battery, page 13: only supplied Samsung-approved wireless charger. Product announcement calls WPC-based wireless charging. This does not establish universal Qi interoperability or depend on inferring magnets from a picture.

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

Charging times use the in-box USB-C Fast Charging Cable with a 30 W adapter that is sold separately. The charger needs a USB-C PD adapter of at least 5 W. The adapter is not included.1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet: USB-C Fast Charging Cable. Charger sheet: requires a USB-C PD compatible adapter, minimum 5 W, not included. Footnote 8: speeds are based on the in-box cable with a 30 W adapter sold separately.

Not available

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.

2.5W2Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026Footnote 6: fast wired charging rate up to 2.5 watts with the USB-C Fast Charging Cable on a 30 W adapter.

10W5Spec databasegsmarena.com/samsung_galaxy_watch_ultra2-14805.phpRead 30 September 2026Battery > Charging: 10W wireless. This is a secondary specification, not a measured power draw.

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

Yes1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet names the cable USB-C Fast Charging Cable and lists charging speeds.

Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Up to 40 % in around 30 mins with the dedicated wireless charger (EP-OL715) and a 5V/2A PD adapter

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

Not available

Not available

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

43min1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026About 43 minutes to 80%. Footnote 8: fully drained battery, 2024 testing on pre-production hardware, device powered on.

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.

75min1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026About 75 minutes to 100%. Same test conditions as the 80% figure.

90min11Press releasenews.samsung.com/us/samsung-galaxy-watch-ultra2-watch9-health-companionRead 30 September 2026Specification table: 100% in 90 min, 40% in 30 min. Maker claim.

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.

Not available

96h6Measurementgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p3.phpRead 30 September 202696 h with AOD off, raise-to-wake, HR every 10 min, nightly sleep and four workouts as detailed in the Battery life section.

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

AGoogle Pixel Watch 2

Not available

BSamsung Galaxy Watch Ultra2

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

Source6Measurementgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p3.phpRead 30 September 2026AOD off, raise-to-wake, HR every 10 minutes, nightly sleep and four workouts as detailed in Battery life section.

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

Not available

Strap

5 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.

Not available

Not available

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

Not available

Yes2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Swap bands in a click

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

Proprietary Pixel Watch band connector1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Accessory band table on the same page lists Active Sport, Woven, Stretch, Metal Mesh, Metal Links, Metal Slim, Two-Tone Leather, Crafted Leather and Performance Loop bands as compatible with Pixel Watch 2. The band connector is Google's own. No lug width is published.

Galaxy Watch Ultra dynamic lug system (custom, not standard pins)6Measurementgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p3.phpRead 30 September 2026

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

Fluoroelastomer1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Hydrogenated nitrile butadiene rubber (HNBR)10Press releasenews.samsung.com/de/samsung-galaxy-watch-ultra2-und-die-galaxy-watch9-smarte-begleiter-am-handgelenkRead 30 September 2026Band collections > Marine Band: premium elastomer (HNBR). This is the actual current Marine Band, distinct from the older silicone band described in the review.

Strap

Active band1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

Marine Band1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Marine Band is the band shown with the watch on Samsung UK. PeakForm and Trail bands are other options2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

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

AGoogle Pixel Watch 2

Size	Wrist (min) (mm)	Wrist (max) (mm)
Small	130	175
Large	165	210

Source1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Active band small fits wrists 130 to 175 mm, large fits 165 to 210 mm. Both are included.

BSamsung Galaxy Watch Ultra2

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Regulatory

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FCC ID

A4RG4TSL, A4RGC3G8, A4RGD2WG3Owner's manualsupport.google.com/product-documentation/answer/13844710Read 13 October 2026The guide's FCC section names GD2WG (LTE Version) and G4TSL (Wi-Fi Version). The three FCC IDs come from the press coverage of the FCC filing.14Press article9to5google.com/2023/08/12/pixel-watch-2-fccRead 13 October 2026Table of the FCC filing: A4RG4TSL (G4TSL Bluetooth and Wi-Fi), A4RGC3G8 (GC3G8 cellular) and A4RGD2WG (GD2WG cellular).

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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.

0.5W/kg3Owner's manualsupport.google.com/product-documentation/answer/13844710Read 13 October 2026Radio Frequency Exposure, US limit of 4.0 W/kg over 10 g. Highest limb values with no separation: GD2WG 0.50 W/kg, GC3G8 0.42 W/kg, G4TSL 0.09 W/kg. The US LTE model GD2WG is stored.

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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.

0.84W/kg3Owner's manualsupport.google.com/product-documentation/answer/13844710Read 13 October 2026EU limit of 4.0 W/kg over 10 g. Highest limb values with no separation: GC3G8 0.84 W/kg, G4TSL 0.09 W/kg. The EU LTE model GC3G8 is stored. The guide gives no EU value for GD2WG.

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Other certifications

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In the box

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In the box

Google Pixel Watch 2, Active band (small and large wristbands), USB-C Fast Charging Cable, Quick Start Guide1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Sheet lists Pixel Watch 2, Active band (small and large), USB-C Fast Charging Cable and Quick Start Guide.

Galaxy Watch Ultra2, Marine Band, Wireless charging pad8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Getting started > Device layout/package components and charging instructions. Supplied band depends on purchased package.

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

No1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026Charger sheet: power adapter not included.

No1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Manufacturer support response on product page: included 10W magnetic USB-C charging puck requires a separate USB-C power adapter.

Links

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Product page

blog.google/products/pixel/google-pixel-watch-22Press releaseblog.google/products/pixel/google-pixel-watch-2Read 13 October 2026

www.samsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeub2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026

Spec sheet

support.google.com/googlepixelwatch/answer/126518691Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 2026

news.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wrist1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Launch specification table separates Ultra2 from Watch9.

Manual

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org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026EU English user guide covers SM-L34X, SM-L35X and SM-L71X.

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

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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.

1year1Maker product pagesupport.google.com/googlepixelwatch/answer/12651869Read 13 October 20261 year in the US, CA, JP, India, Singapore and Taiwan. 2 years in the UK, EEA, France, Switzerland and AU.

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