Smartwatches / Compare
Google Pixel Watch 2 vs Samsung Galaxy Watch9
Product A: Google
100 of 150 known
Change Google Pixel Watch 2
Product B: Samsung
93 of 150 known
Change Samsung Galaxy Watch9
74 of 141 fields differ
- 45 different values
- 29 known for one only
- 32 the same
- 35 missing for both
Biggest differences
Each bar uses the scale of all 101 smartwatches.
- Peak brightnessA: 1,000nitsB: 3,000nitsSamsung is 3 times higher.
Size, drawn to scale
Front and side.
- AGoogle: 41 × 41 mm
- BSamsung: 40.4 × 42.7 mm
Weight
0 to 80 g
Weight (case only)
A31g
B31.5g
All 150 fields
Every value links to where we found it.
General
8 of 10 differ
Series
Model numbers
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-L340, SM-L345F, SM-L345U, SM-L350, SM-L355F, SM-L355U4Maker product pagesamsung.com/us/watches/galaxy-watch9/buyRead 30 September 2026US codes SM-L340N, SM-L345U, SM-L350N, SM-L355U. EU codes SM-L340N, SM-L345F, SM-L350N, SM-L355F on the Samsung EU store
GTIN / EAN
Not available
Not available
Announced
Status
Not available
Predecessor
Not available
Successor
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)
Launch price (EU)
Markets
Not available
Colours
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.
Segment
OS updates promised
Not available
Not available
Security updates until
Not available
Case
6 of 8 differ
Case size
Case shape
Case material
Case material (as published)
Back
Not available
Case dimensions
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.
Height42.7Width40.4Thickness8.6mm(1.7 × 1.6 × 0.3 in)12Press 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)
Weight with strap
Not available
Not available
Durability
3 of 8 differ
Water resistance
Water resistance standard
Dust and water rating
Dive rating
Not available
Not available
Max dive depth
Not available
Not available
MIL-STD-810
Not available
MIL-STD-810 tests
Not available
Not available
Display
7 of 14 differ
Display type
Display type (as published)
Screen size
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.
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.
Pixel density
Not available
Display area
Not available
Not available
Touchscreen
Max refresh rate
Not available
Not available
Min refresh rate
Not available
Not available
Peak brightness
Minimum brightness
Not available
Not available
Always-on display
Display cover
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.
Platform
11 of 15 differ
Platform
OS at launch
Software
Not available
Latest OS
Not available
Not available
Works with
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
Voice assistants
Chipset
Process
CPU cores
CPU configuration
AGoogle Pixel Watch 2
| Count | Core | Max clock (GHz) |
|---|---|---|
| 4 | Cortex-A53 | 1.7 |
BSamsung Galaxy Watch9
| Count | Max clock (GHz) |
|---|---|
| 1 | 2.1 |
| 4 | 1.95 |
Max CPU clock
1.7GHz
2.1GHz
GPU
Not available
Low-power coprocessor
Not available
Memory
0 of 2 differ
RAM
Storage
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
ECG capability
Blood oxygen sensing
Skin temperature sensing
Blood pressure feature
Not available
Body composition sensor
Not available
Skin conductance (EDA)
Not available
Medical clearances
Not available
Motion and environment sensors
0 of 9 differ
Accelerometer
Accelerometer range
Not available
Not available
Gyroscope
Barometric altimeter
Compass
Ambient light sensor
Depth gauge
Not available
Not available
Depth gauge range
Not available
Not available
Water temperature sensor
Not available
Not available
Health and fitness
3 of 5 differ
Health features
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.
Irregular rhythm notifications, ECG app, Heart rate variability, Sleep tracking, Sleep apnea notifications, Stress tracking, Readiness score, Cycle tracking, Body composition, Noise monitoring, Continuous heart rate, Heart rate alerts, Blood oxygen app, Sleep stages1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Sleep Apnea, Vitals, Heart Health Score, Hearing (alerts for unsafe noise levels)2Maker product pagesamsung.com/us/watches/galaxy-watch9Read 30 September 2026Compare table: Energy Score, Sleep Apnea, High Stress Alert, Blood Pressure, ECG, Irregular Heart Rhythm Notification, Body Composition, Cycle Tracking, Hearing Protection, Vitals (HRV)8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Samsung Health > Heart rate, printed pages 77-78: Measure continuously is an optional setting. High/Low HR alerts require a value outside the configured resting range for more than 10 minutes. Blood oxygen, pages 80-81: manual readings and optional continuous sensing while sleeping. Sleep, page 64: Awake, REM, Light and Deep stages, with detailed analysis through a paired phone. Existing ECG, blood-pressure and sleep-apnea functions retain their country and compatible-phone restrictions.
Fitness features
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, Automatic workout detection1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Daily Cardio Load with recovery guidance, Fitness Index uses BIA and VO2 Max8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Samsung Health > Auto detect workouts feature, printed page 61: after continuously exercising for a period, the watch recognises supported exercise and records its type, duration and calories. Supported activity selection is configurable. This does not establish an exact sport-profile count.
Sport profiles
Not available
Dive modes
Not available
Not available
External sensors
Not available
Not available
Safety
1 of 6 differ
Fall detection
Car crash detection
Not available
Emergency SOS
Emergency siren
Not available
Not available
Live location sharing
Not available
Not available
Dedicated LED flashlight
Not available
Not available
Positioning
2 of 3 differ
Positioning
Dual-band GNSS
Offline maps
Not available
Not available
Connectivity
6 of 15 differ
Bluetooth
Not available
Bluetooth version
Wi-Fi
Not available
Wi-Fi standard
Wi-Fi bands
Cellular
Network
4G bands
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.
Not available
5G bands
Not available
Not available
NFC
Contactless payments
Payment services
Ultra-wideband
Not available
Not available
Satellite
Not available
Not available
ANT+
Not available
Not available
Audio
0 of 4 differ
Speaker
Microphones
Not available
Not available
Calls on the watch
Music on the watch
Controls
5 of 5 differ
Buttons
Named operating buttons
Crown
Rotating bezel
Not available
Gestures
Not available
Raise to talk, Double pinch, Double wrist rotation, Knock knock2Maker product pagesamsung.com/us/watches/galaxy-watch9Read 30 September 2026Raise to talk gesture starts Gemini8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Buttons and gestures, printed page 130: Double pinch answers calls or confirms alerts. Rotating the wrist twice can decline calls or dismiss alerts. Knock knock bends the wrist up and down twice to launch a configured feature. These controls must be enabled/configured and can vary with context. Raise to talk has separate manufacturer evidence.18Reviewnotebookcheck.net/Samsung-Galaxy-Watch-9-review-New-Galaxy-smartwatch-delivers-a-huge-performance-leap.1403883.0.htmlRead 8 October 2026Setup and Operation: double-tap gesture with thumb and index finger, tested for music control or ending a call. The manufacturer manual calls the same operating gesture Double pinch. The 44 mm test does not establish a 40 mm display or battery measurement.
Battery and charging
8 of 13 differ
Battery capacity
Claimed battery life
AGoogle Pixel Watch 2
| Mode | With solar | Hours (h) |
|---|---|---|
| Always-on | No | 24 |
BSamsung Galaxy Watch9
| Mode | Hours (h) |
|---|---|
| Smartwatch | 40 |
| Always-on | 30 |
Smartwatch mode (claimed)
Not available
Not available
AOD battery life (up to)
24h
Not available
GPS mode (claimed)
Not available
Not available
Solar charging
Not available
Not available
Charging method
Charging guidance
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)
Fast charging
Quick charge claim
Not available
Not available
Charge 0 to 80% (claimed)
Not available
Full charge time (claimed)
Measured
None of 4 known
Peak brightness (measured)
Not available
Not available
Battery life (measured)
Not available
Not available
Battery tests (measured)
Not available
Not available
Full charge time (measured)
Not available
Not available
Strap
5 of 6 differ
Lug width
Not available
Not available
Quick-release strap
Not available
Strap system
Strap material
Strap
Strap sizes
AGoogle Pixel Watch 2
| Size | Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|---|
| Small | 130 | 175 |
| Large | 165 | 210 |
BSamsung Galaxy Watch9
Not availableRegulatory
2 of 3 differ
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).
Not available
SAR limb (US)
Not available
SAR limb (EU)
Not available
Other certifications
Not available
Not available
In the box
1 of 2 differ
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 Watch9, Band, Wireless charging pad (10W)6Reviewgsmarena.com/samsung_galaxy_watch9-review-2988.phpRead 8 October 2026Only the watch, the band and a proprietary 10W wireless charging pad
Power adapter in box
Links
Not compared
Product page
Spec sheet
Manual
Not available
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Not available
Both are also in the API. Back to all smartwatches.