Google Pixel Watch vs Google Pixel Watch 3

Every spec side by side, from each maker's published figures.

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Pixel Watch compared with Pixel Watch 3

	GooglePixel Watch	GooglePixel Watch 3
Overview
Released
Released	October 2022	September 2024
Display
Case sizes
Case sizes	41 mm	41 mm or 45 mm
Panel
Panel	OLED	LTPO OLED
Peak brightness
Peak brightness	1,000 nits	2,000 nits (better)
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	320 ppi AMOLED display with DCI-P3 colour; brightness boost up to 1,000 nits; always-on mode	Actua display; 320 ppi AMOLED LTPO display with DCI-P3 colour; 1–60 Hz; 1 nit minimum brightness (always-on display)
Screen protection
Screen protection	Custom 3D Corning Gorilla Glass 5	Custom 3D Corning Gorilla Glass 5
Health and fitness
ECG
ECG	Yes	Yes
Blood oxygen
Blood oxygen	Yes	Yes
Skin temperature
Skin temperature	No	Yes
Sleep apnoea alerts
Sleep apnoea alerts	No	No
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	No	No
Fall detection
Fall detection	Yes	Yes
Crash detection
Crash detection	No	Yes
GPS
GPS	Single-band	Single-band
Water resistance
Water resistance	50 m	50 m
Sensors
Sensors	Optical heart rate sensor; multipurpose electrical sensor; blood oxygen sensor; compass; altimeter; accelerometer; gyroscope; ambient light sensor	Multi-path optical heart rate sensor; multipurpose electrical sensors for the ECG app; red and infrared sensors for SpO2; skin temperature sensor; electrical sensor for skin conductance (cEDA); compass; altimeter; barometer; magnetometer; 3-axis accelerometer; gyroscope; ambient light sensor
Health features
Health features	ECG app, continuous heart rate, activity and sleep tracking. SpO2 sleep tracking was enabled by the June 2023 Feature Drop; it was unavailable in the launch reviews. Feature availability depends on country, age and software.	ECG app; SpO2 and skin temperature; body response tracking (cEDA); sleep and activity tracking with Fitbit
Fitness features
Fitness features	40 exercise modes at launch; built-in GPS for distance and route tracking	–
Safety features
Safety features	Emergency SOS and international emergency calling; Fall Detection was added after launch and is listed in Google's current exact-model specifications	Emergency SOS; Fall Detection; Car Crash Detection; Loss of Pulse Detection; Safety Signal; Safety Check; Emergency Sharing
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 24 hours	Up to 24 hours
In low-power mode
In low-power mode	–	Up to 36 hours
Mobile data option
Mobile data option	Yes	Yes
Works with
Works with	Android	Android
Chip
Chip	Exynos 9110	Snapdragon W5 Gen 1
Storage
Storage	32 GB	32 GB
Battery life detail
Battery life detail	294 mAh typical rechargeable lithium-ion battery; up to 24 hours. Google's launch claim is not a promise of 24 hours with always-on display enabled.	41 mm has 307 mAh and 45 mm has 420 mAh (typical); both up to 24 hours with always-on display and 36 hours in Battery Saver mode
Charging
Charging	USB-C magnetic charging cable; current maker specifications give about 45 minutes to 50%, 75 minutes to 80% and 110 minutes to full. The original announcement claimed 50% in 30 minutes under its pre-production test conditions; figures differ.	USB-C Fast Charging Cable in the box; 41 mm about 24 minutes to 50%, 35 minutes to 80% and 60 minutes to 100%; 45 mm about 28 minutes to 50%, 50 minutes to 80% and 80 minutes to 100%
Connectivity
Connectivity	Bluetooth 5.0; Wi-Fi 802.11b/g/n at 2.4 GHz; NFC; GPS, GLONASS, BeiDou and Galileo. Optional LTE model supports 4G LTE and UMTS; compatible service plan required. Most Android 8.0 or newer phones supported at launch.	4G LTE and UMTS (LTE models); Bluetooth 5.3; Wi-Fi 802.11a/b/g/n/ac/ax at 2.4 GHz and 5 GHz; NFC; Ultra-wideband; GPS, Galileo, Glonass, Beidou and QZSS; works with most phones on Android 10 or newer
Storage
Storage	32 GB eMMC flash and 2 GB SDRAM; Exynos 9110 SoC with Cortex-M33 co-processor	32 GB eMMC flash; 2 GB SDRAM
Design
Weight (lightest version)
Weight (lightest version)	36 g	31 g (better)
Software
Software	Wear OS	Wear OS
Case materials
Case materials	Case made from 80% recycled stainless steel; 5 ATM water resistance	100% recycled aluminium housing; 5 ATM and IP68
Size
Size	41 mm diameter × 12.3 mm height; 36 g without band	41 mm is 41 mm across and 12.3 mm high, 31 g without band; 45 mm is 45 mm across and 12.3 mm high, 37 g without band
Reference and release detail
Reference and release detail	Google announced availability from 13 October 2022 in nine countries including the UK; TechRadar retrospectively confirms shipping began that day. The release field retains October precision.	–
Bands
Bands	Fluoroelastomer Active Band with soft-touch coating; small fits 130–175 mm wrists and large fits 165–210 mm; both sizes included	Active Band in fluoroelastomer with soft-touch coating, small and large included; 41 mm fits 130–210 mm wrists, 45 mm fits 150–215 mm wrists
Colours
Colours	Matte Black case with Obsidian band; Polished Silver with Charcoal or Chalk; Champagne Gold with Hazel	Matte Black with Obsidian band and Polished Silver with Porcelain band in both sizes; 41 mm also in Champagne Gold with Hazel and Polished Silver with Rose Quartz; 45 mm also in Matte Hazel with Hazel
In the box
In the box	Pixel Watch, small and large Active Band wristbands, USB-C magnetic charging cable and quick start guide; power adapter not included	Pixel Watch 3, Active Band in small and large, USB-C Fast Charging Cable, quick start guide