Google Pixel Watch 3 vs Samsung Galaxy Watch8 Classic

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Pixel Watch 3 compared with Galaxy Watch8 Classic

	GooglePixel Watch 3	SamsungGalaxy Watch8 Classic
Overview
Released
Released	September 2024	July 2025
Display
Case sizes
Case sizes	41 mm or 45 mm	46 mm
Panel
Panel	LTPO OLED	OLED
Peak brightness
Peak brightness	2,000 nits	3,000 nits (better)
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Actua display; 320 ppi AMOLED LTPO display with DCI-P3 colour; 1–60 Hz; 1 nit minimum brightness (always-on display)	Super AMOLED with full-colour Always On Display; 1.34-inch (34 mm) with 438 x 438 pixels; 16M colours
Screen protection
Screen protection	Custom 3D Corning Gorilla Glass 5	Sapphire Crystal
Health and fitness
ECG
ECG	Yes	Yes
Blood oxygen
Blood oxygen	Yes	Yes
Skin temperature
Skin temperature	Yes	Yes
Sleep apnoea alerts
Sleep apnoea alerts	No	Yes
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	No	Yes
Fall detection
Fall detection	Yes	Yes
Crash detection
Crash detection	Yes	No
GPS
GPS	Single-band	Dual-band (L1 and L5)
Water resistance
Water resistance	50 m	50 m
Sensors
Sensors	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	Samsung BioActive Sensor (optical bio-signal sensor, electrical heart signal sensor and bioelectrical impedance analysis sensor); infrared temperature sensor; accelerometer; barometer; gyro sensor; geomagnetic sensor; light sensor; 3D Hall sensor
Health features
Health features	ECG app; SpO2 and skin temperature; body response tracking (cEDA); sleep and activity tracking with Fitbit	ECG with Irregular Heart Rhythm Notification, blood pressure (calibrated against an arm cuff every 4 weeks) and CE-marked sleep apnoea detection in the Samsung Health Monitor app, which needs a Galaxy phone; Energy Score; sleep tracking, Sleep Coaching and Bedtime Guidance; Vascular Load; Antioxidant Index; AGEs Index; body composition; stress tracking with High Stress Alert and breathing exercises; Cycle Tracking
Fitness features
Fitness features	–	Running Coach; Personalised Heart Rate Zone; Personalised Functional Threshold Power; VO2 max and advanced running metrics; automatic workout detection
Safety features
Safety features	Emergency SOS; Fall Detection; Car Crash Detection; Loss of Pulse Detection; Safety Signal; Safety Check; Emergency Sharing	Emergency SOS; Fall Detection
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 24 hours	Up to 30 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	Snapdragon W5 Gen 1	Exynos W1000
Storage
Storage	32 GB	64 GB (better)
Battery life detail
Battery life detail	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	Up to 30 hours with Always On Display on and up to 40 hours with it off (Samsung's typical-use tests); 445 mAh typical capacity
Charging
Charging	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%	Fast Charging (WPC-based wireless charging); Fast Wireless Charger in the box
Connectivity
Connectivity	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	LTE models with eSIM (4G LTE and 3G); Bluetooth 5.3; Wi-Fi 802.11a/b/g/n at 2.4 GHz and 5 GHz; NFC; L1 + L5 dual-frequency GPS with Glonass, Beidou and Galileo; pairs with Android 12 or later phones with at least 1.5 GB of memory
Storage
Storage	32 GB eMMC flash; 2 GB SDRAM	2 GB memory; 64 GB storage (49.0 GB available on the Bluetooth model, 49.3 GB on LTE)
Design
Weight (lightest version)
Weight (lightest version)	31 g (better)	63.5 g
Software
Software	Wear OS	Wear OS
Case materials
Case materials	100% recycled aluminium housing; 5 ATM and IP68	Stainless steel case with Rotating Bezel; Sapphire Crystal; 5ATM and IP68; MIL-STD-810H
Size
Size	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	46.0 x 46.4 x 10.6 mm; 63.5 g (watch body without band)
Bands
Bands	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	Hybrid Band (S/M/L) in the box, fitted with the improved Dynamic Lug System; Sport, Fabric and Athleisure bands sold separately
Colours
Colours	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	Black, White
In the box
In the box	Pixel Watch 3, Active Band in small and large, USB-C Fast Charging Cable, quick start guide	Galaxy Watch8 Classic, Hybrid Band, Fast Wireless Charger