Samsung Galaxy Watch3 vs Google Pixel Watch 4

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.


2 of 2 devices The best value in a row is marked Best	Samsung Samsung Galaxy Watch3 View Specs Change	Change Google Pixel Watch 4 to… Cancel
Brand	Samsung	Google
Versions	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)	Bluetooth / Wi-FiLTE + Bluetooth / Wi-Fi
Announced	2020, August 05	2025, August 20
Released	2020, August 06	2025, October 09
Availability	Available	Available

Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands	1, 3, 5, 7, 8, 20	LTE
Speed	HSPA, LTE	HSPA, LTE

Dimensions	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm	45 x 45 x 12.3 mm(1.77 x 1.77 x 0.48 in)
Weight	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best	431 g (without band) or 36.7 g (without band) (1.09 oz)
Build	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel	100% recycled aluminium caseCustom 3D Corning Gorilla Glass 5
SIM	eSIM (LTE models)	eSIM (LTE models)
Protection / IP Rating	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant	IP68 dust tight and water resistant (immersible up to 50m/5ATM)ECG certified

Display Type	Super AMOLED	AMOLED LTPO
Display Size	1.4 inches	1.4 inches
Resolution	360 x 360 pixels	456 x 456 pixels
Pixel Density	~364 ppi Best	~320 ppi
Refresh Rate	60Hz Best	1-60Hz
Peak Brightness	—	3000 nits
Protection	Corning Gorilla Glass DX	Custom 3D Corning Gorilla Glass 5
Display Features	Always-On-Display	Always-on displayDCI-P3 colour

Operating System	Tizen	Wear OS
OS Version	5.5	6.0
Update Support	—	3 years of software updates
User Interface	—	Wear OS by Google
Chipset	Exynos 9110 (10 nm)	Qualcomm Snapdragon W5 Gen 2 + Cortex-M55 co-processor
CPU	Dual-core 1.15 GHz Cortex-A53	Quad-core (4x1.7 GHz Cortex-A53)
GPU	Mali-T720	Adreno A702

RAM Options	1GB	2GB
Storage Options	4GB / 1GB RAM8GB / 1GB RAM	32GB
Storage Type	eMMC	eMMC
Card Slot	No	No

Modules	No Camera	—

Modules	No Camera	—

Loudspeaker	Yes	Yes, built-in speaker
Audio Jack	No	No
Audio Codec	Not Available	—

WLAN	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac/ax, 2.4 GHz + 5 GHz
Bluetooth	5.0, A2DP, LE	6.0, A2DP
GPS / Positioning	GPS, GLONASS, GALILEO, BDS	Dual-frequency GPS, Galileo, GLONASS, BeiDou, QZSS
NFC	Yes	Yes
Radio	No	No
USB	No	No (Quick Charge Dock)

Fingerprint	No	No
Face Unlock	No	No
Sensors	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)	Compass, altimeterRed and infrared sensors for SpO2Multi-path optical heart rate sensorElectrical sensors (ECG app)3-axis accelerometer, gyroscopeAmbient light sensorBarometer, magnetometerFar-field skin temperature sensorSkin conductance (cEDA) sensorUltra-wideband (UWB)
Other Features	ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions	Fitbit health and fitness trackingSatellite SOS (LTE models, select countries)Gemini on the wrist

Battery Type	Li-Ion	Li-Ion
Battery Capacity	340 mAh (45mm)247 mAh (41mm) Best	41 mm: 325 mAh45 mm: 455 mAh
Wired Charging	N/A	Quick Charge Dock:41 mm: about 50% in 15 min, 100% in 45 min45 mm: about 50% in 15 min, 100% in 60 min
Wireless Charging	Wireless (WPC-based)	N/A
Reverse Charging	N/A	—

Colours	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium	Matte Black, Polished Silver, Champagne Gold, Satin Moonstone
Models	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U	—