Google Pixel Watch 4 vs Samsung Galaxy Watch3

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.

WhatsApp Add a third device Clear all

2 of 2 devices The best value in a row is marked Best
Google Google Pixel Watch 4 View Specs Change
Samsung Samsung Galaxy Watch3 View Specs Change
Brand Google Samsung
Versions Bluetooth / Wi-FiLTE + Bluetooth / Wi-Fi SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced 2025, August 20 2020, August 05
Released 2025, October 09 2020, August 06
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 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Bands LTE 1, 3, 5, 7, 8, 20
Speed HSPA, LTE HSPA, LTE
Dimensions 45 x 45 x 12.3 mm(1.77 x 1.77 x 0.48 in) 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight 431 g (without band) or 36.7 g (without band) (1.09 oz) 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build 100% recycled aluminium caseCustom 3D Corning Gorilla Glass 5 Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM eSIM (LTE models) eSIM (LTE models)
Protection / IP Rating IP68 dust tight and water resistant (immersible up to 50m/5ATM)ECG certified IP68 dust/water resistant, 5ATMMIL-STD-810G compliant
Display Type AMOLED LTPO Super AMOLED
Display Size 1.4 inches 1.4 inches
Resolution 456 x 456 pixels 360 x 360 pixels
Pixel Density ~320 ppi ~364 ppi Best
Refresh Rate 1-60Hz 60Hz Best
Peak Brightness 3000 nits —
Protection Custom 3D Corning Gorilla Glass 5 Corning Gorilla Glass DX
Display Features Always-on displayDCI-P3 colour Always-On-Display
Operating System Wear OS Tizen
OS Version 6.0 5.5
Update Support 3 years of software updates —
User Interface Wear OS by Google —
Chipset Qualcomm Snapdragon W5 Gen 2 + Cortex-M55 co-processor Exynos 9110 (10 nm)
CPU Quad-core (4x1.7 GHz Cortex-A53) Dual-core 1.15 GHz Cortex-A53
GPU Adreno A702 Mali-T720
RAM Options 2GB 1GB
Storage Options 32GB 4GB / 1GB RAM8GB / 1GB RAM
Storage Type eMMC eMMC
Card Slot No No
Modules — No Camera
Modules — No Camera
Loudspeaker Yes, built-in speaker Yes
Audio Jack No No
Audio Codec — Not Available
WLAN Wi-Fi 802.11 a/b/g/n/ac/ax, 2.4 GHz + 5 GHz Wi-Fi 802.11 b/g/n
Bluetooth 6.0, A2DP 5.0, A2DP, LE
GPS / Positioning Dual-frequency GPS, Galileo, GLONASS, BeiDou, QZSS GPS, GLONASS, GALILEO, BDS
NFC Yes Yes
Radio No No
USB No (Quick Charge Dock) No
Fingerprint No No
Face Unlock No No
Sensors 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) Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features Fitbit health and fitness trackingSatellite SOS (LTE models, select countries)Gemini on the wrist ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions
Battery Type Li-Ion Li-Ion
Battery Capacity 41 mm: 325 mAh45 mm: 455 mAh 340 mAh (45mm)247 mAh (41mm) Best
Wired Charging Quick Charge Dock:41 mm: about 50% in 15 min, 100% in 45 min45 mm: about 50% in 15 min, 100% in 60 min N/A
Wireless Charging N/A Wireless (WPC-based)
Reverse Charging — N/A
Colours Matte Black, Polished Silver, Champagne Gold, Satin Moonstone Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models — SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U

The matchups our readers check most. Tap any pair to see the full side-by-side specs comparison.