Screen size
equal specsPixel Watch 31.4"
Pixel Watch 41.4"
Quick verdict
Pixel Watch 4 leads the measured specs 5-0.
Measured wins
Pixel Watch 3
0
spec wins
Ties
11
equal specs
Pixel Watch 4
5
spec wins
Overall winner
Screen size
equal specsTechnology
Pixel Watch 3
GSM / HSPA / LTE
Pixel Watch 4
GSM / HSPA / LTE
2G bands
Pixel Watch 3
GSM 850 / 900 / 1800 / 1900
Pixel Watch 4
GSM 850 / 900 / 1800 / 1900
3G bands
Pixel Watch 3
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Pixel Watch 4
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Pixel Watch 3
LTE
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Pixel Watch 4
LTE
Speed
Pixel Watch 3
HSPA, LTE
Pixel Watch 4
HSPA, LTE
Announced
Pixel Watch 3
2024, August 13
Pixel Watch 4
2025, August 20
Status
Pixel Watch 3
Available. Released 2024, September 10
Pixel Watch 4
Available. Released 2025, October 09
Dimensions
Pixel Watch 3
45 x 45 x 12.3 mm (1.77 x 1.77 x 0.48 in)
Pixel Watch 4
45 x 45 x 12.3 mm (1.77 x 1.77 x 0.48 in)
Weight
Pixel Watch 3
37 g (1.31 oz)
Pixel Watch 4
31 g or 37 g (1.09 oz)
Build
Pixel Watch 3
Glass front (Gorilla Glass 5), aluminum frame
Pixel Watch 4
Glass front (Gorilla Glass 5), aluminum frame
SIM
Pixel Watch 3
eSIM
Pixel Watch 4
eSIM
Other
Pixel Watch 3
IP68 dust tight and water resistant (immersible up to 50m/5ATM) ECG certified
Pixel Watch 4
IP68 dust tight and water resistant (immersible up to 50m/5ATM) ECG certified
Type
Pixel Watch 3
LTPO AMOLED, 2000 nits (peak)
Pixel Watch 4
LTPO AMOLED, 3000 nits (peak)
Size
Pixel Watch 3
1.4 inches
Pixel Watch 4
1.4 inches
Resolution
Pixel Watch 3
456 x 456 pixels (~320 ppi density)
Pixel Watch 4
456 x 456 pixels (~320 ppi density)
Protection
Pixel Watch 3
Corning Gorilla Glass 5
Pixel Watch 4
Corning Gorilla Glass 5
OS
Pixel Watch 3
Android Wear OS 5, up to 3 major Android upgrades
Pixel Watch 4
Android Wear OS 6
Chipset
Pixel Watch 3
Qualcomm SW5100
Pixel Watch 4
Qualcomm Snapdragon W5 Gen 2 (4 nm)
CPU
Pixel Watch 3
-
Pixel Watch 4
Quad-core (4x1.7 GHz Cortex-A53)
GPU
Pixel Watch 3
-
Pixel Watch 4
Adreno A702
Card slot
Pixel Watch 3
No
Pixel Watch 4
No
Internal
Pixel Watch 3
32GB 2GB RAM
Pixel Watch 4
32GB 2GB RAM
Other
Pixel Watch 3
eMMC
Pixel Watch 4
eMMC
Other
Pixel Watch 3
No
Pixel Watch 4
No
Loudspeaker
Pixel Watch 3
Yes
Pixel Watch 4
Yes
3.5mm jack
Pixel Watch 3
No
Pixel Watch 4
No
WLAN
Pixel Watch 3
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Pixel Watch 4
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
Pixel Watch 3
5.3, A2DP
Pixel Watch 4
6.0, A2DP
Positioning
Pixel Watch 3
GPS, GLONASS, GALILEO
Pixel Watch 4
GPS (L1+L5), GLONASS, GALILEO (E1+E5a)
NFC
Pixel Watch 3
Yes
Pixel Watch 4
Yes
Radio
Pixel Watch 3
No
Pixel Watch 4
No
USB
Pixel Watch 3
No
Pixel Watch 4
No
Sensors
Pixel Watch 3
Accelerometer, gyro, heart rate, altimeter, compass, SpO2, thermometer (skin temperature), skin conductance
Pixel Watch 4
Accelerometer, gyro, heart rate, altimeter, compass, SpO2, thermometer (skin temperature), skin conductance
Other
Pixel Watch 3
Ultra Wideband (UWB) support
Pixel Watch 4
Satellite SOS service (LTE models only) Ultra Wideband (UWB) support
Type
Pixel Watch 3
Li-Ion 420 mAh
Pixel Watch 4
Li-Ion 455 mAh
Charging
Pixel Watch 3
Wired, 50% in 28 min, 80% in 50 min - 45mm model Wired, 50% in 24 min, 80% in 35 min - 41mm model
Pixel Watch 4
Wired, 50% in 15 min, 80% in 30 min, 100% in 60 min - 45mm model Wired, 50% in 15 min, 80% in 25 min, 100% in 45 min - 41mm model
Colors
Pixel Watch 3
Matte Black, Polished Silver, Champagne Gold, Matte Hazel
Pixel Watch 4
Matte Black, Polished Silver, Champagne Gold, Satin Moonstone
Price
Pixel Watch 3
€ 204.73
Pixel Watch 4
$ 399.99 / € 319.99