Screen size
Watch 21.4"
Watch 3Winner: 1.5"+4.7%
Quick verdict
Watch 3 leads the measured specs 5-1.
Measured wins
Watch 2
1
spec wins
Ties
10
equal specs
Watch 3
5
spec wins
Overall winner
Screen size
Technology
Watch 2
No cellular connectivity
Watch 3
No cellular connectivity
2G bands
Watch 2
N/A
Watch 3
N/A
3G bands
Watch 2
N/A
Watch 3
N/A
4G bands
Watch 2
N/A
Watch 3
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
equal specsWeight
equal specsThickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
N/A
Speed
Watch 2
No
Watch 3
No
GPRS
Watch 2
No
Watch 3
No
EDGE
Watch 2
No
Watch 3
No
Announced
Watch 2
2024, February 26
Watch 3
2025, February 18
Status
Watch 2
Available. Released 2024, March 05
Watch 3
Available. Released 2025, March 03
Dimensions
Watch 2
47 x 46.6 x 12.1 mm (1.85 x 1.83 x 0.48 in)
Watch 3
47.6 x 46.6 x 11.8 mm (1.87 x 1.83 x 0.46 in)
Weight
Watch 2
49 g (1.73 oz)
Watch 3
49.7 g (1.76 oz)
Build
Watch 2
Sapphire crystal front, stainless steel frame, plastic back
Watch 3
Sapphire crystal front, stainless steel frame, plastic back
SIM
Watch 2
No
Watch 3
No
Other
Watch 2
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810H compliant Waterproof (5ATM) Compatible with standard 22mm straps
Watch 3
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810H compliant Waterproof (5ATM/50m) Compatible with standard 22mm straps ECG certified
Type
Watch 2
AMOLED, 1000 nits (HBM)
Watch 3
LTPO AMOLED, 2200 nits (peak)
Size
Watch 2
1.43 inches
Watch 3
1.5 inches
Resolution
Watch 2
466 x 466 pixels (~326 ppi density)
Watch 3
466 x 466 pixels (~310 ppi density)
Protection
Watch 2
Sapphire crystal glass
Watch 3
Sapphire crystal glass
OS
Watch 2
Android Wear OS 4 + RTOS
Watch 3
ColorOS Watch 7.0 + Wear OS 5.0
Chipset
Watch 2
Qualcomm Snapdragon W5 Gen 1 (4 nm)
Watch 3
Qualcomm Snapdragon W5 Gen 1 (4 nm)
Card slot
Watch 2
No
Watch 3
No
Internal
Watch 2
32GB 2GB RAM
Watch 3
32GB 2GB RAM
Other
Watch 2
eMMC
Watch 3
-
Other
Watch 2
No
Watch 3
No
Loudspeaker
Watch 2
Yes
Watch 3
Yes
3.5mm jack
Watch 2
No
Watch 3
No
WLAN
Watch 2
Wi-Fi 802.11 a/b/g/n, dual-band
Watch 3
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
Watch 2
5.0, A2DP, LE
Watch 3
5.2, A2DP, LE
Positioning
Watch 2
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Watch 3
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Watch 2
Yes
Watch 3
Yes
Radio
Watch 2
No
Watch 3
No
USB
Watch 2
No
Watch 3
No
Sensors
Watch 2
Accelerometer, gyro, barometer, compass, heart rate, SpO2
Watch 3
Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)
Type
Watch 2
500 mAh
Watch 3
Li-Ion 648 mAh
Charging
Watch 2
7.5W wired
Watch 3
7.5W wired
Colors
Watch 2
Black Steel, Radiant Steel
Watch 3
Black titanium, Silver titanium
Price
Watch 2
About 160 EUR
Watch 3
€ 159.00
Models
Watch 2
-
Watch 3
OPWWE251