Model NameSamsung Galaxy Watch Active2
Dimensions (Aluminum, 44mm)44 x 44 x 10.9 mm (1.73 x 1.73 x 0.43 in)
Dimensions (Aluminum, 40mm)40 x 40 x 10.9 mm (1.57 x 1.57 x 0.43 in)
Dimensions (Stainless Steel, 44mm)44 x 44 x 10.9 mm (1.73 x 1.73 x 0.43 in)
Dimensions (Stainless Steel, 40mm)40 x 40 x 10.9 mm (1.57 x 1.57 x 0.43 in)
Weight (Aluminum, 44mm)30 g (1.06 oz)
Weight (Aluminum, 40mm)26 g (0.92 oz)
Weight (Stainless Steel, 44mm)44 g (1.55 oz)
Weight (Stainless Steel, 40mm)37 g (1.31 oz)
Build (Aluminum)Glass front (Gorilla Glass DX+), aluminum frame
Build (Stainless Steel)Glass front (Gorilla Glass DX+), stainless steel frame 316L
SIM (Aluminum, 40mm)No SIM
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel
MIL-STD-810G compliant* (*does not guarantee ruggedness or use in extreme conditions)
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel
MIL-STD-810G compliant* (*does not guarantee ruggedness or use in extreme conditions)
SIM (Aluminum, 44mm)eSIM or No SIM
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel
MIL-STD-810G compliant* (*does not guarantee ruggedness or use in extreme conditions)
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel
MIL-STD-810G compliant* (*does not guarantee ruggedness or use in extreme conditions)
SIM (Stainless Steel, 44mm)eSIM
MIL-STD-810G compliant*
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel *does not guarantee ruggedness or use in extreme conditions
MIL-STD-810G compliant*
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel *does not guarantee ruggedness or use in extreme conditions
SIM (Stainless Steel, 40mm)eSIM
MIL-STD-810G compliant*
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel *does not guarantee ruggedness or use in extreme conditions
MIL-STD-810G compliant*
Compatible with standard 20mm straps
ECG certified
Touch-sensitive bezel *does not guarantee ruggedness or use in extreme conditions
Display TypeSuper AMOLED
Display Size (44mm)1.4 inches
Display Size (40mm)1.2 inches
Resolution360 x 360 pixels (~364 ppi density)
ProtectionCorning Gorilla Glass DX+
Always-on display
Always-on display
ChipsetExynos 9110 (10 nm)
CPUDual-core 1.15 GHz Cortex-A53
GPUMali-T720
Memory Card SlotNo
Internal4GB 768MB RAM, 4GB 1.5GB RAM
Main Camera – SingleNo
LoudspeakerYes
3.5mm JackNo
WLANWi-Fi 802.11 b/g/n
Bluetooth5.0, A2DP, LE
PositioningGPS, GLONASS, GALILEO, BDS
NFCYes
RadioNo
USBNo
Sensors (Aluminum)Accelerometer, gyro, heart rate, barometer
Natural language commands and dictation
Samsung Pay
Natural language commands and dictation
Samsung Pay
Sensors (Stainless Steel)Accelerometer, gyro, heart rate, barometer, VO2max
Natural language commands and dictation
Samsung Pay
Natural language commands and dictation
Samsung Pay
Battery TypeLi-Ion 340 mAh, non-removable / Non-removable Li-Ion 247 mAh battery
Charging (Aluminum)Wireless
Charging (Stainless Steel)Wireless (Qi)
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