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General Information
Model Name
Galaxy Watch Active 2 (40mm)
Galaxy Watch 3 (41mm)
Model type
Wearable
Wearable
Colors
Sliver (Silver)Black (Black)Gold (Gold)Silver (Cloud Silver)Black (Aqua Black)Pink (Pink Gold)
Silver (Mystic Silver)Bronze (Mystic Bronze)
Announced
2019, August
2020, July
Released
2019, September
2020, August
Physical specifications
Dimensions
Watch: 40 x 40 x 10.9 mm
Watch: 42.5 x 41.0 x 11.3 mm
Weights
26g37g
48.2g
IP rating
5ATM + IP68 / MIL-STD-810G
5ATM + IP68 / MIL-STD-810G
Operating system
Operating system
Tizen Based Wearable OS 5.5
Tizen Based Wearable OS 5.5
Networks
Networks
4G
4G
eSIM support
Yes
Yes
Display
Kind
Main Display
Technology
Circular Super AMOLED
Circular Super AMOLED
Size
1.2 inch / 30.48 mm
1.2 inch / 30.2 mm
Resolution
/ 360x360 pixels
/ 360x360 pixels
Pixel density
364 PPI
Processors
Memory
RAM/ROM sizes
768 MB RAM with 4 GB ROM1.5 GB RAM with 4 GB ROM
1 GB RAM with 8 GB ROM
Sensors
Accelerometer
Yes
Yes
Ambient Light
Yes
No
Barometer
Yes
Yes
Electrical Heart sensor
No
Yes
Gyro sensor
Yes
Yes
HRM
Yes
No
Light Sensor
No
Yes
Optical Heart Rate sensor
No
Yes
Connectivity
Location technology
BeiDouGPSGlonass
BeiDouGPSGlonassGalileo
Wi-Fi
Yes
NFC
Yes
Yes
Bluetooth Version
5.0
5.0
Battery
Standard battery capacity
247mAh
247mAh
Removable battery
No
No
Wireless fast charging
Yes
Yes