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Galaxy Watch 4 (40mm) vs Galaxy Watch Active 2 (40mm)
General Information
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Model Name
Galaxy Watch 4 (40mm)
Galaxy Watch Active 2 (40mm)
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Model type
Wearable
Wearable
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Colors
Silver ()Black ()Pink Gold ()
Sliver (Silver)Black (Black)Gold (Gold)Silver (Cloud Silver)Black (Aqua Black)Pink (Pink Gold)
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Announced
2021, August
2019, August
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Released
2021, August
2019, September
Physical specifications
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Dimensions
Watch: 40.4 x 39.3 x 9.8 mm
Watch: 40 x 40 x 10.9 mm
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Weights
25.9g
26g37g
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IP rating
5ATM + IP68 / MIL-STD-810G
5ATM + IP68 / MIL-STD-810G
Operating system
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Operating system
Wear OS
Tizen Based Wearable OS 5.5
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One UI version
Watch 3.0
Networks
-
Networks
4G
4G
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eSIM support
Yes
Yes
Display
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Kind
Main Display
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Technology
Circular Super AMOLED
Circular Super AMOLED
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Size
1.2 inch / 30.4 mm
1.2 inch / 30.48 mm
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Resolution
/ 396x396 pixels
/ 360x360 pixels
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Pixel density
330 PPI
364 PPI
Processors
Memory
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RAM/ROM sizes
1.5 GB RAM with 16 GB ROM
768 MB RAM with 4 GB ROM1.5 GB RAM with 4 GB ROM
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External memory support
No
Sensors
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Accelerometer
Yes
Yes
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Ambient Light
No
Yes
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Barometer
Yes
Yes
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Bioelectrical Impedance Analysis
Yes
No
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Electrical Heart sensor
Yes
No
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Gyro sensor
Yes
Yes
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HRM
No
Yes
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Light Sensor
Yes
No
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Optical Heart Rate sensor
Yes
No
Video
-
External memory support
No
Connectivity
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Location technology
BeiDouGPSGlonassGalileo
BeiDouGPSGlonass
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Wi-Fi
Yes
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NFC
Yes
Yes
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Bluetooth Version
5.0
5.0
Battery
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Standard battery capacity
247mAh
247mAh
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Removable battery
No
No
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Wireless fast charging
Yes
Yes
