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Galaxy Watch (42mm) vs Galaxy Watch 3 (41mm)
General Information
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Model Name
Galaxy Watch (42mm)
Galaxy Watch 3 (41mm)
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Model type
Wearable
Wearable
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Colors
Black (Midnight Black)Rose Gold (Rose Gold)
Silver (Mystic Silver)Bronze (Mystic Bronze)
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Announced
2018, August
2020, July
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Released
2018, August
2020, August
Physical specifications
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Dimensions
Watch: 41.9 x 45.7 x 12.7 mm
Watch: 42.5 x 41.0 x 11.3 mm
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Weights
49g
48.2g
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IP rating
5ATM + IP68 / MIL-STD-810G
5ATM + IP68 / MIL-STD-810G
Operating system
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Operating system
Tizen Based Wearable OS 4.0
Tizen Based Wearable OS 5.5
Networks
-
Networks
3G4G
4G
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eSIM support
Yes
Yes
Display
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Kind
Main Display
-
Technology
Circular Super AMOLED
Circular Super AMOLED
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Size
1.2 inch / 30.48 mm
1.2 inch / 30.2 mm
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Resolution
/ 360x360 pixels
/ 360x360 pixels
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Pixel density
278 PPI
Processors
Memory
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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
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Accelerometer
Yes
Yes
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Ambient Light
Yes
No
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Barometer
Yes
Yes
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Electrical Heart sensor
No
Yes
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Gyro sensor
Yes
Yes
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HRM
Yes
No
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Light Sensor
No
Yes
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Optical Heart Rate sensor
No
Yes
Connectivity
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Location technology
GPSGlonass
BeiDouGPSGlonassGalileo
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Wi-Fi
Yes
Yes
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NFC
Yes
Yes
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Bluetooth Version
4.2
5.0
Battery
-
Standard battery capacity
270mAh
247mAh
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Removable battery
No
No
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Wireless fast charging
Yes
