Compare Samsung Galaxy Watch 4 vs Oppo Band vs Mi Smart Band 6
Variants
40 mm
44 mm
Band Style
Band
Connectivity
Wireless Connectivity
LTE (optional), Bluetooth 5.0, WiFi 4, NFC
Bluetooth 5.0
Bluetooth 5.0
Construction
Battery | Capacity
100 mAh
125 mAh
Material
Aluminum case + Corning Gorilla Glass with DX+ display cover
2.5D glass front + plastic back
Aluminum alloy
Motor
Rotor haptic motor
Dimensions
Size | Depth
9.8 mm
11.45 mm
12.7 mm
Size | Height
40.4 mm
47.4 mm
Size | Width
17.6 mm
18.6 mm
Weight
10.3 g
12.8 g
Display
Brightness
450 nits
Display Diagonal
1.1"
1.56 inch
Display Type
OLED (Super AMOLED), Full Color Always On Display, Corning Gorilla Glass DX
AMOLED (OLED)
OLED (AMOLED), 2.5D reinforced glass and AF coating
Gamut
100% DCI-P3
Pixel Density
326 ppi
Resolution
294x126
152 x 486
Function
Chipset
Exynos W920 Dual Core 1.18GHz (5nm Processor)
Apollo3
Compatibility
Android 6.0 or higher
Fast Charging
30 minutes for 10 hours
15 minutes charges to 46%
GPS
GPS/Glonass/Beidou/Galileo
Operating System
Wear OS Powered by Samsung, One UI Watch 3
SIM
ESIM
Sensor
Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor
3-axis acceleration sensor, optical heart rate sensor, optical SpO2 sensor
6-axis sensor: Low power-consumption 3-axis accelerometer and 3-axis gyroscope PPG heart rate sensor
Weather Resistance
5ATM + IP68
5ATM
5 ATM waterproofing
Wireless Charging
WPC-based wireless charging
Performance
Battery Life
40 hours
Up to 12 days
14 days
Durability
MIL-STD-810G
Memory | Capacity
1.5 GB
Storage
16 GB
16 MB
Production
Debut
2021-08-11
2020-06
2021-03-29
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