Compare Samsung Galaxy Watch 4 vs Oppo Band vs Apple Watch SE
Variants
40 mm
44 mm
Band Style
Band
40 mm
44 mm
Connectivity
Ports
Magnetic Connector
Wireless Connectivity
LTE (optional), Bluetooth 5.0, WiFi 4, NFC
Bluetooth 5.0
Bluetooth 5.0 LE, WiFi 4, NFC
Construction
Battery | Capacity
100 mAh
Material
Aluminum case + Corning Gorilla Glass with DX+ display cover
2.5D glass front + plastic back
Glass front, ceramic/sapphire crystal back, aluminum frame
Dimensions
Size | Depth
9.8 mm
11.45 mm
10.4 mm
Size | Height
40.4 mm
Size | Width
17.6 mm
Weight
10.3 g
Display
Brightness
1000 nits
Display Diagonal
1.1"
Display Type
OLED (Super AMOLED), Full Color Always On Display, Corning Gorilla Glass DX
AMOLED (OLED)
OLED
Gamut
100% DCI-P3
Pixel Density
326 ppi
Resolution
294x126
Function
Chipset
Exynos W920 Dual Core 1.18GHz (5nm Processor)
Apollo3
Apple S5 Dual Core
Compatibility
Android 6.0 or higher
Fast Charging
30 minutes for 10 hours
15 minutes charges to 46%
GPS
GPS/Glonass/Beidou/Galileo
Yes, with A-GPS, GLONASS
Operating System
Wear OS Powered by Samsung, One UI Watch 3
WatchOS 7.0
SIM
ESIM
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
Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, SpO2, VO2max
Touch Screen
3D Touch
Weather Resistance
5ATM + IP68
5ATM
5 ATM water resistance (50 m)
Wireless Charging
WPC-based wireless charging
Performance
Battery Life
40 hours
Up to 12 days
18 h
Durability
MIL-STD-810G
Memory | Capacity
1.5 GB
1 GB
Storage
16 GB
16 MB
32 GB
Production
Availability
2020-09-18
Debut
2021-08-11
2020-06
2020-09-15
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