Site Title

Compare Samsung Galaxy Watch 4 [40 mm] vs Mi Smart Band 6 vs Oppo Band [Band Style]

Price

MSRP
249 USD
45 EUR
Offers (incl. referral links)

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
125 mAh
100 mAh
Colors
Black, Green, Silver
Black, Vanilla
Material
Aluminum case + Corning Gorilla Glass with DX+ display cover
Aluminum alloy
2.5D glass front + plastic back
Motor
Rotor haptic motor

Dimensions

Size | Depth
9.8 mm
12.7 mm
11.45 mm
Size | Height
40.4 mm
47.4 mm
40.4 mm
Size | Width
39.3 mm
18.6 mm
17.6 mm
Weight
25.9 g
12.8 g
10.3 g

Display

Brightness
450 nits
Display Diagonal
1.2" / 30.4 mm
1.56 inch
1.1"
Display Type
OLED (Super AMOLED), Full Color Always On Display, Corning Gorilla Glass DX
OLED (AMOLED), 2.5D reinforced glass and AF coating
AMOLED (OLED)
Gamut
100% DCI-P3
Pixel Density
326 ppi
Resolution
396 x 396
152 x 486
294x126

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
6-axis sensor: Low power-consumption 3-axis accelerometer and 3-axis gyroscope PPG heart rate sensor
3-axis acceleration sensor, optical heart rate sensor, optical SpO2 sensor
Weather Resistance
5ATM + IP68
5 ATM waterproofing
5ATM
Wireless Charging
WPC-based wireless charging

Performance

Battery Life
40 hours
14 days
Up to 12 days
Durability
MIL-STD-810G
Memory | Capacity
1.5 GB
Storage
16 GB
16 MB

Production

Debut
2021-08-11
2021-03-29
2020-06
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