Compare Apple Watch Series 7 vs Apple Watch Series 6 vs Mi Smart Band 6
Variants
Aluminium
Stainless Steel
41 mm
45 mm
40 mm
44 mm
Connectivity
Ports
Magnetic Connector
Magnetic Connector
Wireless Connectivity
Bluetooth 5.0, WiFi 4, NFC
Bluetooth 5.0 LE, WiFi 4, NFC
Bluetooth 5.0
Construction
Battery | Capacity
125 mAh
Cable
1 m Magnetic charging cable
1 m Magnetic charging cable
Colors
Aluminium: Silver, Gold, Space Gray, Blue, Red / Stainless Steel: Silver, Graphite (DLC), Gold (PVD)
Material
Stainless steel or Aluminum case, Ceramic or Sapphire Crystal back, Sapphire Glass front
Stainless steel, Aluminum, Ceramic
Aluminum alloy
Motor
Rotor haptic motor
Speakers
Yes
Dimensions
Bezels
1.7 mm
Size | Depth
10.7 mm / 0.42"
10.4 mm
12.7 mm
Size | Height
47.4 mm
Size | Width
18.6 mm
Weight
12.8 g
Display
Brightness
1000 nits
1000 nits
450 nits
Display Diagonal
1.78 in
1.56 inch
Display Type
OLED
OLED, w/ Sapphire Crystal
OLED (AMOLED), 2.5D reinforced glass and AF coating
Pixel Density
326 ppi
Resolution
152 x 486
Function
Bluetooth Profiles
A2DP, LE
Chipset
Apple S7
Apple S6 Dual Core
Fast Charging
Yes
Yes
GPS
GPS, A-GPS, GLONASS, GALILEO, QZSS, BDS
Yes
Graphics
PowerVR
Operating System
watchOS 8.0
WatchOS 7
Processor
Dual core
SIM
eSIM
ESIM
Sensor
Accelerometer, gyro, heart rate (3rd gen), barometer, always-on altimeter, compass, SpO2, VO2max
Accelerometer, Altimeter, Barometer, Compass, ECG, Gyroscope, Heart Rate, Light Sensor, Pulse Oximeter
6-axis sensor: Low power-consumption 3-axis accelerometer and 3-axis gyroscope PPG heart rate sensor
Touch Screen
3D Touch
3D Touch
Weather Resistance
IP6X dust + WR50 water
5 ATM water resistance (50 m)
5 ATM waterproofing
Performance
Battery Life
Up to 18 h
Up to 18 h
14 days
Charging Time
1.5 h
1.5 h
Memory | Capacity
1 GB
1 GB
Storage
32 GB
32 GB
Production
Availability
2021-10
2020-09-18
Debut
2021-09-14
2020-09-15
2021-03-29
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