Garmin Fenix 3 vs. Polar M400 vs. Xiaomi Mi Band 2 vs. Polar M430 vs. Apple Watch 7

 
Fenix 3
M400
Mi Band 2
M430
Watch 7
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowXiaomiMi Band 2Remove Buy NowPolarM430Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$500$200$23$255$429
Release20152014201620172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration50 hours to 6 weeks8 hours to 30 days20 hours30 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/an/a128x128396 x 484
Size1.2 inchesn/a0.42 inches1.4 inch1.9 inches
Touch
TypeChroma LEDn/aOLEDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATMIP67WR30water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatchOS 8
Apps
Music

All Wearables