Polar M400 vs. Polar V800 vs. Xiaomi Mi Band 2 vs. Asus ZenWatch vs. Garmin Chronos

 
M400
V800
Mi Band 2
ZenWatch
Chronos
 PolarM400Remove Buy NowPolarV800Remove Buy NowXiaomiMi Band 2Remove Buy NowAsusZenWatchRemove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$200$470$23$150$1500
Release20142014201620142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days20 hoursNA8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 320218 x 218
Sizen/an/a0.42 inches1.63 inches1.2 inches
Touch
Typen/an/aOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP67IP5510 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aAndroid WearWear OS
Apps
Music

All Wearables