ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit Alta vs. Xiaomi Mi Band 2 vs. Casio G-Shock GBA800

 
ZenWatch 2
M400
Alta
Mi Band 2
G-Shock GBA800
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowXiaomiMi Band 2Remove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$150$200$130$23$120
Release20162014201620162018

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days5 days20 hours2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/an/a
Size1.63 inches or 1.45 inchn/an/a0.42 inches
Touchn/a
TypeAMOLEDn/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMn/aIP6720 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Music

All Wearables