Microsoft Band 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Amazfit GTR

 
Band 2
ZenWatch
G-Shock GBA800
645 Music
GTR
 MicrosoftBand 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$150$120$450$199
Release20152014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)NA2 years7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128320 x 320240 x 240454 x 454
Size1.36 inches1.63 inches1.2 inches1.39 inches
Touch
TypeCapacitative TFTAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP5520 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearBuild-in
Apps
Music

All Wearables