Fitbit Alta vs. Asus ZenWatch vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
ZenWatch
Grayson
Gear 2
Grayson
T-Rex
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$150$350$300$350$140
Release201620142018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 daysNA24 hours2-3 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320453 x 454320 x 320453x454360 x 360
Sizen/a1.63 inches1.39 inches1.63 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDSuper AMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATMIP671 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearTizen OSAndroid WearBuild-in
Apps
Music

All Wearables