Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple SE

 
Alta
Grayson
Alta HR
Grayson
T-Rex
SE
 FitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$130$350$150$350$140$279
Release201620182017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days24 hours20 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454128 x 36453x454360 x 360384 x 480
Sizen/a1.39 inches1.4 inches1.39 inches1.3 inches40mm
Touchn/a
TypeOLEDAMOLEDOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistancen/a1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-inWatchOS 5
Apps
Music

All Wearables