Fitbit Alta vs. Casio G-Shock GBA800 vs. Fossil Explorist vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
G-Shock GBA800
Explorist
Grayson
Grayson
T-Rex
 FitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowFossilExploristRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$120$255$350$350$140
Release201620182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years24 hours24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x454453 x 454453x454360 x 360
Sizen/a1.4 inches1.39 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATMIP671 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables