Fitbit Alta vs. Apple Watch vs. Casio G-Shock GBA800 vs. Garmin Chronos vs. Amazfit T-Rex

 
Alta
Watch
G-Shock GBA800
Chronos
T-Rex
 FitbitAltaRemove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminChronosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$349$120$1500$140
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours2 years8 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312218 x 218360 x 360
Sizen/a1.5 inches or 1.65 inches1.2 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX720 ATM10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWear OSBuild-in
Apps
Music

All Wearables