Fitbit Alta vs. Fitbit Charge 2 vs. Amazfit Cor vs. Amazfit GTS vs. Amazfit T-Rex

 
Alta
Charge 2
Cor
GTS
T-Rex
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAmazfitCorRemove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$150$79.99$150$140
Release20162016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a80 x 160348 x 442360 x 360
Sizen/an/a1.23 inches1.65 inches1.3 inches
Touchn/an/a
TypeOLEDOLEDIPS LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables