Fitbit Alta vs. Fitbit Charge 2 vs. Garmin Chronos vs. Amazfit T-Rex

 
Alta
Charge 2
Chronos
T-Rex
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowGarminChronosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$150$1500$140
Release2016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a218 x 218360 x 360
Sizen/an/a1.2 inches1.3 inches
Touchn/an/a
TypeOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables