Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Amazfit Cor vs. Amazfit GTR vs. Amazfit T-Rex

 
Flex 2
Vivosmart HR
Cor
GTR
T-Rex
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAmazfitCorRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$170$79.99$199$140
Release20162015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 6880 x 160454 x 454360 x 360
Sizen/a1.08 inches1.23 inches1.39 inches1.3 inches
Touchn/a
TypeLEDn/aIPS LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inBuild-in
Apps
Music

All Wearables