Amazfit Arc vs. Fitbit Alta HR vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Arc
Alta HR
Flex
Vivosmart 3
T-Rex
 AmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$69.99$150$100$139.99$140
Release20162017201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40128 x 36NA64 x 128360 x 360
Size0.42 inches1.4 inchesNANA1.3 inches
TouchNA
TypeOLEDOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-in
Apps
Music

All Wearables