Garmin Fenix 3 vs. Pebble Time Round vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex

 
Fenix 3
Time Round
Vivofit 4
Vivosmart HR Plus
T-Rex
 GarminFenix 3Remove Buy NowPebbleTime RoundRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$200$79.95$179$140
Release20152015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks2 days1 year5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a88 x 88160 x 68360 x 360
Size1.2 inchesroundNA0.5 inches x 0.8 inches1.3 inches
Touch
TypeChroma LEDe-paperNALCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSNABuild-in
Apps
Music

All Wearables