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

 
Vivosmart
Vivosmart HR
Alta HR
Vivosmart 3
T-Rex
 GarminVivosmartRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$170$150$139.99$140
Release20142015201720172019

Activity & Fitness

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

Battery

Duration7 days5 days7 days5 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
Resolution128 x 16160 x 68128 x 3664 x 128360 x 360
Size1.41 inches1.08 inches1.4 inchesNA1.3 inches
Touch
TypeOLEDn/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables