Garmin Vivosmart HR vs. Samsung Gear Sport vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit T-Rex

 
Vivosmart HR
Gear Sport
Alta HR
A370
T-Rex
 GarminVivosmart HRRemove Buy NowSamsungGear SportRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$299.99$150$179.95$140
Release20152017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days7 daysUp to 3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68360 x 360128 x 36160 x 80360 x 360
Size1.08 inches1.2 inches1.4 inches1.18 inches1.3 inches
Touch
Typen/aSuper AMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSBuild-in
Apps
Music

All Wearables