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

 
Gear S
Alta
Vivosmart HR Plus
A370
T-Rex
 SamsungGear SRemove Buy NowFitbitAltaRemove Buy NowGarminVivosmart HR PlusRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$179$179.95$140
Release20132016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 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
Resolution480 x 360n/a160 x 68160 x 80360 x 360
Size2 inchesn/a0.5 inches x 0.8 inches1.18 inches1.3 inches
Touchn/a
TypeSuper AMOLEDOLEDLCDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATMWR305 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNABuild-in
Apps
Music

All Wearables