Samsung Gear S vs. Fitbit Alta vs. Garmin Vivosmart HR vs. Polar M430 vs. Amazfit T-Rex

 
Gear S
Alta
Vivosmart HR
M430
T-Rex
 SamsungGear SRemove Buy NowFitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowPolarM430Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$170$255$140
Release20132016201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days30 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a160 x 68128x128360 x 360
Size2 inchesn/a1.08 inches1.4 inch1.3 inches
Touchn/a
TypeSuper AMOLEDOLEDn/aLCDAMOLED

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/an/aBuild-in
Apps
Music

All Wearables