Polar V800 vs. Samsung Gear S2 vs. Garmin Vivosmart HR vs. Samsung Gear Fit2 Pro vs. Amazfit T-Rex

 
V800
Gear S2
Vivosmart HR
Gear Fit2 Pro
T-Rex
 PolarV800Remove Buy NowSamsungGear S2Remove Buy NowGarminVivosmart HRRemove Buy NowSamsungGear Fit2 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$300$170$199.99$140
Release20142015201520172019

Activity & Fitness

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

Battery

Duration13 hours to 30 days2-3 days5 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360160 x 68216 x 432360 x 360
Sizen/a1.2 inches1.08 inches1.5 inches1.3 inches
Touch
Typen/aSuper AMOLEDn/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aTizen OSBuild-in
Apps
Music

All Wearables