Polar V800 vs. Samsung Gear S2 vs. Garmin Vivofit 3 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
V800
Gear S2
Vivofit 3
Vivosmart 4
T-Rex
 PolarV800Remove Buy NowSamsungGear S2Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$300$100$130$140
Release20142015201620182019

Activity & Fitness

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

Battery

Duration13 hours to 30 days2-3 days1 year7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 36064 x 6448 x 128360 x 360
Sizen/a1.2 inches0.55 inches0.74 inches1.3 inches
Touch
Typen/aSuper AMOLEDn/aOLEDAMOLED

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/aBuild-in
Apps
Music

All Wearables