Polar V800 vs. Samsung Gear S3 vs. Fitbit Charge 2 vs. Sony SmartBand vs. Amazfit T-Rex

 
V800
Gear S3
Charge 2
SmartBand
T-Rex
 PolarV800Remove Buy NowSamsungGear S3Remove Buy NowFitbitCharge 2Remove Buy NowSonySmartBandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$350$150$100$140
Release20142016201620142019

Activity & Fitness

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

Battery

Duration13 hours to 30 days4 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

ColorNA
Resolutionn/a360 x 360n/aNA360 x 360
Sizen/a1.3 inchesn/aNA1.3 inches
Touchn/aNA
Typen/aFullcolor AODOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68n/aIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aNABuild-in
Apps
Music

All Wearables