Polar M600 vs. Polar V800 vs. Sony SmartWatch 3 vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
M600
V800
SmartWatch 3
Versa 2
T-Rex
 PolarM600Remove Buy NowPolarV800Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$470$250$199$140
Release20162014201420192019

Activity & Fitness

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

Battery

Duration2 days13 hours to 30 days2 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a320 x 320300 x 300360 x 360
Size1.3 inchesn/a1.6 inches1.34 inches1.3 inches
Touchn/a
TypeTFTn/aTFT LCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearBuild-inBuild-in
Apps
Music

All Wearables