Microsoft Band 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit GTR vs. Amazfit T-Rex

 
Band 2
Loop 2
ZenWatch 3
GTR
T-Rex
 MicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$120$229$199$140
Release20152015201720192019

Activity & Fitness

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

Battery

Duration48 hours (without GPS)8 days (without notifications)48 hours24 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128n/a400 x 400454 x 454360 x 360
Size1.36 inchesn/a1.39 inches1.39 inches1.3 inches
Touch
TypeCapacitative TFTLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Build-inBuild-in
Apps
Music

All Wearables