Polar M600 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Amazfit T-Rex vs. HTC re Grip

 
M600
ZenWatch 3
ZenWatch
T-Rex
re Grip
 PolarM600Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$229$150$140$199
Release20162017201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days48 hoursNA20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240400 x 400320 x 320360 x 360160 x 32
Size1.3 inches1.39 inches1.63 inches1.3 inches1.8 inches
Touchn/a
TypeTFTAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP555 ATMIP57

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearAndroid Wear 2Android WearBuild-inNA
Apps
Music

All Wearables