Motorola Moto 360 Sport vs. Pebble Steel vs. Polar M400 vs. Asus ZenWatch vs. Amazfit T-Rex

 
Moto 360 Sport
Steel
M400
ZenWatch
T-Rex
 MotorolaMoto 360 SportRemove Buy NowPebbleSteelRemove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$199$150$200$150$140
Release20162014201420142019

Activity & Fitness

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

Battery

Durationn/a5-7 days8 hours to 30 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144n/a320 x 320360 x 360
Size1.37 inches1.26 inchesn/a1.63 inches1.3 inches
Touch
TypeLCDe-papern/aAMOLEDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/a5 ATM3 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearPebble OSn/aAndroid WearBuild-in
Apps
Musicn/a

All Wearables