Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Pebble Core vs. Xiaomi Mi Band vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
M400
Core
Mi Band
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPebbleCoreRemove Buy NowXiaomiMi BandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$200$99$15$140
Release20152014201620152019

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 daysNA30 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 325 or 360 x 330n/aNANA360 x 360
Size1.37 inches or 1.56 inchesn/aNANA1.3 inches
TouchNANA
TypeLCDn/aNANAAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMNAIP675 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aNANABuild-in
Apps
Musicn/a

All Wearables