Motorola Moto 360 (2nd Gen) vs. Fitbit Charge vs. Fitbit Charge 3 vs. Amazfit GTR vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
Charge
Charge 3
GTR
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$130$150$199$140
Release20152014201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days7-10 days7 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330NA66 x 18454 x 454360 x 360
Size1.37 inches or 1.56 inchesNA.721 inches1.39 inches1.3 inches
TouchNA
TypeLCDOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANABuild-inBuild-in
Apps
Musicn/a

All Wearables