Motorola Moto 360 (2nd Gen) vs. Fitbit Alta vs. Garmin 645 Music vs. Jawbone UP2 vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
Alta
645 Music
UP2
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$130$450$100$140
Release20152016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days5 days7 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a240 x 240NA360 x 360
Size1.37 inches or 1.56 inchesn/a1.2 inchesNA1.3 inches
Touchn/aNA
TypeLCDOLEDMIPNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATMSplash resistant5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
Musicn/a

All Wearables