Garmin Vivoactive vs. Garmin Vivoactive HR vs. Garmin 645 Music vs. Jawbone UP2 vs. Amazfit T-Rex

 
Vivoactive
Vivoactive HR
645 Music
UP2
T-Rex
 GarminVivoactiveRemove Buy NowGarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$250$450$100$140
Release20152016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days13 hours to 8 days7 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148148 x 205240 x 240NA360 x 360
Size1.38 inches1.38 inches1.2 inchesNA1.3 inches
TouchNA
TypeLCDn/aMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMSplash resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables