Garmin Vivoactive vs. Mobvoi TicWatch 2 vs. Garmin 645 Music vs. Polar Loop vs. Amazfit T-Rex

 
Vivoactive
TicWatch 2
645 Music
Loop
T-Rex
 GarminVivoactiveRemove Buy NowMobvoiTicWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$199$450$100$140
Release20152017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days1.5-2 Days7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148400 x 400240 x 240NA360 x 360
Size1.38 inches1.4 inches1.2 inchesNA1.3 inches
Touch
TypeLCDOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP655 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTicwear OSNABuild-in
Apps
Music

All Wearables