Garmin Vivomove vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Amazfit T-Rex vs. HTC re Grip

 
Vivomove
645 Music
Vivofit 4
T-Rex
re Grip
 GarminVivomoveRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$450$79.95$140$199
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year7 days1 year20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 24088 x 88360 x 360160 x 32
Sizen/a1.2 inchesNA1.3 inches1.8 inches
Touchn/a
Typen/aMIPNAAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATMIP57

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aBuild-inNA
Apps
Music

All Wearables