Garmin Vivoactive vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Amazfit GTR vs. HTC re Grip

 
Vivoactive
Charge 2
645 Music
GTR
re Grip
 GarminVivoactiveRemove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$150$450$199$199
Release20152016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/a240 x 240454 x 454160 x 32
Size1.38 inchesn/a1.2 inches1.39 inches1.8 inches
Touchn/a
TypeLCDOLEDMIPAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inNA
Apps
Music

All Wearables