Garmin Vivosmart HR vs. Garmin 645 Music vs. Fitbit Charge HR vs. Garmin Vivofit 4 vs. HTC re Grip

 
Vivosmart HR
645 Music
Charge HR
Vivofit 4
re Grip
 GarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$170$450$150$79.95$199
Release20152018201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days1 year5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68240 x 240NA88 x 88160 x 32
Size1.08 inches1.2 inchesNANA1.8 inches
TouchNA
Typen/aMIPOLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables