Garmin Vivosmart HR vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Flex vs. HTC re Grip

 
Vivosmart HR
G-Shock GBA800
645 Music
Flex
re Grip
 GarminVivosmart HRRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$170$120$450$100$199
Release20152018201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years7 days5 days5 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 240NA160 x 32
Size1.08 inches1.2 inchesNA1.8 inches
TouchNA
Typen/aMIPLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables