Polar M600 vs. Polar V800 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. HTC re Grip

 
M600
V800
G-Shock GBA800
645 Music
re Grip
 PolarM600Remove Buy NowPolarV800Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$470$120$450$199
Release20162014201820182020

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days13 hours to 30 days2 years7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240160 x 32
Size1.3 inchesn/a1.2 inches1.8 inches
Touchn/a
TypeTFTn/aMIPPMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATM20 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables