Polar M600 vs. Casio G-Shock GBA800 vs. Fitbit Charge HR vs. HTC re Grip vs. Apple Watch 8

 
M600
G-Shock GBA800
Charge HR
re Grip
Watch 8
 PolarM600Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy NowHTCre GripRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$330$120$150$199$499
Release20162018201520202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 years5 days5 hours to 2.5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240NA160 x 32340 x 272 or 390 x 312
Size1.3 inchesNA1.8 inches1.5 inches or 1.65 inches
Touchn/aNA
TypeTFTOLEDPMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX820 ATM1 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAWatchOS 9
Apps
Music

All Wearables