Polar M600 vs. Fitbit Charge 2 vs. Garmin Vivofit 4 vs. HTC re Grip vs. Apple Watch 8

 
M600
Charge 2
Vivofit 4
re Grip
Watch 8
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$330$150$79.95$199$499
Release20162016201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1 year5 hours to 2.5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a88 x 88160 x 32340 x 272 or 390 x 312
Size1.3 inchesn/aNA1.8 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeTFTOLEDNAPMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNAWatchOS 9
Apps
Music

All Wearables