Polar M600 vs. Xiaomi Mi Band 2 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Apple Watch 8

 
M600
Mi Band 2
Grayson
Charge HR
Grayson
Watch 8
 PolarM600Remove Buy NowXiaomiMi Band 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$330$23$350$150$350$499
Release201620162018201520182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2 days20 hours24 hours5 days24 hours18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454NA453x454340 x 272 or 390 x 312
Size1.3 inches0.42 inches1.39 inchesNA1.39 inches1.5 inches or 1.65 inches
Touchn/aNA
TypeTFTOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP671 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid WearWatchOS 9
Apps
Music

All Wearables