Polar M600 vs. Sony SmartWatch 3 vs. Xiaomi Mi Band 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
M600
SmartWatch 3
Mi Band 2
Grayson
Grayson
Watch 7
 PolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowXiaomiMi Band 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$250$23$350$350$429
Release201620142016201820182021

Activity & Fitness

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

Battery

Duration2 days2 days20 hours24 hours24 hours18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320n/a453 x 454453x454396 x 484
Size1.3 inches1.6 inches0.42 inches1.39 inches1.39 inches1.9 inches
Touchn/a
TypeTFTTFT LCDOLEDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP68IP671 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/aAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables