Fitbit Surge vs. Polar M400 vs. Xiaomi Mi Band 2 vs. Apple Watch vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Surge
M400
Mi Band 2
Watch
Grayson
Grayson
 FitbitSurgeRemove Buy NowPolarM400Remove Buy NowXiaomiMi Band 2Remove Buy NowAppleWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$23$349$350$350
Release201620142016201520182018

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days20 hours18 hours24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a340 x 272 or 390 x 312453 x 454453x454
Size1.26 inchesn/a0.42 inches1.5 inches or 1.65 inches1.39 inches1.39 inches
Touch
TypeMonochrome LCDn/aOLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP67IPX71 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OSAndroid WearAndroid Wear
Apps
Music

All Wearables