Garmin Forerunner 225 vs. Xiaomi Mi Band 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Forerunner 225
Mi Band 2
Ionic
Grayson
A370
Grayson
 GarminForerunner 225Remove Buy NowXiaomiMi Band 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$23$299$350$179.95$350
Release201520162017201820172018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks20 hours4+ days24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250453 x 454160 x 80453x454
Size1 inch0.42 inches1.421.39 inches1.18 inches1.39 inches
Touch
Typen/aOLEDOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6750m1 ATMWR301 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables