Fitbit Flex 2 vs. Amazfit Cor vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
Flex 2
Cor
Grayson
Forerunner 45
Grayson
Mi Band 4
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$79.99$350$199$350$25
Release201620182018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days24 hours7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160453 x 454208 x 208453x454120x240
Sizen/a1.23 inches1.39 inches1.04 inches1.39 inches0.95 inches
Touchn/a
TypeLEDIPS LCDAMOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuilt-inAndroid WearAMAZFIT OS
Apps
Music

All Wearables