Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Flex vs. Polar A370 vs. Michael Kors Grayson vs. Huawei Band 2

 
Cor
Grayson
Flex
A370
Grayson
Band 2
 AmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$79.99$350$100$179.95$350$69.99
Release201820182013201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days24 hours5 daysUp to 3 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution80 x 160453 x 454NA160 x 80453x454128 x 32
Size1.23 inches1.39 inchesNA1.18 inches1.39 inches0.91 inches
TouchNA
TypeIPS LCDAMOLEDLEDTFT LCDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid Wear
Apps
Music

All Wearables