Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Huawei Band 3 Pro

 
Flex 2
WSD-F20A
645 Music
Grayson
Grayson
Band 3 Pro
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$100$399$450$350$350$70
Release201620182018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days24 hours24 hours12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240453 x 454453x454454 x 454
Sizen/a1.32 inches1.2 inches1.39 inches1.39 inches1.39 inches
Touchn/a
TypeLEDLCDMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables