Amazfit Cor vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Flex vs. Amazfit GTR

 
Cor
Watch
WSD-F20A
Flex
GTR
 AmazfitCorRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$79.99$349$399$100$199
Release20182015201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days18 hours1 day5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution80 x 160340 x 272 or 390 x 312320 x 320NA454 x 454
Size1.23 inches1.5 inches or 1.65 inches1.32 inchesNA1.39 inches
TouchNA
TypeIPS LCDAMOLEDLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSNABuild-in
Apps
Music

All Wearables