Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Mobvoi TicWatch C2 vs. Amazfit T-Rex

 
WSD-F20A
Grayson
Flex
Grayson
TicWatch C2
T-Rex
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch C2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$350$100$350$200$140
Release201820182013201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours5 days24 hours2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NA453x454360 x 360360 x 360
Size1.32 inches1.39 inchesNA1.39 inches1.3 inches1.3 inches
TouchNA
TypeLCDAMOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNAAndroid WearWear OSBuild-in
Apps
Music

All Wearables