Casio WSD-F20A vs. Michael Kors Grayson vs. Jawbone UP24 vs. LG G Watch R vs. Michael Kors Grayson vs. Amazfit T-Rex

 
WSD-F20A
Grayson
UP24
G Watch R
Grayson
T-Rex
 CasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP24Remove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$350$130$300$350$140
Release201820182013201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours14 days2 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NA320 x 320453x454360 x 360
Size1.32 inches1.39 inchesNA1.3 inches1.39 inches1.3 inches
TouchNA
TypeLCDAMOLEDNAP-OLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMSplash ResistantIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNAAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables