Apple Watch vs. Casio WSD-F20A vs. Garmin Chronos vs. Polar Loop vs. Amazfit T-Rex

 
Watch
WSD-F20A
Chronos
Loop
T-Rex
 AppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$399$1500$100$140
Release20152018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day8 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320218 x 218NA360 x 360
Size1.5 inches or 1.65 inches1.32 inches1.2 inchesNA1.3 inches
Touch
TypeAMOLEDLCDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM10 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSWear OSNABuild-in
Apps
Music

All Wearables