Amazfit Arc vs. Casio WSD-F20A vs. Motorola Moto 360 (1st Gen) vs. Polar Loop vs. Apple Watch Series 4

 
Arc
WSD-F20A
Moto 360 (1st Gen)
Loop
Watch Series 4
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$69.99$399$150$100$329
Release20162018201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day1 day5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320320 x 260NA384 x 480
Size0.42 inches1.32 inches1.56 inchesNA1.78 inches
Touch
TypeOLEDLCDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP672 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNAWatch OS 5
Apps
MusicNA

All Wearables