Motorola Moto 360 (2nd Gen) vs. Amazfit Arc vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Moto 360 (2nd Gen)
Arc
WSD-F20A
Watch Series 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$300$69.99$399$329
Release2015201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days20 days1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 33072 x40320 x 320384 x 480
Size1.37 inches or 1.56 inches0.42 inches1.32 inches1.78 inches
Touch
TypeLCDOLEDLCDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP675 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSWatch OS 5
Apps
Musicn/a

All Wearables