Amazfit Arc vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. LG G Watch R vs. Apple Watch 7

 
Arc
WSD-F20A
Watch Series 4
G Watch R
Watch 7
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowLGG Watch RRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$69.99$399$329$300$429
Release20162018201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 dayNot Yet2 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320384 x 480320 x 320396 x 484
Size0.42 inches1.32 inches1.78 inches1.3 inches1.9 inches
Touch
TypeOLEDLCDMicroLEDP-OLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMNot YetIP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatch OS 5Android WearWatchOS 8
Apps
Music

All Wearables