Amazfit Arc vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple Watch Series 4

 
Arc
WSD-F20A
Forerunner 235
Flex
Watch Series 4
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$69.99$399$299.99$100$329
Release20162018201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day9 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320215 x 180NA384 x 480
Size0.42 inches1.32 inches1.23 inchesNA1.78 inches
TouchNA
TypeOLEDLCDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWatch OS 5
Apps
Music

All Wearables