Apple Watch Series 2 vs. Amazfit Bip vs. Casio WSD-F20A vs. Garmin Vivofit 4 vs. Apple Watch Series 4

 
Watch Series 2
Bip
WSD-F20A
Vivofit 4
Watch Series 4
 AppleWatch Series 2Remove Buy NowAmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$269$99.99$399$79.95$329
Release20162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours30 days1 day1 yearNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312176 x 176320 x 32088 x 88384 x 480
Size1.5 inches or 1.65 inches1.28 inches1.32 inchesNA1.78 inches
Touch
TypeAMOLEDNALCDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIP685 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSWatch OS 5
Apps
Music

All Wearables