Polar V800 vs. Apple Watch vs. Casio WSD-F20A vs. Polar A370 vs. Apple Watch Series 4

 
V800
Watch
WSD-F20A
A370
Watch Series 4
 PolarV800Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$470$349$399$179.95$329
Release20142015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days18 hours1 dayUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320160 x 80384 x 480
Sizen/a1.5 inches or 1.65 inches1.32 inches1.18 inches1.78 inches
Touch
Typen/aAMOLEDLCDTFT LCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMWR30Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSWatch OS 5
Apps
Music

All Wearables