Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Pebble Core vs. Apple Watch Series 4

 
Watch Series 2
WSD-F20A
Charge HR
Core
Watch Series 4
 AppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$269$399$150$99$329
Release20162018201520162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration18 hours1 day5 daysNANot Yet
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320NANA384 x 480
Size1.5 inches or 1.65 inches1.32 inchesNANA1.78 inches
TouchNANA
TypeAMOLEDLCDOLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM1 ATMNANot Yet

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatch OSWear OSNANAWatch OS 5
Apps
Music

All Wearables