Fitbit Charge 2 vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Apple Series 6

 
Charge 2
Watch Series 2
WSD-F20A
Charge
Series 6
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$269$399$130$399
Release20162016201820142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours1 day7-10 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320NA384 x 480
Sizen/a1.5 inches or 1.65 inches1.32 inchesNA40mm
Touchn/aNA
TypeOLEDAMOLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNAWatchOS 5
Apps
Music

All Wearables