Apple Watch Series 3 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Garmin Forerunner 235

 
Watch Series 3
Watch Series 2
Ionic
WSD-F20A
Forerunner 235
 AppleWatch Series 3Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$329$269$299$399$299.99
Release20172016201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours4+ days1 day9 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312348x250320 x 320215 x 180
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.421.32 inches1.23 inches
Touch
TypeAMOLEDAMOLEDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Watch OSFitbit OSWear OS
Apps
Music

All Wearables