Apple Watch Series 2 vs. Apple Watch vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Alta HR

 
Watch Series 2
Watch
ZenWatch
WSD-F20A
Alta HR
 AppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$269$349$150$399$150
Release20162015201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hoursNA1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 320320 x 320128 x 36
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.63 inches1.32 inches1.4 inches
Touch
TypeAMOLEDAMOLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIPX7IP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatch OSWatch OSAndroid WearWear OS
Apps
Music

All Wearables