Fitbit Alta vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Apple Series 6

 
Alta
Watch Series 2
ZenWatch
G-Shock GBA800
Series 6
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$269$150$120$399
Release20162016201420182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA2 yearsNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320384 x 480
Sizen/a1.5 inches or 1.65 inches1.63 inches40mm
Touchn/a
TypeOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5ATMIP5520 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearWatchOS 5
Apps
Music

All Wearables