Fitbit Alta vs. Apple Watch Series 2 vs. Apple Watch vs. Casio G-Shock GBA800 vs. Apple Watch Series 4

 
Alta
Watch Series 2
Watch
G-Shock GBA800
Watch Series 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$269$349$120$329
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours18 hours2 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 312340 x 272 or 390 x 312384 x 480
Sizen/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIPX720 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWatch OSWatch OS 5
Apps
Music

All Wearables