Apple Watch Series 2 vs. Huawei Watch 2 vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Fitbit Charge HR

 
Watch Series 2
Watch 2
G-Shock GBA800
Alta HR
Charge HR
 AppleWatch Series 2Remove Buy NowHuaweiWatch 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$269$350$120$150$150
Release20162017201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours48 hours2 years7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312480 x 480128 x 36NA
Size1.5 inches or 1.65 inches1.38 inches1.4 inchesNA
TouchNA
TypeAMOLEDP-OLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIP6820 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid Wear 2NA
Apps
Music

All Wearables