Garmin Forerunner 225 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Fitbit Charge

 
Forerunner 225
Alta
Watch Series 2
G-Shock GBA800
Charge
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$300$130$269$120$130
Release20152016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days18 hours2 years7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a340 x 272 or 390 x 312NA
Size1 inchn/a1.5 inches or 1.65 inchesNA
Touchn/aNA
Typen/aOLEDAMOLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATM20 ATM1 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/aWatch OSNA
Appsn/a
Musicn/a

All Wearables