Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Apple Watch 8

 
Alta
Charge 2
Watch Series 2
G-Shock GBA800
Watch 8
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$150$269$120$499
Release20162016201620182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours2 years18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312340 x 272 or 390 x 312
Sizen/an/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5ATM20 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSWatchOS 9
Apps
Music

All Wearables