Fitbit Charge 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Charge 2
Ionic
G-Shock GBA800
Forerunner 45
Vivosmart 4
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$299$120$199$130
Release20162017201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days2 years7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250208 x 20848 x 128
Sizen/a1.421.04 inches0.74 inches
Touchn/a
TypeOLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuilt-in
Apps
Music

All Wearables