Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Apple Watch vs. Casio WSD-F20A vs. Garmin 645 Music

 
Charge 2
Vivosmart HR
Watch
WSD-F20A
645 Music
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$150$170$349$399$450
Release20162015201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68340 x 272 or 390 x 312320 x 320240 x 240
Sizen/a1.08 inches1.5 inches or 1.65 inches1.32 inches1.2 inches
Touchn/a
TypeOLEDn/aAMOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWear OS
Apps
Music

All Wearables