Garmin Vivoactive vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Charge

 
Vivoactive
Flex 2
WSD-F20A
645 Music
Charge
 GarminVivoactiveRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$250$100$399$450$130
Release20152016201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days1 day7 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution205 x 148n/a320 x 320240 x 240NA
Size1.38 inchesn/a1.32 inches1.2 inchesNA
Touchn/aNA
TypeLCDLEDLCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables