Polar M600 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Sony SmartBand vs. Garmin VivoActive 4

 
M600
WSD-F20A
Alta HR
SmartBand
VivoActive 4
 PolarM600Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowSonySmartBandRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$399$150$100$349
Release20162018201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day7 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240320 x 320128 x 36NA260 x 260
Size1.3 inches1.32 inches1.4 inchesNA1.3ionches
Touchn/aNA
TypeTFTLCDOLEDNAMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSNAWear OS
Apps
Music

All Wearables