Garmin Vivosmart vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Polar A370 vs. Apple Series 6

 
Vivosmart
WSD-F20A
Alta HR
A370
Series 6
 GarminVivosmartRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$170$399$150$179.95$399
Release20142018201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day7 daysUp to 3 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16320 x 320128 x 36160 x 80384 x 480
Size1.41 inches1.32 inches1.4 inches1.18 inches40mm
Touch
TypeOLEDLCDOLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5
Apps
Music

All Wearables