Samsung Gear S2 vs. Polar A360 vs. Polar M430 vs. Casio WSD-F20A vs. Garmin 645 Music

 
Gear S2
A360
M430
WSD-F20A
645 Music
 SamsungGear S2Remove Buy NowPolarA360Remove Buy NowPolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$200$255$399$450
Release20152015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days12 days30 hours1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360160 x 80128x128320 x 320240 x 240
Size1.2 inches1.18 inches1.4 inch1.32 inches1.2 inches
Touch
TypeSuper AMOLEDn/aLCDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68WR30WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OS
Apps
Music

All Wearables