Samsung Gear S2 vs. Polar M430 vs. Casio WSD-F20A vs. Sony SmartBand vs. Apple Watch 7

 
Gear S2
M430
WSD-F20A
SmartBand
Watch 7
 SamsungGear S2Remove Buy NowPolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowSonySmartBandRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$255$399$100$429
Release20152017201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days30 hours1 day5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 360128x128320 x 320NA396 x 484
Size1.2 inches1.4 inch1.32 inchesNA1.9 inches
TouchNA
TypeSuper AMOLEDLCDLCDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68WR305 ATMIP58water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSNAWatchOS 8
Apps
Music

All Wearables