Samsung Gear S vs. Samsung Gear S2 vs. Casio WSD-F20A vs. Apple Watch 7

 
Gear S
Gear S2
WSD-F20A
Watch 7
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$250$300$399$429
Release2013201520182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days1 day18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution480 x 360360 x 360320 x 320396 x 484
Size2 inches1.2 inches1.32 inches1.9 inches
Touch
TypeSuper AMOLEDSuper AMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenWear OSWatchOS 8
Apps
Music

All Wearables