Samsung Gear S vs. Apple Watch Series 2 vs. Garmin Forerunner 935 vs. Casio WSD-F20A

 
Gear S
Watch Series 2
Forerunner 935
WSD-F20A
 SamsungGear SRemove Buy NowAppleWatch Series 2Remove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$250$269$500$399
Release2013201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a18 hoursUp to 2 weeks1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360340 x 272 or 390 x 312240 x 240320 x 320
Size2 inches1.5 inches or 1.65 inches1.2 inches1.32 inches
Touch
TypeSuper AMOLEDAMOLEDLCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWatch OSWear OS
Apps
Music

All Wearables