Samsung Gear S vs. Samsung Gear S3 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Casio WSD-F20A

 
Gear S
Gear S3
Alta
Watch Series 2
WSD-F20A
 SamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$250$350$130$269$399
Release20132016201620162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Durationn/a4 days5 days18 hours1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution480 x 360360 x 360n/a340 x 272 or 390 x 312320 x 320
Size2 inches1.3 inchesn/a1.5 inches or 1.65 inches1.32 inches
Touchn/a
TypeSuper AMOLEDFullcolor AODOLEDAMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68n/a5ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenTizenn/aWatch OSWear OS
Apps
Music

All Wearables