Samsung Gear S vs. TomTom Touch vs. Casio WSD-F20A vs. Fitbit Charge vs. Amazfit GTR

 
Gear S
Touch
WSD-F20A
Charge
GTR
 SamsungGear SRemove Buy NowTomTomTouchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$130$399$130$199
Release20132016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days1 day7-10 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a320 x 320NA454 x 454
Size2 inches0.91 inches1.32 inchesNA1.39 inches
TouchNA
TypeSuper AMOLEDn/aLCDOLEDAMOLED

Functions

Audio Speaker
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSNABuild-in
Apps
Music

All Wearables