Samsung Gear S2 vs. TomTom Touch vs. Casio WSD-F20A vs. Fitbit Charge vs. Xiaomi Mi Band 4

 
Gear S2
Touch
WSD-F20A
Charge
Mi Band 4
 SamsungGear S2Remove Buy NowTomTomTouchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$130$399$130$25
Release20152016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days1 day7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a320 x 320NA120x240
Size1.2 inches0.91 inches1.32 inchesNA0.95 inches
TouchNA
TypeSuper AMOLEDn/aLCDOLEDAMOLED

Functions

Audio Speaker
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSNAAMAZFIT OS
Apps
Music

All Wearables