Fitbit Surge vs. Fitbit Charge 2 vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Amazfit GTR

 
Surge
Charge 2
WSD-F20A
Watch Series 4
GTR
 FitbitSurgeRemove Buy NowFitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$150$399$329$199
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 dayNot Yet24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320384 x 480454 x 454
Size1.26 inchesn/a1.32 inches1.78 inches1.39 inches
Touchn/a
TypeMonochrome LCDOLEDLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatch OS 5Build-in
Apps
Music

All Wearables