Update: Developer Wanam has confirmed on Twitter that the code responsible for the "boosting" behavior has been removed in the Android 4.4 ROMs for both the Note 3 and Galaxy S4.

@AndroidPolice I can confirm. the package "com.sec.android.app.twdvfs" was removed from Samsung Android Kitkat builds #GalaxyS4 #GalaxyNote3

— Wanam (@WanamXda) March 4, 2014

Months after the Galaxy S4 was released last year, allegations began surfacing from Anandtech that Samsung was essentially "gaming" its devices' CPU and GPU benchmark scores by leaving cores at "full throttle" when such benchmarking applications were launched.