nVidia: New ones (and old) filter-cheat
 

Apparent thus both manufacturers operate still intensive research work in the efficiency increase of the anisotropic filter. According to our estimates nVidia here momentarily the nose has in front, however those, by whose GPU Design caused, makes Parallelisierbarkeit lacking of SAM polarizing and aluminum clocks this advantage again destroyed. So a needing anistrope filtering can block several SAM polarizing clocks already once the remaining arithmetic units with nVidia maps. ATI does not have due to the decoupled ALUs this problem and makes a few additionally existing SAM polarizing clocks for one, resulting inevitably from their AF logic, over filtering too uses in such a way, without of it the computing speed would be negatively impaired.