Re: 8800 gts vs gtx
The way I see it, is that the S is a downclocked version of it's faster GT brother. When they add an S to the GT, it's basically an overclock of the GT. Then when they add the X, it's the flagship card of the whole series. The Ultra would be like the extreme addition to the series. The addition of the X, would apply to both Nvidia and ATi cards, making it the flagship of that series. The PRO is similar to the GTS, in which it's like an overclock of the GT.
I don't know if that made complete sense, but I tried.
3770K | ASUS STRIX GTX 1080 | DDR3-1600 16GB | CORSAIR 650D | CORSAIR HX 850W | CORSAIR H100 | SOUND BLASTER Z | ASROCK EXTREME4 GEN3