It's 2GB only for cayman.

6870/6850 is 5D shaders, and cayman is 4D shaders.

So maybe the 1536 rumour is true, but the number is not very important, because you can't compare to an old ATI/AMD gpu. The thing i can be sure, that my estimation about cayman will be corect.

I say cayman will be 35 to 40% faster than cypress. ( XT to XT. ) Pro will be different i think, and a i believe it's gonna be lower.

The thing the most important is not the number of shader but the improvement about the weaks of cypress and bart. That's i wait a lot for.

The thing that would be very nice, is a portal 2 key in package, and amazing, a software that do HD video high speed encoding with multipass, and high number of settings.

I think a lot of gamers here have some TB/s of video data, and don't have time to covert one file, after one file. Just select a folder and convert in high speed with good quality.

I have a lot of old file in old codecs, and i would like use much more advanced codec to lower the file sizes without loss or a very small.