ATI Radeon HD 4000 Series discussion

[cadaveca]

Well, GDDR5 can use different trace lengths to memory chips, which I'm sure you know. If the shared frame buffer rumor is true I'm guessing that the trace lengths between a memory chip and the two RV770s will need to be equal, but even then board design should probably be less complex and have less layers if the memory placement is good.

Yep, you are think as I am...trace length from one gpu to mem to next gpu might have to stay the same, or one gpu will always get "priority". I do forsee a way around this, but it's not good for cooling, imho, so who knows. It's a techinical challenge that should be shouted from the mountaintops if they pull it off...as they should have patents for such that would prevent nVidia from ever pulling off the same thing...making ATI king of dual gpus.


But since R300 ATI gpu's have been capable of multi-rendering(renderbeast), so they have far more experience in this field, with products in the marketplace far longer than NV has...so I will put nothing past them.



But let me say this much...R600 was reviewed as having UVD...even some reviews posted results of UVD(which were completely faked)...but no card actually was capable. Today this review is still posted in this fashion...which makes me wonder about AMD's rumour control...everything out in the public domain right now is just rumour, IMHO, and ones I helped start aren't gonna get much attention from me.

So what; this very thread started 28 March 2008, in it you'll find several times 499 speculated, this in response to Xello.

No, I was just poniting out that thier info need to be taken with a grain of salt, as does all other info.


I mean really, perfect example is GTX260/280 release prices...they were supposed to be what? And are actually how much more? It's just speculation in that article, as where the specs they listed, the prices, and everything else. That article is far too old to have any real info other than stuff purposely leaked to find holes in NDAs.

They even hype split clock domains...

"Our sources"....in other words, the info was not from ATI/AMD.