Speculation on Crossfire 2.0

D

DevilsRejection

Newcomer
Seriously for those of us who use high end monitors that do 1600x1200 at 85 Hz or even 100 Hz this itteration of crossfire literally blows chunks.

why is it that they simply can't transfer information thru the pci express bus?

why are pople mockingn nVidia for the dongle idea. It's simple and damned it works lol.

So my question is what features in the next version of crossfire would you like to see and how long until the next version of crossfire is out.

don't even get me started about ati's latest chipset. it overclocks great, stable as hell, but the performance isn't up to snuff, a long with the feature set. this is a 3d board tho so i won't debate that. just discuss the next version of crossfire and how you think ati could/should fix the current issues on it.
 
DevilsRejection said:
Seriously for those of us who use high end monitors that do 1600x1200 at 85 Hz or even 100 Hz this itteration of crossfire literally blows chunks.
Click to expand...

A limitation of the x800 cards, not the r5xx cards as I understand it.

why is it that they simply can't transfer information thru the pci express bus?
Click to expand...

Too slow.

why are pople mockingn nVidia for the dongle idea. It's simple and damned it works lol.

So my question is what features in the next version of crossfire would you like to see and how long until the next version of crossfire is out.

don't even get me started about ati's latest chipset. it overclocks great, stable as hell, but the performance isn't up to snuff, a long with the feature set. this is a 3d board tho so i won't debate that. just discuss the next version of crossfire and how you think ati could/should fix the current issues on it.
Click to expand...

r520s on crossfire likely fixes your issue.
 
AlphaWolf said:
A limitation of the x800 cards, not the r5xx cards as I understand it.
Click to expand...

could you link me up with information where you saw that?

Karma Police said:
Nice profile! You work out?

Seriously, though. CF 2.0 might be upon us in just a few days.
Click to expand...


I especially want to know where you heard that tid bit
 
DevilsRejection,

By Crossfire 2.0 I assume he means the r5xx implementation. iirc it allows up to 2048x1536 @ 70 hz or thereabouts.

I think the info was posted on these forums in one of the r520 threads... good luck finding it. :oops: ;)
 
The X1xx series support up to 2560x1600. Crossfire on the X800s is limited to 1600x1200 because of the SI TMDS transmitter they used.

You can read more here.
 
ANova said:
The X1xx series support up to 2560x1600. Crossfire on the X800s is limited to 1600x1200 because of the SI TMDS transmitter they used.

You can read more here.
Click to expand...

ok maybe im blind but where in fact does it say that the X1XX series is fixed.

Something to definitely consider though is that we have no idea what the R520 CrossFire cards will be using, and they could very well be designed with the 1171.

That is merely speculation. I am asking about fact.
 
Last edited by a moderator:
Am I the only one who hopes that, because ATI is claiming 95% efficiency with X1800..

that Crossfire based on the R520 will actually come close to getting close to 100% increase, when another board is added?

Or is this just pie in the sky ;)
 
demonic said:
Am I the only one who hopes that, because ATI is claiming 95% efficiency with X1800..

that Crossfire based on the R520 will actually come close to getting close to 100% increase, when another board is added?

Or is this just pie in the sky ;)
Click to expand...
Pie in the sky, based on how current consumer multi-GPU systems interact with each other. Have a good read of Wavey's SLI and Crossfire articles, familiarise yourself with the modes and CPU limitations inherent to each and you'll come up with a different conclusion.

While pixel processing efficiency plays a part, the complexities in having two chips render the same stuff means there's wider scope for other shit to stick its oar in and reduce the performance increase you can see.
 
These slides make me happy:

cf19hm.jpg


cf28ge.jpg


No one diss hkepc.com i can't read the language but pictures and graphs are universal. They usually have the best benchs too.
 
Interview with David Nalasco of ATI:

http://www.tbreak.com/reviews/article.php?cat=edit&id=408&pagenumber=1

We think that as we continue to optimize how much data we want to send over- one example is for SuperAA. If you know that you’re using the card in Super Anti-Aliasing mode you only really have to send data from the slave card that is on the edges of objects so you can send that using a lot less (bandwidth). That’s an example of the type of thing we can do. But you can (only) do that on (some) cases- you can’t do that on other cases.

Jawed
 
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