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[Xbit] ATI and Nvidia Defend Own Approaches to High-End Graphics Solutions - Page 2

post #11 of 34
Quote:
Originally Posted by trueg50 View Post
Originally, however Nvidia knew that it wouldn't scale too well, and just wasn't really necessary, or worthwhile. Or they couldn't do it with G80 / G92 for a while, either way we didn't see it for the last gen of cards.

While multi core is the future of CPU's, GPU's are already so heavily mutlithreaded, that adding more doesn't really have the impact that adding more CPU's does. Though programmers are getting better at this, Crossfire / SLI support really needs to be programmed.
You've got it totally wrong man...

Adding CPU cores has almost no benefits, look at some Dual Vs quad charts, in many cases the dual cores even beat out the quad cores.

Crossfire and SLI scale WAY better than adding CPU cores, on average a 50% increase in speed is seen by adding a second GPU die.

And as soon as they figure out a way to trick applications into thinking that (for example, my 3870x2) two 320sp cores are actually one monolithic 640sp core.... BAM! instant 100% scaling with multiple GPU cores.

I for one think multiple GPUs is the way of the future, because I think single GPU cores are eventually going to hit a ceiling, much like intel did in the MHZ war
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post #12 of 34
Quote:
Originally Posted by HugeDink View Post
You've got it totally wrong man...

Adding CPU cores has almost no benefits, look at some Dual Vs quad charts, in many cases the dual cores even beat out the quad cores.

Crossfire and SLI scale WAY better than adding CPU cores, on average a 50% increase in speed is seen by adding a second GPU die.

And as soon as they figure out a way to trick applications into thinking that (for example, my 3870x2) two 320sp cores are actually one monolithic 640sp core.... BAM! instant 100% scaling with multiple GPU cores.

I for one think multiple GPUs is the way of the future, because I think single GPU cores are eventually going to hit a ceiling, much like intel did in the MHZ war
First off, 100% scaling is not at all possible, so adding 2x 320sp GPU's won't work like that.

Also, multithreading is in the App. Look at rendering, not at game performance for a view of what mutlithreaded apps can do.

Developers have to work hard to utilize multiple GPU's. multi-GPU configurations can have issues in certain games as well.

CPU's are handled to a degree by the Operating system, which is why when I look at my core utilization with Vista and a ton of things up, it is 3-5% across all cores (each one fluctuating a little) as opposed to 1 core running at 25%.
    
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post #13 of 34
That just tells you what Nvidia true intentions were with the GX2, $ and a benchmark king.
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post #14 of 34
Quote:
Originally Posted by grunion View Post
That just tells you what Nvidia true intentions were with the GX2, $ and a benchmark king.
which it did neither really well.
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post #15 of 34
Quote:
Originally Posted by NCspecV81 View Post
which it did neither really well.
Not for $600
It's the exact same thing they pulled with the 7950GX2, people fell for it again.
Maybe next time Nvidia pulls this crap, people will scoff at them.
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post #16 of 34
Quote:
Originally Posted by trueg50 View Post
First off, 100% scaling is not at all possible, so adding 2x 320sp GPU's won't work like that.
Says Who?

Once they stick two GPUs on one die like the PD or Core 2 Quad, and have shared memory (4870x2 already does) having two gpus really wont be much different than having one big one, and the inherent multithreaded nature of video games will only make it easier to adopt.

Quote:
Also, multithreading is in the App. Look at rendering, not at game performance for a view of what mutlithreaded apps can do.

Developers have to work hard to utilize multiple GPU's. multi-GPU configurations can have issues in certain games as well.
Thats the beauty of it, Multithreading has to be written in for each and every application Devs make, which makes them work much harder, and skyrockets the production costs, which is something companies don't like doing, which means you wont see it happening often.

But SLI/Crossfire on the other hand is handled by Nvidia and ATI (Both of whom have great incentive to make it work well), so as soon as they have it down, its good for pretty much every game, except for those troublesome few...
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post #17 of 34
Quote:
Originally Posted by HugeDink View Post
Says Who?

Once they stick two GPUs on one die like the PD or Core 2 Quad, and have shared memory (4870x2 already does) having two gpus really wont be much different than having one big one, and the inherent multithreaded nature of video games will only make it easier to adopt.
Wont that be just one big GPU then cause if you can have two 100SP GPU's on one die why not just a 200SP GPU
post #18 of 34
Quote:
Originally Posted by Lt.JD View Post
Wont that be just one big GPU then cause if you can have two 100SP GPU's on one die why not just a 200SP GPU
Because its cheaper and easier to slap two GPUs (or CPUs) on one die, rather than redesigning a larger more complex die

Intel is proof of that.
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post #19 of 34
I think AMD's bad financial situation could actually help them, as it forces them to be more creative than Nvidia.

Nvidia just keeps making things bigger and hungrier to keep the performance crown. Like the big Muscle cars of the 60's and 70's. I think ATi will eventually come out with a creative design to take back the performance crown without adding 1,000,000,000 transistors and 1,000 stream processors.
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post #20 of 34
Quote:
Originally Posted by HugeDink View Post
You've got it totally wrong man...

Adding CPU cores has almost no benefits, look at some Dual Vs quad charts, in many cases the dual cores even beat out the quad cores.

Crossfire and SLI scale WAY better than adding CPU cores, on average a 50% increase in speed is seen by adding a second GPU die.
You're comparing Quad-to-dual-core CPUs, but single-dual GPUs? Look at the gains going from a single core to a dual-core CPU, especially when doing 3D renders.
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