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[dvHW] Intel Larrabee has 32 Pentium-based cores? - Page 4

post #31 of 63
Quote:
Originally Posted by RussianGrimmReaper View Post
The GTX 280 uses about 200w at load dude, that's 83%
147W in vantage, last time i read.
post #32 of 63
Quote:
Originally Posted by ChielScape View Post
147W in vantage, last time i read.
post #33 of 63
There are more strenuous loads than Vantage.

FurMark gets my GPU significantly hotter.

Anyway, some more Larrabee info: http://arstechnica.com/articles/paed...s-larrabee.ars

Quote:
Originally Posted by Cheetos316 View Post
If the cores are the same Pentium cores as the ones the C2Ds are based on
No.

Pentium based implies something like this:

Pentium -> Larrabee.

Not this:

Pentium -> P6 (P-Pro, PII, PIII) -> Core -> Core 2.

but...

Quote:
Originally Posted by pauldovi View Post
I believe the major reason everyone keeps on referring it to the Pentium is because they are in-order.
Probably. Also, relatively few and short pipelines.
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post #34 of 63
Quote:
Originally Posted by pauldovi View Post
I believe the major reason everyone keeps on referring it to the Pentium is because they are in-order.

2 TFLOPS with x86 will be big.
Sounds like 32 'Atom' processors glued together. Yeah at 2 TFLOPS x86, even if it fails as a graphics card people will find uses for it. Nvidia's Tesla product is probably in the most danger.
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post #35 of 63
It's all about the architecture and the drivers.
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post #36 of 63
Quote:
Originally Posted by LegendaryC View Post
I don't believe Nvidia will have to "Open a can of woop-ass" on Intel. Intel will manage to open the can all by themselves.
Correction, nVidia failed to open a can of whoop-ass, and Intel has the whole crate ready to open from what it looks like at this point.
    
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post #37 of 63
Quote:
Originally Posted by RussianGrimmReaper View Post
The GTX 280 uses about 200w at load dude, that's 83%
Is this total system power or just the video card?
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post #38 of 63
Don't forget guys, GPU are all about parallel processing. The 4870 has 800 SP which each act as their own core. I so highly doubt Laurabee will be able to compete with current GPU despite their FLOPs. A few things to consider : What memory are they using? How are they going to deal with the memory controller? How will they incorporate DirectX (or OpenGL?) What memory interface (then again the architectures are so different....) and many more questions. I just don't think this sort of approach will work at all.
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post #39 of 63
Quote:
Originally Posted by Licht View Post
Don't forget guys, GPU are all about parallel processing. The 4870 has 800 SP which each act as their own core. I so highly doubt Laurabee will be able to compete with current GPU despite their FLOPs. A few things to consider : What memory are they using? How are they going to deal with the memory controller? How will they incorporate DirectX (or OpenGL?) What memory interface (then again the architectures are so different....) and many more questions. I just don't think this sort of approach will work at all.
A bigger number of SP does not mean it is better. It appears that Larrabee doesn't have SP's, it has fully functional processors, something that the ATI or Nvidia cards don't have.
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post #40 of 63
Quote:
Originally Posted by pauldovi View Post
A bigger number of SP does not mean it is better. It appears that Larrabee doesn't have SP's, it has fully functional processors, something that the ATI or Nvidia cards don't have.
The SP subject wasn't saying it not having SP was a bad thing. I was meaning to draw a comparison in core count. The 4870 has 800 cores clocking close to 1GHZ (rounding off for sake of comparison.) Laurabee has a mere 32 cores at 2GHZ. Power per clock is of course a big factor when making this comparison, remember that the Pentium had support for DDR1/2 whereas the 4870 has GDDR5. The 4870 is highly optimized for graphics, Laurabee is a central processing system which is horrifically bad at graphical data that has been modified to make it good at graphics? The concept in itself sounds very shaky.
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