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ATI's R580 has 16 pipelines but 48 Pixel Shader units

post #1 of 18
Thread Starter 
http://theinquirer.net/?article=28341

Thats insane...
Very nice!
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Very nice!
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post #2 of 18
Quote:
Originally Posted by J3r3my
Blah.. I dont trust Inquirer at all anymore; theyve gotten so many things wrong in the past few months about things.. I dont consider them reliable IMO anymore.
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post #3 of 18
Thread Starter 
Ive heard similar things on other sites...even on Wikipedia.
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Very nice!
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post #4 of 18
Wikipedia is user made, and we all now how well "Fudo" went.. It may have 48 shaders.. But I seriously doubt it.
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post #5 of 18
What's the difference between pipes and pixel shaders?
Not bad at all...
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Not bad at all...
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post #6 of 18
mmmm, they used to correlate heavily but i guess if atis put in 48 shaders then it kinda changes things.... a pixel pipeline is basically a single thread in which a pixel is rendered and shaded (i think, someone help me here), it used to be with ati that 16 pipes = 16 shader operations done per cycle (or Hz). Now, ATi seems to have changed that a bit and essentially made a chip that could do 48 shader ops per cycle..... so if you clocked that at the same frequencies as an x1800xt you'd get 3x more shader ops clock for clock compared to the former...
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post #7 of 18
Ive heard similar stuff around the net. Evidently, each pipeline can process 3 pixels per clock, making a total throughput of 48 pixels per clock. An amazingly efficient architecture.
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post #8 of 18
Quote:
Originally Posted by HrnyGoat
Ive heard similar stuff around the net. Evidently, each pipeline can process 3 pixels per clock, making a total throughput of 48 pixels per clock. An amazingly efficient architecture.
Well, I know im still not trusting it.. Its used to be everwhere that the R580 had 32 pipes, but no.. Thats changed. Used to be the G80 that was to counter the R580, nope.. G71. Were kept out of the loop!
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post #9 of 18
In any case, ATI should be giving out some information in a few weeks, hopefully.
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post #10 of 18
Quote:
Originally Posted by HrnyGoat
In any case, ATI should be giving out some information in a few weeks, hopefully.
Yeah.. Kinda strange though because both ATI and Nvidia said they were having 32 piped cards; yet ATI changed that for some reason and Nvidia is using a different core
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