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[TR] ATI R770 to have 800 sp? - Page 4

post #31 of 59
Quote:
Originally Posted by RussianGrimmReaper View Post
Quote:
Originally Posted by jinja_ninja View Post
So 800 unified shaders = 160 stream processors?

Using the 800/5 method.
Basically. It's like having 5 160 core procs.
I think it's 10x80, or 10x(16x5), but not 5 160

You have 800 unified shaders/stream processors.
Every single stream processor can handle 6(5 math and 1 branch) instructions per clock.
A group of 16 SP is a cluster.
A group of 5 clusters or 80 SP is a SIMD array. (Don't be confused of the 5D math instructions and the 5 clusters .. they are different things)
RV670 has 4 SIMD arrays.

RV770 would have 10 SIMD arrays. (10 x 80)
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post #32 of 59
Quote:
Originally Posted by metala View Post
I think it's 10x80, or 10x(16x5), but not 5 160

You have 800 unified shaders/stream processors.
Every single stream processor can handle 6(5 math and 1 branch) instructions per clock.
A group of 16 SP is a cluster.
A group of 5 clusters or 80 SP is a SIMD array. (Don't be confused of the 5D math instructions and the 5 clusters .. they are different things)
RV670 has 4 SIMD arrays.

RV770 would have 10 SIMD arrays. (10 x 80)
And if the prior numbers were correct? Please explain how that would work with 480 SP, I'm very interested as I did not know things like that before.
post #33 of 59
Quote:
Originally Posted by Mhill2029 View Post
I was talking about performance against Nvidia. ATI uses more than double what Nvidia uses and still Nvidia take the lead. Bizarre...
Also, ATI needed to make the 3870X2, which is two GPU's..........

To beat the 1 year old 8800GTX
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post #34 of 59
Quote:
Originally Posted by The_Rocker View Post
Also, ATI needed to make the 3870X2, which is two GPU's..........

To beat the 1 year old 8800GTX
The HD3870x2 beats the 8800Ultra, not just the GTX

Sorry, that's just the fan boy in me gloating.
post #35 of 59
Ugh, we don't just want a die shrink on the G92...
    
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post #36 of 59
Quote:
Originally Posted by Mhill2029 View Post
I was talking about performance against Nvidia. ATI uses more than double what Nvidia uses and still Nvidia take the lead. Bizarre...
Its how the cards work, the stream processors on AMD cards are far more complex and the whole GPU is built with using them in mind. nVidia cards are designed differently, thats just how they work.

Please maintain professionalism.
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post #37 of 59
Quote:
Originally Posted by RussianGrimmReaper View Post
Basically. It's like having 5 160 core procs.
you mean 160 5 core procs
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post #38 of 59
Quote:
Originally Posted by Erwin_Rommel View Post
you mean 160 5 core procs
Nevermind, you're right... sorta.
post #39 of 59
didnt the ultra with 128SPs beat the 2900 that has 320SPs
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post #40 of 59
Quote:
Originally Posted by G|F.E.A.D|Killa View Post
didnt the ultra with 128SPs beat the 2900 that has 320SPs
The 8800GTS 640 was on par much of the time with the 2900XT...if that answers your question, lol.
    
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