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Realistically, what performance can we expect from bulldozer?

post #1 of 28
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anyone have any intelligent assumptions they would like to put out?

i'm not talking about intel chips vs AMD chips here, more of the gap it will make between it and the current phenom line. What will make it perform better? the fact that it is a new architecture or the fact the its smaller and hence will produce less heat enabling better frequencies?

how much or percentage increase could one expect going from an x6 1100t to a 6 core bulldozer?
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post #2 of 28
we can expect it to be better than thuban tongue.gif

by how much? i have no idea but it better be by a large margin

EDIT: both the architecture change and dye shrink will contribute to better performance
EDIT2: with the information that we can confirm, we really don't have any way to make intelligent assumptions regarding it's performance
Edited by badatgames18 - 5/8/11 at 6:24am
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post #3 of 28
Quote:
Originally Posted by th3illusiveman;13427657 
anyone have any intelligent assumptions they would like to put out?

i'm not talking about intel chips vs AMD chips here, more of the gap it will make between it and the current phenom line. What will make it perform better? the fact that it is a new architecture or the fact the its smaller and hence will produce less heat enabling better frequencies?

how much or percentage increase could one expect going from an x6 1100t to a 6 core bulldozer?

Well... The jump between SB and the previous Intel architecture was impressive.

I expect AMD to do better. The advantage comes mainly from the architecture - we won't see 4Ghz stock Bulldozer (I think).
Architecture seems to play really major role, and it has been somewhat neglected for the past generations, simply due to the headroom in frequencies and core count.
But now that it is a challenge to reach 4Ghz, and is a challenge to fit 8 cores on a single chip, architecture becomes increasingly important.

My bet would be 1.5x to 2x performance gain over PhII for the same freq and core count. +greater OCability.
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post #4 of 28
I'm expecting high performance but those high hopes may be crushed by Intel with their new TriGate tech they're integrating into Ivy Bridge.
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post #5 of 28
Faster clock for clock that Nehalem by 5-10%. That will still put it behind Sandy, but close enough that the extra cores will make it appealing. Of course, they have to get the price right. With that IPC boost, I'd expect the 6 core FX to score about the same as the 2600K (HT on) in a benchmark that uses all available cores efficiently (i.e. Cinebench). That would get AMD back in that game at the ultra high end.
post #6 of 28
I think the performance is going to be a huge leep as far as synthetic scores go. As for as every day use, I can't think of anything coded to take advantage of 8 or 10 cores. I honestly think most of the BD's power will be masked by the fact it wont be able utilized.

As far as how fast it is, well, I expect it to par with Sandy Bridge. I would rather see AMD strive to produce a faster quad core. Programs are just being coded to take advantage of quad cores.

Im sure BD will smoke Intel's scores on synthetic benchmarks merely because of the extra cores, which means nothing on for users with everyday tasks and gaming.
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post #7 of 28
Single threaded performance will be dramatically increased thanks to power gating, and the new turbo mode. The 8 core Zambezi should out perform Intel's 2600k in nearly (if not all) tests.

The increased IMC speed of 1866 should help Bulldozer tremendously versus the 1600 IMC that Sandy Bridge has. XOP instructions, and FMA instructions are also something AMD has that Intel doesn't (yet). But most people won't notice these instructions.
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post #8 of 28
Power gating is probably only meant for stock, I can't see BD clocking to 4.6GHz on all cores, then power gating to 5Ghz, unless 5Ghz was achievable in the first place.

I just want to see the single thread per clock performance vs sandy, then compare max overclocks.

Everything else (including power gating) is for non overclockers.
    
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post #9 of 28
Is the 4, 6 and 8 core FX Series, (4100, 6100 and 8100) processors something different from bulldozer, or are they bulldozer?
    
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post #10 of 28
Quote:
Originally Posted by BallaTheFeared;13432604 
Everything else (including power gating) is for non overclockers.

Which are lesser creatures biggrin.gif
We'll see. All I want is BD to be well placed on the price scale - AMD don't really need to reclaim the hi-end throne IMO.
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