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help me put this argument to rest

post #1 of 6
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my sig rig Q9550 vs 4GHz 955 BE on an am3 board, would both of them bottleneck a sli 470 setup? with the SAME amount of bottleneck?
 
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post #2 of 6
Neither of them would bottle neck, you might see a bottleneck on SLi580's but overclock to 3.6 and you're laughing.

Comps
post #3 of 6
I'm on the same CPU as you with half the cores AND less the FSB and it doesn't seem to bottleneck my similar/slightly faster GPU, but for SLI I don't know.

The Phenom II is very close to a Core 2 Wolfdale clock for clock, maybe ever so slightly behind overall, but so close that it's more or less the same for him as it is you.

So, overall, yeah, it'd be "about the same".
post #4 of 6
Quote:
Originally Posted by srsparky32 View Post
my sig rig Q9550 vs 4GHz 955 BE on an am3 board, would both of them bottleneck a sli 470 setup? with the SAME amount of bottleneck?
It depends on what you mean by bottleneck. If you replaced your CPU with a 2600K, you would both definitely see gains.

If your chip and a 955 BE have the same bottleneck, they should be getting the exact same framerates. Whether this is the case or not, I have no idea.
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post #5 of 6
You're never going to get agreement on this.

The Q will be faster than the 955 BE, and that's the only concrete info you're going to have here. If you have CPU-limited games that are into the 30-40FPS at your given resolution/quality on your 4.0 Q9, then you should look at SB.

Every system has a "bottleneck". Some games make the CPU the bottleneck and others the GPU in the SAME system.

You'll never get an answer theoretically debating this. What matters are your framerates.
Edited by 2thAche - 4/28/11 at 6:19am
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post #6 of 6
If you get less FPS than the fastest CPU its a bottleneck.

In which case in many games you will bottleneck, in many games you will not.

Going SLI is a no go.
    
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