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i3 2100 and GPU bottlenecking question.

post #1 of 22
Thread Starter 
Basically at what GPU would I reach a major bottleneck with this CPU?

Could it push a 6990 in games? GTX460? GTS450? GTX580? I read some reviews and it seems it keeps up with much better older CPU's, but it really didn't compare GPU's paired with CPU's in different games in the review.

Can anyone with some first hand experience comment?
post #2 of 22
Does not bottleneck my GTX 470 at all, thanks to the hyperthreading - but I suspect it may be a bit of a problem on dual-GPU cards or SLI.
post #3 of 22
depends on which game, game/graphic settings, resolution, ...
     
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post #4 of 22
I don't really see how you could afford pairing a $700 6990 with an i3, but that's just me.

I'd say even SLI'd 460/560/560 Ti's wouldn't bottleneck it, or it would be very little. SLI 450's are a bit of a joke (my i3 can keep them well fed with data, but maybe it's because i've OC'd it), and i think single 470/480/570/580's will work perfectly. Any other high SLI config, or high end dual GPU cards (exceptions can be the GTX 460 2WIN and the 5870x2) would bottleneck it.

Sincerely, i'd spend the extra money and get an i5 2400 (if you don't plan to OC, if you do the 2500k is damned worth it) if you want to get a high end GPU config.
Edited by Starbomba - 10/2/11 at 1:54pm
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post #5 of 22
Thread Starter 
Quote:
Originally Posted by Starbomba View Post
I don't really see how you could afford pairing a $700 6990 with an i3, but that's just me.

I'd say even SLI'd 460/560/560 Ti's wouldn't bottleneck it, or it would be very little. SLI 450's are a bit of a joke (my i3 can keep them well fed with data, but maybe it's because i've OC'd it), and i think single 470/480/570/580's will work perfectly. Any other high SLI config, or high end dual GPU cards (exceptions can be the GTX 460 2WIN and the 5870x2) would bottleneck it.

Sincerely, i'd spend the extra money and get an i5 2400 (if you don't plan to OC, if you do the 2500k is damned worth it) if you want to get a high end GPU config.
What evidence do you base this on? I wish I could find a review that actually tested one of these SB dual cores with a high end multi-GPU card. CPU vs CPU they have been shown to blast previous generation quad core i5's and they kept up with AMD's hexa core offerings.

Quote:
Originally Posted by Partol View Post
depends on which game, game/graphic settings, resolution, ...
Let's say Metro 2033 at 2560x1600 all high with a 6990... all stock settings. Compared to an i5 2500K OC'd to 4GHz. I would be highly interested in this testing bed.
Edited by Segovax - 10/2/11 at 2:04pm
post #6 of 22
SB i3 = Dual core with L3 cache of 3MB shared.
SB i5 = Quad core with L3 cache of 6MB shared.

95% of modern games are only coded for dual core. I'm using i3 2100 with GTX460 and I can play many games at ease. Even games like FSX is no problem at high graphics settings.

If i5 does not bottleneck GTX590 or Radeon HD6990, I highly doubt i3 will.
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post #7 of 22
Have you seen the i3 benches? SB i3 performance isn't that far from Clarkie i3 (stock speed), but they have a huge handicap: they cannot be OC'd (at most you can get a 10% boost from increasing the BCLK 10 MHz, but that is not guaranteed). Any Clarkie i3 worth it's salt can reach at least 4 GHz on cheap cooling (like a 212+) and beat a SB i3 in clock-by-clock, hence keeping a video card better fed with data, thus lessering/eliminating bottlenecks.

Hell, Clarkies are no slouches even for gaming, main reason i bought one instead of an i5/i7. Here are some benches comparing a i7 920 with and without HT to an i3 w/HT. Gotta see those results

I really doubt you will see those kind of extreme benches. If you have the money to splurge on a 6990 or GTX 590's/ SLI'd GTX 580's, you gotta have the money for a 2500k (it is not that expensive anyways). I'd love to see them as well though.

A 4 GHz i5 2500k can destroy any actual processor and still be cool enough, plus you can OC it even higher.
Edited by Starbomba - 10/2/11 at 2:31pm
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post #8 of 22
Thread Starter 
Quote:
Originally Posted by Starbomba View Post
Have you seen the i3 benches? SB i3 performance isn't that far from Clarkie i3 (stock speed), but they have a huge handicap: they cannot be OC'd (at most you can get a 10% boost from increasing the BCLK 10 MHz, but that is not guaranteed). Any Clarkie i3 worth it's salt can reach at least 4 GHz on cheap cooling (like a 212+) and beat a SB i3 in clock-by-clock, hence keeping a video card better fed with data, thus lessering/eliminating bottlenecks.

Hell, Clarkies are no slouches even for gaming, main reason i bought one instead of an i5/i7. Here are some benches comparing a i7 with and without HT to an i3 w/HT. Gotta see those results

I really doubt you will see those kind of extreme benches. If you have the money to splurge on a 6990 or GTX 590's/ SLI'd GTX 580's, you gotta have the money for a 2500k (it is not that expensive anyways). I'd love to see them as well.
Thanks for the information. It was planned to go in a MITX board, that's why I was thinking SB i3... I don't think it can handle an i5 2500K let alone OC it.

It's a Giada MI-H67-01.
post #9 of 22
Maybe your update path should be a non-K i5, like the 2300/2400/2500. Killer performance, 4 true cores, and still a decent price. Plus it should be cool enough to fir a mITX build without aftermarket coolers and 4 cores are better than 2 with HT. As you won't be OCing them, same benches from before apply, and the stock i5-2500k does give the i3 a pounding.
Edited by Starbomba - 10/2/11 at 2:48pm
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post #10 of 22
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Quote:
Originally Posted by Starbomba View Post
Maybe your update path should be a non-K i5, like the 2300/2400/2500. Killer performance, 4 true cores, and still a decent price. Plus it should be cool enough to fir a mITX build without aftermarket coolers and 4 cores are better than 2 with HT. As you won't be OCing them, same benches from before apply, and the stock i5-2500k does give the i3 a pounding.
It might work in this board!

Pretty decent VRM setup.
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