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2500k vs i3 2100 Folding Performance Questions

post #1 of 6
11/5/12 at 2:08pm
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Hi, I'm planning out a new Folding build for a dedicated 24/7 folder, and I'm trying to keep it energy and cost efficient. thumb.gif

Anyway, I'm kind of thinking of either going for an i3 (I'm looking at a 2100 currently) or an i5 2500k. The 2500k is around $100 more than the i3's, but for performance would I be better off with it, or would an i3 be close enough to it performance wise, for $100 less? It'd be great if we could get some owners of these chips to post their PPD and WU/per day as well, just to see a comparison. Thanks if you can help me. smile.gif
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post #2 of 6
11/5/12 at 2:21pm
I would concentrate more on GPU performance than CPU for a folding rig. I would use the saving on the CPU to get a better GPU. Just my 2cents.gif I doubt that you'd see that much of a PPD difference with a 2500k over a 2100 but you'd see a PPD difference with a better GPU
Edited by K62-RIG - 11/5/12 at 2:23pm
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post #3 of 6
11/5/12 at 2:23pm
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Quote:
Originally Posted by K62-RIG View Post

I would concentrate more on GPU performance than CPU for a folding rig. I would use the saving on the CPU to get a better GPU. Just my 2cents.gif
I'd like it to be power efficient as well though. The higher end NVIDIA cards are taking 150-175W, which running 24/7 costs some big $$$ for power. If I can get the processor to do a decent job, then I'd be happy.

I would like the possibility to add a GPU into the build later, maybe when they release GPU's that are high performance, yet take 75W (that'll take a few years lol).
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post #4 of 6
11/5/12 at 3:40pm
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Well here's a little update:

I've found if I pair a 2100 and a GTX 650, the total power consumption is only about 120W, which isn't too bad.

What do you guys think? If I combo the processor with a nice mobo (Asrock Z68 PRO3 GEN3) the combined price of the two is $205. Also, the GPU costs around $160, which isn't horrible, but it's still enough. wink.gif

Anybody know how the 650 does performance wise in Folding? If it's like the higher end 6xx, bringing in 100k PPD or around there, I'd be extremely pleased. wink.gif
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post #5 of 6
11/5/12 at 8:20pm
currently it is more energy efficient to fold cpu only.

the difference in ppd output between the i3 2100 and the i5 2500k is quite a bit if you are overclocking like you should. biggrin.gif

my brothers i3 will produce around 6k ppd avg, if i recall correctly. a 2500k could net you over 15k ppd easy in windows and more in linux. all depends on your overclock.
Quote:
Originally Posted by cam51037 View Post

Well here's a little update:
I've found if I pair a 2100 and a GTX 650, the total power consumption is only about 120W, which isn't too bad.
What do you guys think? If I combo the processor with a nice mobo (Asrock Z68 PRO3 GEN3) the combined price of the two is $205. Also, the GPU costs around $160, which isn't horrible, but it's still enough. wink.gif
Anybody know how the 650 does performance wise in Folding? If it's like the higher end 6xx, bringing in 100k PPD or around there, I'd be extremely pleased. wink.gif

more research needs to be done cam. you'd be lucky to push over 15k with that setup. my rigs combined don't even put out 100k
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well......it works
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post #6 of 6
11/6/12 at 4:54am
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Quote:
Originally Posted by a 6 foot rabbit View Post

currently it is more energy efficient to fold cpu only.
the difference in ppd output between the i3 2100 and the i5 2500k is quite a bit if you are overclocking like you should. biggrin.gif
my brothers i3 will produce around 6k ppd avg, if i recall correctly. a 2500k could net you over 15k ppd easy in windows and more in linux. all depends on your overclock.
more research needs to be done cam. you'd be lucky to push over 15k with that setup. my rigs combined don't even put out 100k
I know I need to do more research, I'm starting here sort of, I've done a bit of research before, but couldn't find what people thought about the 650 in Folding. I have a 2600k @ 4.4 GHz doing Folding for probably 10 hours everyday or more, and an E6700 24/7.

I've also heard 2500k's and higher are eligible for the big work units, or whatever they're called, but they take longer to complete, but bring in more PPD.

Also, I've heard some people talking about that with their GTX 670, doing beta WU's on a certain core file will bring them in 100k to 190k PPD.

But yeah, I'm trying to do a decent amount of research on this, I'm definitely not ready to even think about buying these parts yet. I try and take at least 2 months deciding and researching all my components before I buy new PC parts.
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