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Is there any need to OC my CPU further for gaming?

post #1 of 9
Thread Starter 
Hi All,

I have an i5-3570k at 4.0 Ghz. Would I see any significant increase in performance in gaming if I OC any further?

I game at 1080p and have an OC 7950.

I know this is an enthusiast forum and is probably a taboo to say that I didn't really OC this beast of a CPU. But to be honest, I just don't have the time atm to test for stability again.

Thanks.
post #2 of 9
Is there a need? No.
Would it yield benefits? Yes.
post #3 of 9
Thread Starter 
but how big of a benefit though, when it comes to gaming. I don't think there are many games that are CPU bound. In most cases I would think the bottleneck would be my GPU. No?
post #4 of 9
just a few fps increase really, unless you really push it (5ghz+) which even then wouldnt be anything super special, but if you are getting low fps, it could make games more enjoyable.
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post #5 of 9
Planetside 2 likes fast cores if you play that?
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post #6 of 9
A few games might need a better OC, but most don't. Just about all the games I play get the same fps at stock as they do with an OC. So i just have it (2500k) at stock now. Really comes down to the games you play. If you don't see a difference then leave it at 4.0.


edit: What games are you currently playing?
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jeffro37
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post #7 of 9
heres a small example of what you can generally expect from OCing, from my personal results.

i played crysis3 on maximum settings, everything set to ultra, 8x msaa, stock clock 4770k and only one of my two titans activated., i was getting 35ish fps. i overclocked the cpu from 3.5ghz to 4.8 ghz and started getting around 40 to 45 fps on the same map, same settings, same titan.
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post #8 of 9
Yes, there is benefit to be had, particularly with minimum framerates.

Regarding the Prime95/IBT/LX "stability testing", I personally think it's way, way overdone by most people here, to thep oint that it's not so much checking stability as it is just burning up chips.
I almost never go beyond an hour, usually much less, because I have found that the only correlation between crashing in P95 etc and crashing in real use is if you crash in the first 10min or so.

I bench a lot, and even my 24/7 OC's of 4998MHz on my 3930K (1.365v) with DDR3-2588 10-12-10-26 1T, and 5268MHz on my delidded 3770K (1.412v, PK1 between die-IHS and IHS-block) with DDR3-2840 11-12-12-34 1T, I have never had a CPU crash or in fact any program crash that wasn't caused by the GPU(s).

You should be able to get 4.3-4.5 without messing with voltage, and a max of 4.8-5GHz depending on how your chip scales and how good year cooling is.

The 7950 isn't anywhere near powerful enough to be bottlenecked by your current speed, but I always find the best performance comes when all the subsystems are running at an equivalent clock (ie 4.8GHz with DDR3-2400 VS 4.8GHz with 1600 or 3.9GHz with 2666).

I have only seen IVB bottleneck GCN when running both of my plus two of my friend's 7970 Lightnings and that was on my UP7 with the 3770K @ 5.1Ghz + 16GB DDR3-2400 8-10-11-29 1t, and the four cards significantly overvolted and running around 1390-1460core/6940-7125mem; 3930K didn't have such a bottleneck.

For some reason, Nvidia cards seem to allow for a greater bottleneck, as I saw helping set up a system with a 4770K that would not budge past 4.3GHz and a trio of 780 Classifieds (just this week).

To make this short:
1) overclock your video card as much as is stable, it will provide the biggest benefit.
2) try to get your CPU to at least 4.5
3) Run your memory as fast as possible but don't keep pushing if it requires more than +1 (or occasionally +2) to any of the primary timings for a single bin jump.

Make sure also that the PCIe power plugs are coming from entirely different cables, and not just using one of the kinds with a 6/8pin and then a 2nd PCIe 6+2 pin. I have found this to have a not insignificant effect on voltage stability, and it's ALWAYS "correct" to spread the load over as many wires as possible. Also, make sure you have the maximum amount of allotted CPU power connectors (ie use an 8pin + 4pin if they're available), use an entirely separate MOLEX cable for fans and another for 2-4 HDD + SSD, etc.
Best of luck!
   
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Z77 Bench-a-lot
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Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
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post #9 of 9
Thread Starter 
For those asking what games I play, at the moment they are Borderlands 2, Far Cry 3, Tomb raider, Bioshock Infinite.
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