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gpu and cpu overclock in game help

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  • Overclocking
  • GPUs
  • CPUs
Last response: in Overclocking
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September 17, 2014 9:01:08 AM

good day

I have overclocked my intel g3285 to 4.3ghz and have a sapphire R7265 gpu now should it overclock the gpu to keep up with the cpu ot to get better gaming performance,Played crysis 2 on high and stock gpu settings and had no problem playing.I can overclock cpu bit more too 4.5 but then have to go up to 1.3 volts not really comfortable running at that voltage.ANy ideas and help would be greatly appreciated.This my first gaming pc that i build.In future going to replace cpu with i5 or i7.i am going to play bf4 and bf3 and so on games.

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a b K Overclocking
a b à CPUs
September 17, 2014 9:24:23 AM

You have probably gotten 90 ish % of any possible OC gains that you would actually notice in game. Anything further will be subject to diminishing returns in real world performance with a rather sharp fall off. You could get gains in benchmarks with a gpu OC, but in game increases would be small, percentage wise. Biggest gain would probably be a memory OC on the gpu.

The question you need to answer for yourself is, are 3 or 4 fps on top of what you have gained worth it? And is the card a factory OC'd version, or stock clocks? With a good cooling solution on the card, raising it from stock would be noticeable. If it is already factory OC'd, it "probably" won't have a lot of headroom left before the heat starts climbing.

Personally I would enable Overdrive in CCC, and bump the card up a wee bit, then test in game with Fraps or other fps software.
See how much gain you get versus how hard you have to push the card. Somewhere in there will be a happy gain with not much heat penalty.
Be prepared for it to crash at some point, letting you know when it wants more voltage, and keep an eye on temps the whole time.
Remember that extra card heat will also push temps in the case up slightly, which MAY affect cpu temps.

As an example, I got a new R290x, which replaced a 7870 OC. Old card ran high 40's to low 50's , new card runs high 50's to low 60's C.
This adds about 2 C to my in case and cpu temps.

As always, try to find a good guide for OC'ing that relates to your specific card. Good luck and let us know how well it does.
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September 17, 2014 9:29:12 AM

the gpu is stock and not overclocked out the box.so should i overclock then and see how it plays?and can i use sapphire trixx or msi afterburner?
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a b K Overclocking
a b à CPUs
September 17, 2014 9:37:10 AM

You should be able to use the AMD Overdrive in the Catalyst Control Center.
Bump it up in small steps and test for heat etc.
It is almost garanteed that you wil need to increase the fans speed/fan profile on the card with any significant OC.
Do not just start moving sliders, take your time and see if you can find info from other people who have OC'd this particular card to get an idea of what to expect, and what settings you need to adjust.

Most times in CCC it will be possible to increase the OC quite far beyond what is stable. Small steps!
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