GTX 760 Poor Performance

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Carniel

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Jul 30, 2014
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Hello everybody. First of all let me say that i don't speak english very well (i'm brazilian), but i read a lot about hardware here and tom's hardware is way better than any brazilian forum. But let's go to my problem:

I recently bought a new PC with the following specfications:

- 8gb Kingston hyperX fury ddr3 1600mhz
- AMD vishera fx-6300 3.5ghz black edition
- GB 970a-d3p motherboard
- GB GeForce GTX760 windforce 2gb
- Evga 500w 80+ white pau

So i caught myself running some Heaven's Engine 4.0 benchmark yesterday and got a lot disaponted. I know it's not a top-class PC, but i pretty sure it would have a better performance. The benchmarking was running with:
- DirectX 11
- Ultra quality
- 8x AA
- Standart tesselation
- 1920x1080 Full screen

I runned The benchmarking about 5 times, the results was (average):

Score: 670 - 880
FPS: 25.7 - 29.6
Minimum: 11.9 - 19.9
Maximum: 59.9 - 61

For additional information, after The benchmarking, i played Metro Last Light almost on Ultra (antilasing 2x) with physX on, with AVG 29 FPS, but it drop to 25 FPS on gunshots scenes.

I'm i mistaken And this are normals results or there's somenthing wrong indeed? I'm starting to think that my CPU is bottlenecking my GPU (with i could easilly solve after buy a Water cooler And Oc'ing to somenthing around 4.5ghz), or my GPU is messed up?

 
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Eggz

Eggz

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Sep 3, 2013
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There might be a slight bottleneck, but I don't think it should be anything major. The card does seem to be going a little slow, but not far off what I'd expect. Here is a video of someone running the GTX 760 on an i7-4670k, and they got 42 fps with 2x AA, so it seems to be in the ballpark: https://www.youtube.com/watch?v=Pi7LGkIgh50



Metro Last Light is ridiculous, so don't get worried about that. I barely get 50 fps with those settings on 1080p with a GTX 780 ti AND a 750 ti dedicated to PhysX. You seem to be okay.

You can also take a look at the testing Tom's Hardware did, but they used less demanding settings than you did. http://www.tomshardware.com/reviews/geforce-gtx-760-review-gk104,3542-8.html

Try adjusting the settings to see if you get the same (or similar) results. My guess is that you will. They may have had their card overclocked as well. I couldn't tell just from glancing at the article, but that may be something to consider.
 
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Carniel

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I gonna clear reinstall NVIDIA drivers and double check if pc's hardware are ok as soon as i get home then test with similar settings from tom's benchmarking, And post The results here. But it's normal to score 880 in a benchmark And 670 in another few minutes later?
 
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Eggz

Eggz

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Banchmarks' numbers vary from one to another. You can't really compare scores unless you have the same benchmark with the same settings each time, because the number will have a different meaning if you change anything.
 
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Carniel

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Ok, after had reinstalled Nvidia drivers, i monitored Metro LL FPS on Very High, without SSAA and Vsync, with PhysX and AF X16, and got kinda impressed. It run on AVG 50 fps, drop to 43 on gunshots scenes and 30-33 on rapid movement scenes. Oc'ed a little (+95 Gpu clock / +200 mem clock) and had a gain of 2-3 fps. I think is pretty good. But what intrigued me is that, if i push the Oc a little further, my fps drop below 30. Any idea of what could be?
 
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danco5074

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It's possible that the OC is simply not capable of going that high without voltage increase. Eventhough you aren't seeing any distortions, the OC might not be good. Are you OCing the mem clock at the same time? If so, you should reset mem back to stock, and see how high you can get core clock before an fps drop. Then raise mem clock.If you see FPS drop, treat as if it was artifacts appearing and give a slight voltage increase.
 
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Eggz

Eggz

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Yeah, that's good! As for the OC, you'll find that you get into a lot of time-consuming details for very marginal benefits. You may get 5 fps more, and you might even hurt your card if you start overvolting. That's not to say a good OC is impossible. Plenty of people do it, but still, the increase is small enough to not get too wrapped up in doing it. This applies to the GPU, not the CPU. CPUs are more reliable. Anyway, I'm glad you got things sorted out!
 
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