possible bottlenecking hmm?

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tom549

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Nov 25, 2013
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I have a 8320fx processor, 8gb of 1600mhz ram and a 780gtx 4gb

none of my games seem to fully load my g card and i seem to get fps lag, mainly on diablo, med-high settings.

any suggestions?

cheers
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tom
 
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Yeah but the benefit of doubling your l3 cache is nice. And when you disable half your cores your cpu runs cooler and you can overclock further then.
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marshal11

marshal11

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low GPU usage typically means CPU bottlenecking. What other games do you play though? Diablo isn't really optimized well. Do you have BF4 or BF3 or Crysis 3 or any high end game like that? Those are usually well optimized. Run MSI afterburner and check usage results after playing for a bit.
 
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sponge689

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Your cpu will most likely be bottle-necking majority of your games, the reason being is alot of games only take advantage of a few cores. And the fx series cpus arent very strong when it comes to single threaded performance due the the fact of modules and shared cache, the only time where you will see great performance is in games like crysis3, battlefield 3/4.
 
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sponge689

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You could just switch over to intel? Pick up a i5 4670k cheap and that would be alot better. or alternatively you could disable 4 cores and overclock. you would see a bit of performance out of that
 
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marshal11

marshal11

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Dont disable cores, you won't get any benefit from it because those extra cores not being used by the game are dedicated to all the other random workloads caused by the OS and other background processes. However, like the above user said, Diablo isn't really well optimized for lots of cores, and that's exactly where you CPU falls short. Intel is the king of single thread performance, so much that usually one of Intel's cores is like 2 AMD cores at the same speed. Therefore, you're going to run into games that can't really take advantage of your CPU. Another is skyrim, which doesn't like to really use more than 4 cores, so even the faster Intel i3s are outperforming top of the line AMD CPUs like yours. Your only options are overclock further with a better cooler (AMD CPUs are good to about 1.55v at 80c) or go Intel really. I wouldn't waste money switching my whole system to Intel though. If anything I'd just get a good closed loop water cooler and overclock further.
 
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marshal11

marshal11

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Well it's pretty simple, you just check the current voltage set in the BIOS, then bump it up a bit. For example, to start off, if it's at 1.35v for example, bump it to 1.4v and raise the clockspeed by 200MHz lets say. Then do a stress test. Play a couple of games, browse the web, then put it under Prime 95 stress test for a few hours and check temperatures. If all passes and no crashes, add another 100MHz. Keep going until it's unstable, and if the temperatures are still okay, keep going.
 
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marshal11

marshal11

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You can let it run overnight while you sleep or while you know you plan on going to do something other than be on your computer. If the computer is no longer running the program when you come back or it has restarted, that means that it's not stable and requires more voltage.
 
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