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Help. Laggy games

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June 6, 2012 5:05:25 PM

Hey Guys

Just built my first gaming pc, the spec is as follows:

CPU: AMD FX 4100
Motherboard: Asus M5A78L-M/USB3
Memory: 16gb 1333
GPU: Asus GTX 560ti 448 cores
PSU: Corsair TX750
HDD: 1Tb Seagate

When playing games like skyrim I'm getting about 60fps, but it keeps dipping down to 22 then back to 60.

Also on Assassins Creed 2, when there is lots of action on the screen it slows down dramatically.

Any ideas on what I could upgrade to elimate this would be greatly appreciated?

More about : laggy games

a b B Homebuilt system
June 6, 2012 5:35:28 PM

Some of those games have a tendency to stream textures from the hard drive rather than keep them resident in video memory. This is a symptom of a game being developed for both PC and console. The Assassin's Creed games even slow down on my computer but Skyrim is usually pretty good.

One solution to deal with games that stream data is to install them to an SSD
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June 6, 2012 6:46:32 PM

Thanks for reply, I had read about bottlenecking and wondered if that was the problem. Do you think my CPU is sufficient for the graphics card?

Will have a look into SSD's
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a b B Homebuilt system
June 6, 2012 8:07:39 PM

CPUs don't bottleneck graphics cards and graphics cards don't bottleneck CPUs. However, they both impact game performance such that one of the two will be a limiting factor.

With that said, the FX-4100 isn't horrible and should perform at about 80% to par with a Intel i3 2100

Here's a Tom's review between the two

http://www.tomshardware.com/reviews/fx-4100-core-i3-210...

The 560ti 448 is no wimpy card and should be on par with the 6950 at least. If it seems like you should be getting better performance than you are then you might want to try a few tweaks such as turning VSync off and/or limiting the framerate to the refresh rate of your monitor (usually 60fps). Some game engines do not respond well to sharp changes in the framerate.

There's not much you can do about Assassin's Creed, the game isn't optimized at all. Skyrim shouldn't give you many troubles though
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a b B Homebuilt system
June 6, 2012 8:37:42 PM

Quote:
^^ wrong.

Try a GTX 670 with a pentium4 ;) 


A GTX 670 is going to perform better than a GeForce 6700 when paired with the same Pentium 4 processor and a 16x PCIe 1.x bus. Any gameplay will be limited purely by the fact that the Pentium 4 processors were horrible for gaming
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June 6, 2012 9:29:04 PM

Just looked at the link posted, thinking maybe I should switch to intel as it says in the review even upgrading to the FX-8120 won't make any difference in games
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a b B Homebuilt system
June 6, 2012 9:48:06 PM

menacedude said:
Just looked at the link posted, thinking maybe I should switch to intel as it says in the review even upgrading to the FX-8120 won't make any difference in games


Switching to Intel is a good idea if you don't mind paying the price premium. Bulldozer's per thread performance is seriously lacking.
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June 7, 2012 6:52:23 PM

Just ordered the Intel i5 2500K processor with asus P8P67 EVO motherboard, so hopefully this will sort it.

Thanks for the help
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June 9, 2012 10:48:07 PM

Board and processor arrived today, totally solved the problem. Been running skyrim with no drops in frame rate. Thanks for the help guys, will never buy an AMD cpu again.
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