Low Fps in Sc2 With Gtx560 Ti 448 Cores

Vapaach

May 25, 2012 9:24:26 PM

Okay so today I installed a brand-new gtx 560 ti 448 cores and to my dismay, the performance has been very sub-par. I only get under 50% of the performance that several benchmarks list (100~ fps on high graphics, 1920 x 1080, 8x replay, I only get around 45)

Operating System: MS Windows 7 Home Premium 64-bit SP1
CPU
Intel Core i5 650 @ 3.20GHz
RAM
6,00 Gt Dual-Channel DDR3 @ 665MHz (9-9-9-24)
Motherboard
Dell Inc. 0G3HR7
Graphics
NVIDIA GeForce GTX 560 Ti 448 cores
Hard Drives
733GB Seagate ST3750528AS (RAID)
PSU: XFX 550W

I know that sc2 is quite CPU intensive, but my CPU can't be bottlenecking it that hard, right? I just ran mark3D and got 5200~ graphics score and 3500 ~ physics score, which basically means that the card seems to be working fine.

I have tried overclocking, it had very little effect. I also know that overheating is not an issue (CPU stays at around 35 C and GPU doesn't even go over 55 C) and I have the newest drivers (301.42) so that can't be an issue as well. I have the Nvidia settings at default, so the setting shouldn't be causing it as well.

I tried uninstalling all drivers and reverting to 295.73 and 296.10 drivers, but it didn't help.
Also, the fps is same in windowed mode and fullscreen mode, so that is also not what causes the problem.
So, what do you think could be the problem? Thanks in advance!

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kulmnar

May 25, 2012 10:07:38 PM

I have a core i7 2600K @ 4.5ghz with a gtx 580 1.5GB and 8GB of RAM. Starcraft 2 most of the time runs at 60 fps steady on max detail (I have vsync on), however, if I run a browser in the background that has a youtube video loaded into it (not a running video, just a loaded video), I sometimes get framerates of 30fps in starcraft 2. To overcome this, I need to alt+tab out of starcraft2 and then switch back to starcraft 2 and then the frame rate is a steady 60fps. I think it has to do something with how windows 7 manages multitasking.

To eliminate this possibility, make sure you have no browsers running when you run starcraft 2.

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Vapaach

May 25, 2012 10:13:43 PM

kulmnar said:

I have a core i7 2600K @ 4.5ghz with a gtx 580 1.5GB and 8GB of RAM. Starcraft 2 most of the time runs at 60 fps steady on max detail (I have vsync on), however, if I run a browser in the background that has a youtube video loaded into it (not a running video, just a loaded video), I sometimes get framerates of 30fps in starcraft 2. To overcome this, I need to alt+tab out of starcraft2 and then switch back to starcraft 2 and then the frame rate is a steady 60fps. I think it has to do something with how windows 7 manages multitasking.

To eliminate this possibility, make sure you have no browsers running when you run starcraft 2.

The fps is exactly the same whether I have something open or not, so I don't think that is the answer.

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