Old versions are not officially supported by the forums, because issues that are present in old builds have been fixed. Can you test both OS's on the latest dev build of 4.0 x86? That will give a true idea of how well the two systems measure up.
Also, did you make sure that everything is up to date in windows 7? Check drivers, windows updates, directx web updater, and the latest updates to visual c++.
Even with your overclocking, that CPU is really weak in per-core performance. How long have you had it, and would it possible for you to get a higher Core 2 Duo/Quad CPU? You really need more strength
Also, did you make sure that everything is up to date in windows 7? Check drivers, windows updates, directx web updater, and the latest updates to visual c++.
Even with your overclocking, that CPU is really weak in per-core performance. How long have you had it, and would it possible for you to get a higher Core 2 Duo/Quad CPU? You really need more strength