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• #1322 hahajdu aktív tag rocket #1320

  Új Válasz 2009-09-19 10:48:06 #1322

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  "...CONCLUSION. If you do not have an Nvidia card, geforce 8 or higher, the PhysX processing gets shunted onto your processor and maxes it out, effectively bottlenecking your system regardless of resolution or settings. You get a similar effect in Mirror's Edge if you enable PhysX without a geforce card. With car details turned down there is a small performance boost, presumably because there is less damage modelling going on. ..

  My settings - I have a Core 2 Quad Q6600 @ 2.4 GHz, 2 gig of DDR2 RAM, and an HD 4870 512 MB.

  With a clear track in front of me, I average approximately 50 frames per second at 1920x1080, 4xAA, everything maxed. With traffic in front of me? Less than 20 fps, irrespective of resolution and graphical settings (except one).

  It appears that SHIFT uses Nvidia PhysX technology, given that it installs the driver for it, blah blah. The only setting that has any appreciable effect on my frame rate when there is traffic ahead of me is Car Detail. If I turn this down I get some extra frames while I'm sitting on the grid.

  I don't know if it can be done, but we need the option to disable PhysX altogether (personally, it would help if Shift utilised the other 2 cores on my CPU). I don't think there's much ATI can do about it. "

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