The reason for the difference is vmr9 (directx9) against overlay used by most vendors for there software, a cheap FX5200 Graphics card (or higher) usually overcomes the problem.
It also varies with which codec is used, a lot of people think the nvidia purevideo is the best, but like a lot of things it's down to personal components within a htpc that can cause great differences.
It also varies with which codec is used, a lot of people think the nvidia purevideo is the best, but like a lot of things it's down to personal components within a htpc that can cause great differences.
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