Quote:
Originally Posted by jdobbs
Just a note on that. In my testing, I'm finding (as you might expect) that X265 is significantly more efficient than the NVIDIA hardware encoder. For example, if you encode some sources with a CQM of 25 using the hardware encoder you will get a file that is twice as large as one created by X265 with a CRF of 25. Of course you also have to factor in that the hardware encode is about 20-40x faster...
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Would you say that the quality (in terms of metrics or by visual comparison) is about the same for the CQM=25 (HW, h.265) and and CRF=25 (SW, x265) encodes?