The server i used to run these FFmpeg encoding comparisons was: 2x E5-2650 v2 (16 cores, 32 threads), 64GB ram, SSD. The unspecified source video file used for this comparison was: 24,000,564KB in size, 1920×1080 19,194Kb/s. It is usually a given (on most occasions) that the slowest preset which is “veryslow” takes the longest and gives the smaller file size, however is it worth waiting all that extra time for the smaller size? In this part 1 of FFmpeg encoding comparisons I look at x264 presets, their speed and output file size.
FFmpeg preset is the value in which speed the media encode will traverse at, At the slower spectrum you get more quality at the sacrifice of time, more quicker and you get larger file sizes.
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