H264 averaged 23.91 encoding fps, whilst H265 averaged an encoding FPS speed of just 5.63. The average of all the H264 encode times in seconds was 144.42 whilst H265 was a much greater 590.65 seconds. H265 or HEVC is considerably slower than H264. If you didn’t already know, you will after reading this. At 4k resolution (3840×2160) 29.97 fps, 30 seconds long, 400Mbps bitrate, 10 bit and a file size of 1.4GB this video file is rich in its data. Thanks to the source media file for the H.265 testing is this file here. The Xeon E-2246G is a very recently released CPU (Q2 2019). Total amount of Swap : 1951 MB (0 MB Used) Total amount of Mem : 32068 MB (365 MB Used)
Total size of Disk : 877.5 GB (25.1 GB Used)
CPU model : Intel(R) Xeon(R) E-2246G CPU 3.60GHz Intel Xeon E-2246G CPU with 6 cores, 12 threads at 3.60GHz boosted to 4.80GHz with 32GB of ram and SSD disk running Ubuntu 18.04 64 bit. Part 1, 2, 3 and 4 For H.264 can be found at the links. This post is the finale concluding the previous 7 parts. The posts have been split up with this, the finale putting the fasts and slows presets from both H.264 with H265 HEVC together. This comprehensive FFmpeg encoding comparison includes H.264 and H.265 HEVC from the fastest preset ultrafast through to veryslow with CRF values from 20 to 30.
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