It is worth noting that the Passmark score detailed will be the Ryzen 2700X running at maximum performance through AMD's PBO technology (Performance Boost Overdrive), you can read all about how this works HERE. With the Ryzen 2700X being relatively affordable, it seemed like a no brainer. It has a Passmark of 17599 which you can see HERE. I hunted around and found that the Ryzen 2700X CPU is a great fit. As we can see it is mentioned that for 4K HDR processing, it is best to have a CPU capable of 17000 points in Passmark or above. While it is a guideline, it is a fairly accurate one. The CPU Benchmark website is a good resource to see what sort of PassMark score a particular processor received. 4K SDR (40Mbps, 8-bit HEVC) file: 12000 PassMark score (being transcoded to 10Mbps 1080p).4K HDR (50Mbps, 10-bit HEVC) file: 17000 PassMark score (being transcoded to 10Mbps 1080p).Very roughly speaking, for a single full-transcode of a video, the following PassMark score requirements are a good guideline for the following average source file:
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