Testing my new build with 4k video

Question

I will not buy a 4k camera, but I did want to test my new computer with some 4k video
 
I downloaded some sample files from https://4ksamples.tumblr.com/
 
I have the HEIF and HEVC codecs... I didn't install them, so I presume they came with Win10
 
H.264 and HEVC inside an MP4 wrapper work... HEVC inside an ENCM wrapper won't play or load
 
Anyway, the MP4 files work just fine on the timeline, I don't notice any playback delaysor artifacts... so my computer with Premiere Elements 2021 works just fine with 4k video
 
My build is at https://community.adobe.com/t5/video-hardware/a-fast-video-editing-computer-build-for-2-000/td-p/11707151?page=1

John T Smith · Answer

My usual edit is HD 1280x720 30fps video from a Canon SX510 camera, which I share to DVD at standard defintion

When I shared 4k 3840x2160 30fps to a DVD ISO the process of converting 4k to SD took (to my eye) about the same amount of time it took on my old computer to convert HD to SD for the same time length of sample video

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