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Here is a test sample MKV video I am using and I use and here is another test MKV video I am using. These MKV videos are compressed with x265 codec with a resolution of 2160p.

It stutters and jumps on my computer when I watch it. No other processes are working. My OS is Windows-7 32 bit and I am using the latest version of MPC-HC with default presets and initial range of codecs. My video card is a Quadro 2000 with 1GB of RAM and computer RAM is 4GB.

I use full-HD display (1080p), so it should scale down on the way. I'm watching 1080p movies fine on my computer compressed with the same codec.

Video processors are a bit confusing because they don't have a linear scale for performance, that is why I like G3D Mark, so My video card gives me a videocard benchmark score of 1315.

What do I need to upgrade to make movies run smoothly?

  • I tried it on Intel i7-3520M with 16Gig or RAM and Video of Nvidia Quadro K1000M with 2G of video RAM and it worked. – Yevgeniy Afanasyev Jun 29 '18 at 0:26
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    To the best of my knowledge x265 is a very CPU intensive and hardware intensive codec. So I am not too sure your machine is powerful enough for playback of x265 videos like that. – JakeGould Jun 29 '18 at 0:28
  • Thank you for your attention to my question. It is clear that I need an upgrade but it is not clear what exactly I need. I'm not in a position to buy the best on the shelf computer. So the plan is to find a minimum requirement and then buy something a little bit more powerful. – Yevgeniy Afanasyev Jun 29 '18 at 0:33
  • Well, this site is not about hardware recommendations. But I do believe a 32bit OS in 2018 is not going to help you. I am not a Windows expert, so that’s the best advice I can provide. – JakeGould Jun 29 '18 at 1:13
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    Both the examples were downloaded and played on a laptop with Intel Core i7-4700 and onboard video. Using MPC-HC, SES.Astra.UHD.Test.2.2160p.UHDTV.HEVC.x265-LiebeIst.mkv played fairly smoothly when the PC was not heavily loaded, but skipped frames in action scenes when another process used ~85% CPU time. The files were converted to MP4 keeping the same frame rate and size using VLC and played flawlessly whether the CPU was loaded or not. Workaround: convert to MP4. The MP4 files were about 3/4 the size of the MKV, so there is some (lossy?) compression. – DrMoishe Pippik Jun 29 '18 at 19:35

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