What are you playing the video in? What codec is the video encoded in? What GPU are you using?
VLC
Lavf58.20.100
AMD ATI Radeon R5/R6/R7 Graphic
Make sure the video is H.264. That GPU will not hardware decode newer codecs like H.265, AV1, and VP9.
Give mpv a twirl. At the very least, it has nice stats under the "i" key.
Right now, I'm struggling with "how does my 5ghz 20 core latest gen intel processor manage to drop frames?" Sometimes the answer is just that computers suck 🤷
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I had the same issue. What I found is that when I run gnome or KDE, I don't get any dropped frames. XFCE, Openbox setups, Cinnamon & Mate on the other hand all had the frame drop issue. I managed to fix it in XFCE through playing around with the compositor settings, no luck in any of the other DEs tho.
Are you sure your screen refresh rate is correct?
yes
