@Zesko @MirceaKitsune @anon51566685 @Begemoth
Here is a more accurate test, based on what @Begemoth corrected me on. (Because YouTube videos don’t necessarily use AVC or HEVC, as they are shifting towards more open codecs. Hence, YouTube videos are not good tests.)
Let this video play for at least 5 to 10 minutes, longer if possible.
Preferably in fullscreen.
Keep an eye on CPU temperatures (all cores and/or composite) throughout.
Keep an eye on CPU usage (all cores and/or composite) throughout.
Repeat the same exact thing after applying the Stable Updates and rebooting.
The video is nearly 1GB in size, but it’s a high bitrate and resolution, and uses HEVC. It will be a good test on whether or not your GPU is using hardware-accelerated decoding.
A better test would be with a 4K video, but the size would be very large.
Here’s a 4K video that is 3 GB if you want to really give this a proper test:
https://drive.google.com/uc?id=1sRvHcH_BSVGELaPb2p_FFjXd53Mzl94L&export=download
Not just CPU temps and usage, but also how “smoothly” does it play?