I've got a couple of videos I use that make the tearing/jitter obvious, e.g. https://www.youtube.com/watch?v=0RvIbVmCOxg https://www.youtube.com/watch?v=0RvIb

I've got a couple of videos I use that make the tearing/jitter obvious, e.g. https://www.youtube.com/watch?v=0RvIbVmCOxg https://www.youtube.com/watch?v=0RvIbVmCOxg (you can get a .mp4 too which eliminates the browser as a possible cause) sadly I can see the jitter/tearing, vs. on Windows where it's perfect (with 4k or higher frame rates it's far more obvious)