very subtle "rippling" on new display (DisplayPort, 100Hz)

I just got an Asus BE248CFN (upgraded from an Asus PA248QV). Running off RTX 4070 FE, with DP at 100 Hz. I'm getting some very subtle "rippling" on the image, and it's particularly noticeable with certain blocks of colour, especially when looking at it up close (though it may just be my noticing it easier... I can't notice it, for example, when typing text on a white background like on this forum). By rippling, I mean if you look close, it's like there's a "flow" of water going through the image, very subtle. The image is more than usable, but less than ideal. I tried changing out the DP cable, from the one I had before, to the one that comes with the display. It didn't solve anything. I had no issues with any rippling with the prior PA248QV display (running at 75Hz and the same/initial cable, and same GPU and DP port). Is this some sort of problem with interference, or could it be something worse, like a defective panel? And how can I troubleshoot most effectively? Other... Read more