I recently purchased a 32" Samsung Odyssey G81SF (LS32FG810SUXXU) 4K 240Hz QD-OLED monitor to replace an LG 27UL650 4K 60Hz IPS monitor I've had since 2019.
I knew going in that QD-OLED wouldn't have as good text clarity as an IPS panel and the larger screen at the same resolution would reduce the number of pixels per inch, but even I've been surprised at the lower text quality.
At first I thought it might have been the HDMI cable or display stream compression not initialising correctly. I'm using a RUIPRO 5m Ultra High Speed HDMI cable I got off Amazon, but even after switching to a regular DisplayPort cable, the text quality was the same. Though I did find it odd that the monitor is G-Sync compatible and auto-enables G-Sync over DisplayPort, but not HDMI.
I'm using an RTX 4090 with the 596.21 NVIDIA driver, with native resolution, 10-bit and full RGB set in the control panel. The monitor is also on firmware version M-F8100GCAA-1003.0, which appears to be the latest firmware update for this model.
In doing some research on this subreddit, I have installed DisplayShadersPowerToy and after setting the configuration to QD-OLED, 80% strength and restarting Windows, text clarity is definitely improved. I wouldn't say it's quite as good as the IPS panel, but it's a lot better.
I'm wondering if anyone else has any other tips or if there's a better tool I'm not aware of.