Attention XB270HU owners
You've been doing your monitor calibration all wrong!! If you haven't been adjusting contrast along side color temp settings, then your monitor is likely not showing its full potential. Even professional calibration software won't help you properly calibrate an XB270HU because it doesn't account for the dynamic relationship between color temp and contrast in this specific panel. That means those ICC profiles you've been downloading, well they're garbage!
My current calibration:
Gamma 2.2 in OSD, and ~2.2 in windows color calibration (use lagom LCD test site to help calibrate gamma, at the brightness level you intend to run at)
While monitors may differ, the rules of these settings are a guideline to get the best contrast ratios from black to white to colors that pop without going out of spec. Only minor tweaks to these settings should be necessary.
After calibrating my monitor like this, it was infinitely better in every way. The difference is night and day, almost like going from a TN to an HDR display. Most people don't move the contrast nor the color temp much at all, and none of the presets drastically alter the color temp this much, but these settings really are what makes this monitor shine.
Even when I did fiddle with contrast or color temp, I didn't do it in tandem or change it much and it always ended up looking off a bit or just OK. One thing not to do is raise or lower both equally. If you raise contrast by 10 points over 50, then you must lower color temp about 10 points too, and vice versa. But if you push both of them to the extreme opposites, they'll actually give you a much brighter vibrant image without washing out the darks or bright colors or making things overly saturated, and still display proper gamma. It'll feel like having a new monitor.
And if you want to take your newfound settings for a spin, here's a good video to do it with, really looks amazing on the XB270HU.
Also another great 1440p video...
https://www.youtube.com/watch?v=xDMP3i36naAEdited by AMDATI - 4/28/17 at 9:24pm