What is written about the NEC 2690? The first line: H-IPS A-TW.
What is written about the NEC 3090WQXi? Nothing.
Did they forget? Selective forgetfulness?
No problem. We are getting the answer today.
Close photo revealed pixel layout typical for H-IPS. So H-IPS is confirmed now. That’s good news. The reference monitor 2490 has H-IPS too.
Below you see the difference between regular IPS and H-IPS pixel layout. The left hand side of the picture represents 30” Apple Cinema.