The most resolution of the X23T-1 MHL is 480i. That's 56% less resolution than the most frequently found video mode of 1080p (which is also found on this LCD screen). In addition, this flatpanel monitor have 1080i, 480p, 576i, 576p and 720i and 720p video modes.
A 480i video mode is in fact the worst resolution across all medium monitors that have been on the market for a comparable time to the X23T-1 MHL.
The best resolution across similar types of LCD screen is 1440p.