Yes it’s higher. From what we know (11.5 megapixels per eye), the width roughly corresponds to a 4K resolution. However, due to the 3D resampling, I would estimate that to simulate a virtual monitor of a given resolution in high quality, you need at least 3-4 times the resolution on the physical headset display. Which would mean that the AVP couldn’t simulate even just an FHD virtual monitor in high quality.
3840 x 2160 resolution per eye. 23 million pixels per eye, or, nearly 3x the pixels of a 4k TV with the equivalent resolution. That's roughly 3 physical sub-pixels per 1x1 "virtual pixel"
Regardless, the question isn't if it's better or the same. The question is if its viable considering the author is saying the idea is "Ridiculous"