There already exist 1/2 8K VR headsets though (full 16:9 4K per eye), and you can keep seeing a difference there up through around 16K per eye and higher refres

There already exist 1/2 8K VR headsets though (full 16:9 4K per eye), and you can keep seeing a difference there up through around 16K per eye and higher refresh rates than they showed.