The major differences from Cardboard: - OS and hardware are hand tuned to allow head tracking latency in the low double digit ms - low persistence display (pi

The major differences from Cardboard: - OS and hardware are hand tuned to allow head tracking latency in the low double digit ms - low persistence display (pixels only flash briefly, so less smudging) - far superior optics, so that you get a more correct projection of space into your eye - generally higher quality software. Experiences will vary but there are some very high quality ones