theres your answer.., its only as good as the codecs you have given there Architect

next is the quality of the projector it is displayed from.., some are MUCH better than others.., plus the differences in the display screen.., colour settings, contrast,.., ect.., last but not least the operator.

you would need bench mark tests under a variety of controlled conditions to get a definitive answer.., but then that answer is immediately obsolete because of all the given variables.