Sorry, but Ninja Gaiden 2 on the 360 runs natively at a resolution of 1120x585 (check the link), whereas Uncharted runs at 1280x720, which means that Uncharted has 40% more pixels on screen at the one time than Ninja Gaiden 2.
Prediction (June 12th 2017)
Permanent pricedrop for both PS4 Slim and PS4 Pro in October.
PS4 Slim $249 (October 2017)
PS4 Pro $349 (October 2017)