User blog comment:JAlbor/Call of Duty: Ghosts All-Access Livestream/@comment-98.230.84.179-20130611033603/@comment-25496444-20130611090956

Realism, smoothness (anti-aliasing, lack of jagged edges, texture quality...), resolution and overall quality. Minecraft's graphics are as detailed as you can expect from a pixelated game (HD texture packs aside), setting them to Fancy is the best option and even then only makes leaves transparent and some other minor stuff.