Battlefield 3's executive producer, Patrick Bach, said himself that playing Battlefield 3 on Xbox 360 without performing the optional install is like playing "a standard-def" version of the game. That was no exaggeration.
While the PS3 version forces an install, the Xbox 360 version had to be optional because of the availability of 360s without hard drives - DICE couldn't count them out of the fun.
But playing the game without installing the high-res texture pack results in some glaringly blurry visuals compared to installed textures, and the below video compares the two.
Take it from us; go get a hard drive. Now.
Read our huge Battlefield 3 review right here.