No, not related. I installed Team Avalanche's low res pack, and it slows down at any resolution over 640. My computer is pretty old; I bought it as a Fry's Electronics refurb $300 special about five years ago. It has an AMD Athlon 64 3500+ (2.2 GHz) and onboard NVidia graphics. I crammed in 2 gigs of ram, but it still has trouble running anything more complicated than Unreal Tournament.