Specs that are not playable

[Rodney]

My specs

8GB (1066MHz) DDR2
1536MB Geforce GTX580 (State of the art)
Intel E8500 3.16Ghz (3 years old i.e. ancient)
Win 7 - 64 bit

My CoD settings

Everything (and I mean everything) maxed out

Where not playable (with everything maxed)

Directly over London and France (where there are millions of houses)

Where playable (with everything maxed)

Everywhere else (even though there are millions of trees)