Don't think its a hardware problem more the lighting system you choose and how much time and money you want to spend on graphics and how much of an older game you use to develop from maybe. Higher dynamic lighting does take up resources of course.
Some games use Illuminate Labs like Mass Effect, Gran Turismo 5, Tomb Raider Underworld, Heavenly Sword, Killzone 2, Sony Computer Entertainment games, Valve.
So what did you all photo shop in this picture?