Use recommended specs and read them as sort of minimum specs regardless what type of game.
Cause it's pretty hard to say on which system it works good/decent/bad as each person might have different configs, so even 2 people having the same system does not mean they both will have the same performance.
Comments
Recommended
Processor: Intel Core 2 Duo 2.4 GHz (E6600) or better
Video Card: NVIDIA GeForce 7950GX2 or better
RAM: 2GB or more
Use recommended specs and read them as sort of minimum specs regardless what type of game.
Cause it's pretty hard to say on which system it works good/decent/bad as each person might have different configs, so even 2 people having the same system does not mean they both will have the same performance.
You could also try this > http://www.systemrequirementslab.com/referrer/srtest