The war between Athens and Sparta in the V sec B.C. - SINGLE CAMPAIGN ONLY -
Check this video to configurate your game options to run Sparta with no problem.
This must considered as the upper limit of your configuration: No value over these values and nothing flagged if here it is not flagged.
The unique exception may be the max frame rate, which should be 5 point over your monitor HZ frequency (which usually is 60 or 70)