So the demo runs smoothly, will the game (tech question)

[Swissdictator]

I recently upgraded my RAM from one gig and I now have three. So I downloaded the Demo to Civ V. The only reason I didn't buy it right away was certainty that, pre-upgrade, I probably would have problems running it.

My Video card is a nVidia GeForce 8500 GT (I believe with 512MB of RAM in it, if I remember correctly)
a Duocore processor (1.9 IIRC)
So My processor meets the requirements, and I have probably a decent enough video card. Now with more RAM I'm hoping Civ V will run smoothly enough.

The demo seems to be running fine and very smoothly, but I am wondering if the Demo is a good test of how the game will run.

Just want some advice and input on it.

 

[tokala]

If it runs smootly at your graphics settings, it will stay that way lategame. You might encounter a slow/ugly texture pop-in with larger maps, though. A better graphics card would help with that, and enable you to use a higher graphics quality.
The turntimes however will get slower, but that happens even on high end machines, only to a lesser degree.