I never played Flight Simulator X but i think the problem in CoD is different.
I do have a rather strong system and i am getting a nice gameplay(at least over the canal) but CoD has some other problems which don´t have anything to do with the hardware at all.
First, there are some obvious bugs like appearing trees in the air(fixed now), not working AI, not working radio-commands or not working load-out-menu. And so on...
And secondly, the Game as a whole is not tuned to it´s best yet. What I mean by this is for example that on my 6core-System only 1 core is used by the game. So the game is fare away from using the full potential of my system.
For sure you get a better gameplay on a high-end system. watch on youtube, there are some crazy guys:
The thing that probably makes the community angry is the feeling of having an unfinished product. with all the bugs fixed, tuning made(mentioned above), CoD would be a great game that runs totaly fine on an average PC.
Seeing the full potential of the game but not having it is hard for people
