Eh don't worry about it I'd say.
You should be able to run it. Total War is a game that needs more RAM/CPU power anyway.
Just did a bit research and you can play Skyrim and Dead Space for example on low settings.
http://www.youtube.com/results?search_query=mobile+intel+4+series+express+chipset+family+games&oq=mobile+intel+4+series&aq=1L&aqi=g-L4&aql=&gs_l=youtube-psuggest-reduced.3.1.0i19l4.236521.242542.0.244496.23.13.1.9.9.0.317.2009.4j6j2j1.13.0...0.0.pBc8suA7IvQ







