is this a somewhat recent celeron? the on die gpus are many times more powerful than the integrated graphics chips of yesteryear.
just try running any games you have in your library that are 5+ years old or any turn based games that you have.
mass effects?
morrowind, skyrim, fallout new vegas?
xcom, x-com, xenonauts?
civilization, alpha centauri, homm 3/5?
etc.