March 21, 2011, 05:51:34 pm
The most important thing is your graphic card, higher CPU will not affect your rendering time in Lumion.
I have changed my graphic card. I had a Geforce 470 GTX, some weeks ago I replaced it against a 580 gtx, since then my rendering time are the half they were before. Mostly around 3 sec per frame hd resolution, max. quality), depending the scene...