Portal: Windows vs Mac performance (Part V)
I re-tested Portal on Windows vs Mac yet again after the Snow Leopard Graphics Update of 17/8/2010, which “Addresses frame rate issues occurring in Portal and Team Fortress 2 by Valve”. Performance with anti-aliasing is now the best it has ever been on this iMac. It's still only 75% at best of the framerate I get under Windows, but it is now quite acceptable. Settings were High/Very High/Reflect All/4xMSAA/4xAniso/Reflect All/HDR/CC This was tested on a 27" iMac, with 2.66GHz quad-core Intel Core i5 and a 512MB ATI Radeon HD 4850, under Windows 7 and Mac OS 10.6.4. The game was running with...