AMD has hit another megahertz milestone record today. In fact, this is ATI Radeon HD 4890 card, overclocked to 1 GHz at the factory (normally, it runs at 850 MHz); surprisingly, air cooled (I thought that water cooling would be needed).

Water cooling, liquid nitrogen, and dry ice  – which gets the most of your  ATI Radeon HD 4890 graphics card? Learn it  from Zac O’Vadka today’s post.