Our friends at Sapphire, the world’s largest builder of AMD/ATI Radeon video cards, sent me a nice box the other day. Today I will be looking at the Sapphire Radeon HD 5850, the latest successor to two great video cards, the HD 3850 and HD 4850. When I first received an HD 3850, I was pleasantly surprised by its performance. I called the HD 4850 “the most significant product to enter the market in 2008”, and I still stand by that comment. Will the Radeon HD 5850 do its predecessors proud? Read on to see!