When the covers were slipped off the HD 5870 last week, what emerged was the new champ in graphics performance that could also boast a pretty aggressive price to performance ratio. The only question left for many was whether the slightly hamstrung version of the same Cypress chip, the HD 5850, would be able to offer even better value for money. With a suggested retail price of $259, lower power consumption under load and a shorter circuit board to cram into your case, the 5850 certainly appeals to the more sensible end of the graphics card mar