Originally Posted by XanderF
(Even stock, these maul a 5800U badly. Yeah, it has 1ghz memory. So, what? It's 128bit! To be faster than a 5900XT's 256bit at 800mhz, it would have to be running at 1.6ghz!!!)
It would have to be faster than that because the 5800 runs DDR-2 which has higher latency than the 5900's "older" DDR-1.
So yes, grab a 5900XT or a 9800 Pro if you're not adverse to trying an ATI card.