sourceNvidia GeForce 9800 GT And ATI Radeon 4870 Get A 225 Watt TDP
as well as power and cooling requirements. We recently learned that the GeForce 9800GT and Radeon 4870, both of which will aim at the sub-$300 segment
Keep in mind that you will be able to buy two 4870 boards for the price of a single GTX280.
And form the initial reports the Ati4870 and the nVidia Gt280 performance will be close. The nVidia winning , but only by a little.
PS. I posted this here cuz the ATI vs NVIDIA thread is busted..