An early peek at AMD's Radeon HD 4870 X2

Dr. Damage writes: AMD has quite a hit in the Radeon HD 4000 series. Coming up next is a product code-named R700, a high-end graphics card based on two 4870s paired together. Here's a preliminary look at how the card — to be called the Radeon HD 4870 X2 — performs. Hint: Nvidia's got one heck of a fight on its hands.