Legit Reviews posted a review on the Sapphire Radeon HD 4850 X2 Video Card
A quote from the article:
>> Sapphire Radeon HD 4850 X2 Video Card Review
Today Legit Reviews looks at the new Sapphire Radeon HD 4850 X2 which features 1600 Stream processors, 2GB of GDDR3 memory running at 993MHz and two GPU’s clocked at 625MHz! Sapphire is the only manufacturer to produce and sell the 4850 X2 which competes directly against NVIDIA’s GeForce GTX280. How will the Radeon 4850 X2 do compared to comparably priced GeForce GTX 200 series? Read on and find out.
>> Sapphire Radeon HD 4850 X2 Video Card Review