Several months late and supposedly only a couple of weeks ahead of NVIDIA’s own dual-GPU flagship launch, AMD’s Radeon HD 6990 has no trouble establishing performance superiority. But does speed at any cost sacrifice too much of the user experience?

In drag racing, they say ‘a chase is a race.’ In other words, if you floor it and the guy next to you follows suit, that’s a race, and you’d better be prepared to pay up at the finish if it’s a money contest.

Both AMD and NVIDIA have ridiculous dual-GPU hot rods they’ve been tweaking and tuning for months. Understandably, they want to stay secretive about their respective power plants. But neither one seems willing to mash the pedal and risk an embarrassing second-place finish. It’s a good thing that these two companies don’t live their lives a quarter-mile at a time. I can just see Vin, shaking his head in disappointment.

• READ MORE (Source): AMD Radeon HD 6990 4 GB Review: Antilles Makes (Too Much) Noise : AMD’s Dual-Cayman Board Mashes The Gas