AMD challenges Nvidia's 'fastest graphics card' claim

AMD has launched a scathing attack on its graphics rival Nvidia, following the company's claim that it has the 'world's fastest graphics card.'

The clash came as Dave Erskine, senior PR manager for desktop graphics at AMD, penned a hot-headed blog post on AMD's website.

Mr Erskine challenged Nvidia to 'prove it, don’t just say it. Show us the substantiation. Because as it stands today, leading reviewers agree with us ... that the AMD Radeon HD 6990 sits on the top as the world’s fastest graphics card.'

He listed several review sites linking to benchmarks that do indeed favour the Radeon HD 6990 4GB over Nvidia's new flagship card, the GeForce GTX 590 3GB.

However, the majority of the benchmarks are in the form of Futuremark's latest benchmarking suite, 3DMark 11, rather than real-world game tests.

You can read our full review of the GTX 590 3GB here.

What do you think of AMD and Nvidia's claims? Do 3DMark results constitute enough evidence to substantiate AMD's comments, or should the results come from real games? Let us know your thoughts in the forums.