ASUS has a reputation for bringing cream-of-the-crop products to the marketplace, and branding them with the TOP badge. The new Radeon RV790 GPU is the next well-bred concept from the ATI labs, and in this article Benchmark Reviews tests the performance of the new ASUS Radeon HD 4890 GDDR5 EAH4890TOP video card against the rest of the high-end segment. Overclocked to 900MHz this Radeon 4890 is the most-powerful single GPU video card produced by AMD, it's going to be a tough fight to beat out NVIDIA.
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