The newcomer is AMD’s spiffy new Radeon HD 5870. With an 850MHz engine clock and 1,200MHz GDDR5 clock, AMD’s new progeny looks like it has the chops to take on Nvidia. But we’ve been disappointed by promising GPUs from AMD’s graphics division in the past.
Not this time.
We tested three cards (also tossing in AMD’s previous best, the Radeon HD 4890) in a Core i7 975 system with 6GB of RAM, running on an Asus Rampage II X58 motherboard. All that CPU horsepower is to ensure that the benchmarks stress the graphics card, rather than be held back by CPU or RAM. We used Windows 7 Ultimate RTM as the OS.
After the smoke cleared, the 285 GTX looked like a tired fighter who’d been rope-a-doped and KO’d. The performance differences aren’t minor, they’re huge: The Radeon HD 5870 was 63 percent faster in Crysis, 32 percent faster in Far Cry 2, 33 percent faster in STALKER, and even 24 percent faster in Battleforge, an RTS that’s arguably more dependent on CPU than graphics.
This round of the endless GPU wars, then, is clearly owned by AMD, at least for single-GPU cards. And with performance like this, who wants the heat and power consumption of a dual-GPU card.
On the other hand, we won’t count Nvidia out. While Nvidia’s current high end is now relegated to the status of also-rans, the company is slaving away on its DirectX 11 GPU, code-named GT300. When that ships, expect a rematch.
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