ATI Radeon HD 4870 Performance Preview

But the HD 4850 was only the first round in the salvo being fired at NVIDIA, and today we take a look at the 4850’s big brother: the Radeon HD 4870.

Like the HD 4850, the HD 4870 is also based on AMD’s new RV770 chip, though with a higher clock speed: 750MHz compared to the 4850’s 625MHz.

The HD 4870 is also the first graphics board that brings GDDR5 to the market. If the HD 4850 gave the GeForce 8800 GTX a run for its money at $200 USD, what will the HD 4870 do to its competition? How would two HD 4870s in CrossFire hold up to one of NVIDIA’s new GTX 280s? Today we find out, but first let’s take a quick look at what GDDR5 memory brings to the table.

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