ATI Radeon HD 4000 Series discussion

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I don't the 4870 results are legit (though gt200 ones probably are) because we're talking about 50% more shaders and double the texture power, the increase should be far more than 25% (over the 3870) for such a high level of detail.

Remember that the shader clock on the 4870 is rumored to be 1,050 MHz (200 MHz over the core clock). When you take this into account, the 4870 has (in theory) twice the shader power of the 3870, not 50% more.