The GTX285 (EVGA GTX285SC) is clocked at 675MHz. It also features 1GB of DDR3 RAM clocked at 2,538Mhz. It was tested with version 258.96 of the GeForce drivers because this is the last Zalman compatible 3D driver on record. There is no evidence that later drivers would make a significant difference to the 2D or S-3D gaming performance.
The AMD HD 6870 is factory clocked at 900Mhz and features 1GB DDR5 RAM clocked at 1050Mhz and was tested with Catalyst 10.10.
We acknowledge that Zalman is an interlaced solution (half vertical resolution per eye), and are open to the possibility that there could be a modest drop in performance with full resolution page flipping displays. Future benchmarking will use a different platform. We chose this route because there was no other way to test all driver solutions with a single benchmarking specification.
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