Keep in mind I ran this with a renamed EXE as ATI has taken it upon themselves to cripple FurMark. I'm using CAT 8.9. Running two instances of GPU-Z 0.2.8 I can confirm that both GPUs were running at 750/900 during the benchmark. This is 19x12 FS MSAA 0/8 with my 4850CF setup: This is 19x12 FS MSAA 0/8 with my 4870x2 setup: The problem? In the 19x12 FS MSAA 8 tests (top right & bottom right) I went from 821 to 676!!!