Cinebench R10
You just press the Start All Tests Button and it goes through a OpenGL test and then a single core rendering and then all cores rendering.
Here are the results from my custom "Mac":
CINEBENCH R10
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Processor : Intel® Core2 Quad Q6600
MHz : 3260
Number of CPUs : 4
Operating System : OS X 32 BIT 10.5.4
Graphics Card : NVIDIA GeForce 8800 GTX OpenGL Engine
Resolution : 1920 x 1200
Color Depth : Millions
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Rendering (Single CPU): 3557 CB-CPU
Rendering (Multiple CPU): 12040 CB-CPU
Multiprocessor Speedup: 3.38
Shading (OpenGL Standard) : 6824 CB-GFX
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