Why is Open GL performance so poor on MacBook Air?

I was just comparing the performance of the MacBook Air compared to a MacBook Core Duo 2 GHz. MacBook Air has the newer and slightly faster graphic chipset (GM950 vs X3100), yet the MacBook air Open GL performance is terrible (221 for older MB vs 16.5 for MBA!). MBA even has more graphic memory.
Anyone have any idea why this is?

After a little research it actually looks like the new integrated graphics should have much better GL performance, but apparently the drivers are just not there yet.
Here is hoping to a release soon!

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