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Isn't much of the UI rendering in OSX now dependant on the GPU? All the transitions, transparencies, scaling etc. I know the UI on the latest MBA feels a lot snappier than it did on the older ones, and they all used pretty much the same CPU. 320M really gave the UI rendering speed a clear boost.

Either way, I wouldn't worry too much about this as long as Apple implements the newest revision on ULV SB where the GPU doesn't run at 50% of speed of the LV one.
 
I think the reason people are mad is because generally when an upgrade to a product line comes out, the parts become better, but in the case of the GPU it is the same or worse. I don't think people expect the Macbook Air to be running games on ultra at 60fps+, it is just kind of a let down of the performance of the Intel HD3000 has compared to the 320m.
 
Isn't much of the UI rendering in OSX now dependant on the GPU? All the transitions, transparencies, scaling etc. I know the UI on the latest MBA feels a lot snappier than it did on the older ones, and they all used pretty much the same CPU. 320M really gave the UI rendering speed a clear boost.

Actually, a lot of this is probably due to the SSD. Graphics need to be loaded from disk before shown on screen.
 
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