Rendering Tests
While model rendering isn’t a typical use case for majority of notebook users, a high-end gaming notebook is often the best alternative for those needing a mobile CAD workstation.

 
Intel i7 Extreme 920XM with NVIDIA GTX 280M Performance Review - Breaking the Mobile Speed Barrier - Mobile 41
Intel i7 Extreme 920XM with NVIDIA GTX 280M Performance Review - Breaking the Mobile Speed Barrier - Mobile 42
Intel i7 Extreme 920XM with NVIDIA GTX 280M Performance Review - Breaking the Mobile Speed Barrier - Mobile 43

In these rendering tests the i7-920XM system is showing its limitations – it’s well behind the desktop processors, but a fair bit faster than the i7-720QM.

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