
Snow Leopard consistently beats Windows 7 in many general performance areas. Windows 7 only managed to outdoes Snow Leopard in the 3D image rendering benchmark and gaming performance in this test.
The test performed by Dong Ngo from Cnet.
Testing Computer:
The test machine is a 15-inch unibody MacBook Pro with a 2.5GHz Intel Core 2 Duo, 4GB of RAM, and a 512MB Nvidia GeForce 9600M GT video card.
Mac OS X Snow Leopard is installed on the stock 320GB hard drive (a Hitachi model HTS543232L9SA0). Windows 7 64-bit is installed on a 320GB Western Digital Scorpio Blue (model WD3200BEVT). These two hard drives have virtually the same specs, supporting a SATA 3Gbps interface, having 8MB of cache memory, and spinning at 5,400rpm.
The tester chose Windows 7 64-bit as Apple claims Snow Leopard is now a pure 64-bit OS with most of its built-in applications being constructed with 64-bit code.
Testing Softwares:
For each OS, during the tests, the computer had the following software installed: iTunes 9, QuickTime, Call of Duty 4 Modern Warfare, and Cinebench R10. All are 64-bit except Call of Duty and QuickTime. Windows 7 was tested with QuickTime 7 (version 7.6.4), which is 32-bit, and Snow Leopard was tested with QuickTime X, which comes with the OS. The reason is that QuickTime X is not currently available for Windows and you can't install QuickTime 7 on Snow Leopard.

Windows 7 noticeably outdoes Snow Leopard in the 3D image rendering benchmark.

Windows 7 plays 3D games better than Snow Leopard.

Snow Leopard lasted significantly longer than Windows 7 on a single charge.
This post has been edited by Ultimate John: 16 October 2009 - 05:50 PM

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