One of the biggest features of Snow Leopard isn't something apparent to the naked eye: software tweaks and refinements intended to make OS X a leaner, meaner OS for your fighting Apple machine. But is Snow Leopard really any faster? Now that I've successfully upgraded two Macs to Snow Leopard I've got some benchmarking results to share.
My Early 2008 MacBook Pro shipped with OS X Leopard 10.5.2 installed. I ran Geekbench on the stock OS X installation after upgrading the RAM to 4 GB to get a baseline for comparison of future performance. 18 months later I ran the same test immediately after updating to 10.6. Both tests were performed with Geekbench testing in 32-bit mode immediately after a restart, with no other programs open except the Finder, nothing loaded in Dashboard, and no Time Machine backup running.
Intel Core 2 Duo @ 2.60 GHz w/ 4GB RAM
Average Overall Geekbench score for this model of MacBook Pro: 3304
Read on for the scores.