With the MacBook, however, the benefits of the brain transplant are more modest. There are at least three reasons for the difference. First, the Core 2 Duo processors in the MacBooks run at the same clock speeds—1.83GHz in the $1,099 base configuration, 2.0GHz in the $1,299 and $1,499 models—as their original core predecessors; in the Pro family, by contrast, the new chips run at slightly higher speeds than the previous processors. Second, while most versions of the Core 2 Duo CPU feature 4MB of performance-enhancing Level 2 cache memory (twice as much as any Core Duo chip), Apple chose to use a stripped-down Core 2 Duo with only 2MB of L2 cache in the $1,099 MacBook. And third, in the updated MacBook Pro models the new processors are combined with improvements in graphics processing; in the new MacBooks, the graphics subsystem is unchanged.
Apart from being greatly impressed by the OS X Operating System, I have recently been on the look out for a more portable notebook solution. After having ceased to play computer games due to excessive workload issues, I began to notice how big and heavy my 15.4 inch Asus A6Va really was. Also, as my university course has been focusing more and more on UNIX based systems in the past year and sensing that the trend is not going to change, I began to develop the need for a UNIX based Operating System. Linux, of course, would be an obvious solution, but I often find the popular Open Source Operating System act particularly unfriendly towards me.
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