How much faster are the MacBook Pro “Core 2 Duo” models compared to the “Core Duo” systems?
Please note that all systems mentioned in this Q&A have been discontinued. The “Late 2006” MacBook Pro “Core 2 Duo” models were replaced by the “Mid-2007” MacBook Pro Core 2 Duo “Santa Rosa” series on June 5, 2007. Apple claims that the fastest MacBook Pro “Core 2 Duo” system — the MacBook Pro “Core 2 Duo” 2.33 17-Inch — is “up to 39% faster than its predecessor” based on the “SPECint_rate_base2000” benchmark. However, real-world performance is more modest. Review a quick comparison of the different MacBook Pro “Core 2 Duo” system specs, and one would notice that all have 4 MB of level 2 cache, twice as much as the replaced “Core Duo” models. In addition to 4 MB of level 2 cache, the Core 2 Duo processor design is modestly more efficient than the Core Duo processor that it replaced. You might be interested in reading through the details of both the Core Duo and Core 2 Duo processors from Intel’s website, but in particular Intel promotes that the Core 2 Duo offers “wide dynamic execut
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