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Apple Computing Products:
macOS - Notebook Hardware
CD Vs. C2D
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<blockquote data-quote="Zoolook" data-source="post: 283967" data-attributes="member: 21101"><p>The improvements architecturally that Core2Duo brings are more L2 cache (4mb vs 2mb) and there are more pipelines and decode stages within the CPU, making it more efficient and the addition of EM64T technology (which has been in AMDs Athlon 64 series for 4 years).</p><p></p><p>In terms of clock speeds, in notebooks, Core Duo ranges from 1.2ghz to 2.33ghz. C2D ranges from 1.06ghz to 2.4ghz. Most people will end up with the same speed processor (2ghz is typical), but clock for clock, the C2D can do more work.</p><p></p><p>Here is the real kicker. The C2D is designed to run on an FSB of anything from 533mhz to 800mhz. 800mhz is the optimum speed. The CD only runs on 667mhz. However, all Macs only have C2D's running on 667mhz as well as their CD's, meaning they're essentially crippled.</p><p></p><p>Finally, the RAM each chip can address is the same. The C2D is a better CPU, but to get the most out of it, you need the 800mhz FSB, which I expect Apple will introduce next year.</p></blockquote><p></p>
[QUOTE="Zoolook, post: 283967, member: 21101"] The improvements architecturally that Core2Duo brings are more L2 cache (4mb vs 2mb) and there are more pipelines and decode stages within the CPU, making it more efficient and the addition of EM64T technology (which has been in AMDs Athlon 64 series for 4 years). In terms of clock speeds, in notebooks, Core Duo ranges from 1.2ghz to 2.33ghz. C2D ranges from 1.06ghz to 2.4ghz. Most people will end up with the same speed processor (2ghz is typical), but clock for clock, the C2D can do more work. Here is the real kicker. The C2D is designed to run on an FSB of anything from 533mhz to 800mhz. 800mhz is the optimum speed. The CD only runs on 667mhz. However, all Macs only have C2D's running on 667mhz as well as their CD's, meaning they're essentially crippled. Finally, the RAM each chip can address is the same. The C2D is a better CPU, but to get the most out of it, you need the 800mhz FSB, which I expect Apple will introduce next year. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
CD Vs. C2D
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