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Intel CPU Question

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Anonymous
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September 5, 2010 6:37:24 PM

Hello,
whats the difference between an intel dual core processor and the core2duo? they are both dual core but yet the core 2 costs more and such..

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September 5, 2010 10:20:35 PM

Dual core is simply a generic term referring to any processor package with two physical CPUs in one. The Pentium D, Core Duo and Core 2 Duo. are all current CPUs that have dual cores in one package.

The Pentium D is simply two Pentium 4 Prescott cpus inefficiently paired together and ran as dual core.

The Core Duo is Intel's first generation dual core processor based upon the Pentium M (a Pentium III-4 hybrid) made mostly for laptops (though a few motherboard manufacturers have released desktop boards supporting the Core Duo CPU), and is much more efficiently than Pentium D.

The Core 2 Duo is Intel's second generation (hence, Core 2) processor made for desktops and laptops designed from the ground up to be fast while not consuming nearly as much power as previous CPUs.
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September 6, 2010 5:29:11 AM

das_stig said:
Dual core is simply a generic term referring to any processor package with two physical CPUs in one. The Pentium D, Core Duo and Core 2 Duo. are all current CPUs that have dual cores in one package.

The Pentium D is simply two Pentium 4 Prescott cpus inefficiently paired together and ran as dual core.

The Core Duo is Intel's first generation dual core processor based upon the Pentium M (a Pentium III-4 hybrid) made mostly for laptops (though a few motherboard manufacturers have released desktop boards supporting the Core Duo CPU), and is much more efficiently than Pentium D.

The Core 2 Duo is Intel's second generation (hence, Core 2) processor made for desktops and laptops designed from the ground up to be fast while not consuming nearly as much power as previous CPUs.


Pentium D is old and discontinued, no longer for sale.

There is another Pentium- Pentium Dual Core. All CPU's- Pentium Dual Core, Core Duo and Core 2 Duo are based on the same Core arhitecture, differences are in cache size, bus speed and features like hardware virtualization. Then there is CPU speed itself.

So same speed Core 2 Duo will normally have more cache memory, faster bus speed and possibly more features like hw virtualization the Pentium Dual Core. In some situations it will make a little difference in others no.
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September 6, 2010 7:16:35 AM

The title of this topic has been edited by Buwish
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March 2, 2011 1:52:29 AM

They are one in the same. Intel Pentium, core 2 duo, core i3, celeron. They have different clock speeds cache and fsb but are all still dual core.
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