Intel PentiumDuo

Pentium Dual-Core

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The Pentium Dual-Core brand refers to mainstream x86-architecture microprocessors from Intel. They are based on either the 32-bit Yonah or (with quite different microarchitectures) 64-bit Merom, Allendale, and, more recently, with the launch of the model E5200, Wolfdale core, targeted at mobile or desktop computers.

In terms of features, price and performance at a given clock frequency, Pentium Dual-Core processors are positioned above Celeron but below Core and Core 2 microprocessors in Intel’s product range.

In 2006, Intel announced a plan[1] to return the Pentium brand from retirement to the market, as a moniker of low-cost Core architecture processors based on single-core Conroe-L, but with 1 MB cache. The numbers for those planned Pentiums were similar to the numbers of the latter Pentium Dual-Core CPUs, but with the first digit “1”, instead of “2”, suggesting their single-core functionality. Apparently[weasel words], a single-core Conroe-L with 1 MB cache was not strong enough to distinguish the planned Pentiums from other planned Celerons, so it was replaced by dual-core CPUs, bringing the “Dual-Core” add-on to the “Pentium” moniker. Throughout 2009, Intel changed the name back from Pentium Dual-Core to Pentium in its publications. Some processors are sold under both names. The SU2xxx series ultra-low voltage Pentium is again a single-core processor.


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