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Pentium Dual-Core

Pentium Dual-Core
Logo Pentium DualCore thumb2.jpg
Produced From 2006 to 2009
Common manufacturer(s)
  • Intel
Max. CPU clock rate 1.3 GHz to 2.6 GHz
FSB speeds 533 MHz to 800 MHz
Min. feature size 65 nm to 45 nm
Instruction set MMX, SSE, SSE2, SSE3, SSSE3, x86-64
Microarchitecture Core
Cores 2
Socket(s)
Predecessor Pentium M, Pentium D
Successor Pentium (2009)
Core name(s)
  • Yonah
  • Merom-2M
  • Allendale
  • Wolfdale-3M

The Pentium Dual-Core brand was used for mainstream x86-architecture microprocessors from Intel from 2006 to 2009 when it was renamed to Pentium. The processors are based on either the 32-bit Yonah or (with quite different microarchitectures) 64-bit Merom-2M, Allendale, and Wolfdale-3M core, targeted at mobile or desktop computers.

In terms of features, price and performance at a given clock frequency, Pentium Dual-Core processors were positioned above Celeron but below Core and Core 2 microprocessors in Intel's product range. The Pentium Dual-Core was also a very popular choice for overclocking, as it can deliver high performance (when overclocked) at a low price.

In 2006, Intel announced a plan to return the Pentium trademark from retirement to the market, as a moniker of low-cost Core microarchitecture processors based on the single-core Conroe-L but with 1 MiB of cache. The identification numbers for those planned Pentiums were similar to the numbers of the latter Pentium Dual-Core microprocessors, but with the first digit "1", instead of "2", suggesting their single-core functionality. A single-core Conroe-L with 1 MiB cache was deemed as not strong enough to distinguish the planned Pentiums from the Celerons, so it was replaced by dual-core CPUs, adding "Dual-Core" to the line's name. Throughout 2009, Intel changed the name back from Pentium Dual-Core to Pentium in its publications. Some processors were sold under both names, but the newer E5400 through E6800 desktop and SU4100/T4x00 mobile processors were not officially part of the Pentium Dual-Core line.


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