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Intel Pentium Extreme Edition Processors
By  Super Admin  | Published  11/26/2006 | Processors | Rating:
Intel Pentium Extreme Edition Processors
Model Number Frequency L2-Cache Front Side Bus Multiplier Voltage TDP Socket Release Date Part Number(s) Release Price
Pentium Extreme Edition 840 3200 MHz 2 1024 KiB 800 MT/s 16x 1.2/1.4 V 130 W LGA 775 May 1, 2005 HH80551PG0882MM $999 USD

 

Model Number Frequency L2-Cache Front Side Bus Multiplier Voltage TDP Socket Release Date Part Number(s) Release Price
Pentium Extreme Edition 955 3466 MHz 2 2048 KiB 1066 MT/s 13x 1.2/1.337 V 130 W LGA 775 January 16, 2006 HH80553PH0994M $999 USD
Pentium Extreme Edition 965 3733 MHz 2 2048 KiB 1066 MT/s 14x 1.2/1.337 V 130 W LGA 775 March 22, 2006 HH80553PH1094M $999 USD



Pentium Extreme Edition was introduced during the 2nd Quarter 2005 Intel Developers Forum, not to be confused with the "Pentium 4 Extreme Edition" (an earlier, single-core processor occupying the same niche). The processor is based on the dual core Pentium D featuring Intel's Smithfield and later Presler cores, but it has Hyperthreading enabled, thus any operating system will see 4 logical processors (2 physical x 2 virtual cores). It also has an unlocked multiplier to allow for overclocking. It was initially released as Intel Pentium Extreme Edition 840 at 3.20 GHz, in early 2005, at a price point of $999.99 (OEM) or $1,200 (Retail). The only chipsets that will work with the Extreme Edition 840 are Intel's 955X and NVIDIA's nForce4 SLI Intel Edition. Attempting to use an Extreme Edition with an Intel 945-series chipset will disable Hyperthreading, effectively turning the processor into a Pentium D.

The Pentium Extreme Edition based on the Presler core was introduced as the 955, at 3.46 GHz, and uses a 1066 MT/s FSB compared to the 800MT/s on the non-extreme edition. A second version, the 965 at 3.73 GHz followed in March 2006. Many overclockers, however, have been able to overclock the core to 4.26 GHz using air cooling simply by raising the unlocked CPU multiplier

The Presler Extreme Edition will only run combined with Intel 'Broadwater' chipset, the Intel 975X. i975X features the ICH8 southbridge and accepts all LGA775 Pentium 4, Pentium D and Pentium Extreme Edition processors.

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