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Compare Intel® Products

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Product NameIntel® Pentium® Processor Extreme Edition 840 (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® Pentium® Processor Extreme Edition 955 (4M Cache, 3.46 GHz, 1066 MHz FSB) Intel® Pentium® Processor Extreme Edition 965 (4M Cache, 3.73 GHz, 1066 MHz FSB)
Code Name Smithfield Presler Presler
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Essentials
StatusEOISEOISEOIS
Launch DateQ2'05Q1'06Q1'06
Processor Number840955965
# of Cores222
Clock Speed3.2 GHz3.46 GHz3.73 GHz
Cache2 MB L2 Cache4 MB L2 Cache4 MB L2 Cache
Bus TypeFSBFSBFSB
System Bus800 MHz1066 MHz1066 MHz
FSB ParityNoNoNo
Instruction Set64-bit64-bit64-bit
Embedded Options AvailableNoNoNo
Lithography90 nm65 nm65 nm
Max TDP130 W130 W130 W
VID Voltage Range1.200-1.400V1.200V-1.3375V1.200V-1.3375V
Recommended Customer PriceN/AN/ATRAY: $999.00
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Memory Specifications
Physical Address Extensions32-bit32-bit32-bit
ECC Memory SupportedNoNoNo
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Package Specifications
TCASE69.8°C68.6°C68.6°C
Package Size37.5mm x 37.5mm37.5mm x 37.5mm37.5mm x 37.5mm
Processing Die Size206 mm2162 mm2162 mm2
# of Processing Die Transistors230 million376 million376 million
Sockets SupportedPLGA775PLGA775PLGA775
Low Halogen Options AvailableSee MDDSSee MDDSSee MDDS
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Advanced Technologies
Intel® Turbo Boost TechnologyNoNoNo
Intel® Hyper-Threading TechnologyYesYesYes
Intel® Virtualization Technology (VT-x)NoYesYes
Intel® Virtualization Technology for Directed I/O (VT-d)NoNoNo
Intel® Trusted Execution TechnologyNoNoNo
AES New InstructionsNoNoNo
Intel® 64YesYesYes
Idle StatesYesNoNo
Enhanced Intel SpeedStep® TechnologyNoNoNo
Intel® Demand Based SwitchingNoNoNo
Thermal Monitoring TechnologiesNoYesYes
Execute Disable BitYesYesYes