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Compare Intel® Products

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Product NameIntel® Xeon® Processor E5-2643 (10M Cache, 3.30 GHz, 8.00 GT/s Intel® QPI) Intel® Xeon® Processor E5-2640 (15M Cache, 2.50 GHz, 7.20 GT/s Intel® QPI)
Code Name Sandy Bridge-EP Sandy Bridge-EP
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Essentials
StatusLaunchedLaunched
Launch DateQ1'12Q1'12
Processor NumberE5-2643E5-2640
# of Cores46
# of Threads812
Clock Speed3.3 GHz2.5 GHz
Max Turbo Frequency3.5 GHz3 GHz
Cache10 MB 15 MB
Bus TypeQPIQPI
System Bus8 GT/s7.2 GT/s
# of QPI Links22
Instruction Set64-bit64-bit
Instruction Set ExtensionsAVXAVX
Embedded Options AvailableNoNo
Lithography32 nm32 nm
Scalability2S Only2S Only
Max TDP130 W95 W
VID Voltage Range0.60V-1.35V0.60V-1.35V
Recommended Customer PriceTRAY: $885.00TRAY: $885.00
BOX : $889.00
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Memory Specifications
Max Memory Size (dependent on memory type)750 GB750 GB
Memory TypesDDR3-800/1066/1333/1600DDR3-800/1066/1333
# of Memory Channels44
Max Memory Bandwidth51.2 GB/s42.6 GB/s
ECC Memory SupportedYesYes
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Expansion Options
PCI Express Revision3.03.0
# of PCI Express Lanes4040
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Package Specifications
Max CPU Configuration22
TCASE73°C73 °C
Package Size52.5mm x 45.0mm52.5mm x 45.0mm
Sockets SupportedFCLGA2011FCLGA2011
Low Halogen Options AvailableSee MDDSSee MDDS
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Advanced Technologies
Intel® Turbo Boost Technology2.01.0
Intel® vPro TechnologyYesYes
Intel® Hyper-Threading TechnologyYesYes
Intel® Virtualization Technology (VT-x)YesYes
Intel® Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® Trusted Execution TechnologyYesYes
AES New InstructionsYesYes
Intel® 64YesYes
Idle StatesYesYes
Enhanced Intel SpeedStep® TechnologyYesYes
Intel® Demand Based SwitchingYesYes
Thermal Monitoring TechnologiesYesYes
Intel® Flex Memory AccessYesYes
Execute Disable BitYesYes
Intel® VT-x with Extended Page Tables (EPT)YesYes
Intel® Identity Protection TechnologyYesYes
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