EssentialsProduct CollectionLegacy Intel® Xeon® Processors
Code NameProducts formerly Westmere EP
Vertical SegmentServer
Processor NumberX5680
Off RoadmapNo
StatusDiscontinued
Launch DateQ1'10
Lithography32 nm
Recommended Customer Price$1666.00Performance# of Cores6
# of Threads12
Processor Base Frequency3.33 GHz
Max Turbo Frequency3.60 GHz
Cache12 MB Intel® Smart Cache
Bus Speed6.4 GT/s
# of QPI Links2
TDP130 W
VID Voltage Range0.750V-1.350V
Supplemental InformationEmbedded Options AvailableNo
DatasheetView now
Memory SpecificationsMax Memory Size (dependent on memory type)288 GB
Memory TypesDDR3 800/1066/1333
Max # of Memory Channels3
Max Memory Bandwidth32 GB/s
Physical Address Extensions40-bit
ECC Memory Supported ‡Yes
Package SpecificationsSockets SupportedFCLGA1366
Max CPU Configuration2
TCASE78.5°C
Package Size42.5mm x 45mm
Advanced TechnologiesIntel® Turbo Boost Technology ‡1.0
Intel® Hyper-Threading Technology ‡Yes
Intel® Virtualization Technology (VT-x) ‡Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡Yes
Intel® VT-x with Extended Page Tables (EPT) ‡Yes
Intel® 64 ‡Yes
Instruction Set64-bit
Instruction Set ExtensionsIntel® SSE4.2
Idle StatesYes
Enhanced Intel SpeedStep® TechnologyYes
Intel® Demand Based SwitchingYes
Thermal Monitoring TechnologiesNo
Security & ReliabilityIntel® AES New InstructionsYes
Intel® Trusted Execution Technology ‡Yes
Execute Disable Bit ‡Yes