Search Tips

There are many ways to find the product you are looking for. Here are some examples:

  • By Product Number - i7 920
  • By Ordering Code - BXC80601920
  • By SPEC Code - SLBEJ
  • By Brand Name - core i7
  • By Frequency - 2.66 GHz
  • By Cache Size - 8M
  • By Code Name - Arrandale

The above criteria not only applies to searching for processors but also the other products in our catalog including motherboards, chipsets, networking , servers, and chassis.

Compare Intel® Products

Remove Product Remove Product
Product NameIntel® Xeon® Processor E5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI)Intel® Xeon® Processor E5620 (12M Cache, 2.40 GHz, 5.86 GT/s Intel® QPI)
Code Name Nehalem-EP Westmere-EP
Essentials
StatusLaunchedLaunched
Launch DateQ1'09Q1'10
Processor NumberE5520E5620
# of Cores44
# of Threads88
Clock Speed2.26 GHz2.4 GHz
Max Turbo Frequency2.53 GHz2.66 GHz
Cache8 MB Intel® Smart Cache12 MB Intel® Smart Cache
Bus/Core Ratio1718
Bus TypeQPIQPI
System Bus5.86 GT/s5.86 GT/s
# of QPI Links22
Instruction Set64-bit64-bit
Instruction Set Extensions SSE4.2
Embedded Options AvailableNoYes
Lithography45 nm32 nm
Max TDP80 W80 W
VID Voltage Range0.75V -1.35V0.750V-1.350V
Recommended Customer PriceTRAY: $373
BOX : $391
TRAY: $387
BOX : $391
Memory Specifications
Max Memory Size (dependent on memory type)144 GB288 GB
Memory TypesDDR3 1066/800DDR3-800/1066
# of Memory Channels33
Max Memory Bandwidth25.6 GB/s25.6 GB/s
Physical Address Extensions40-bit40-bit
ECC Memory SupportedYesYes
Graphics Specifications
Integrated Graphics No
Package Specifications
Max CPU Configuration22
TCASE72°C77.6°C
Package Size42.5mm x 45mm42.5mm X 45mm
Processing Die Size263 mm2
# of Processing Die Transistors731 million
Sockets SupportedFCLGA1366FCLGA1366
Low Halogen Options AvailableSee MDDSSee MDDS
Advanced Technologies
Intel® Turbo Boost TechnologyYesYes
Intel® Hyper-Threading TechnologyYesYes
Intel® Virtualization Technology (VT-x)YesYes
Intel® Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® Trusted Execution TechnologyNoYes
AES New Instructions Yes
Intel® 64YesYes
Idle StatesYesYes
Enhanced Intel SpeedStep® TechnologyYesYes
Intel® Demand Based SwitchingYesYes
Thermal Monitoring Technologies No
Execute Disable BitYesYes
Intel® VT-x with Extended Page Tables (EPT)YesYes
Compare Now | Clear Queue | Queue Permalink