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Compare Intel® Products

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Product Name
Intel® Xeon® Processor E5-2650 (20M Cache, 2.00 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
Processor Number
E5-2650 E5-2640
End of Life End of Life
Launch Date
Q1'12 Q1'12
Expected Discontinuance
Q2'15 Q2'15
32 nm 32 nm
Recommended Customer Price
$1107.00 - $1112.00 $885.00 - $889.00
# of Cores
8 6
# of Threads
16 12
Processor Base Frequency
2.00 GHz 2.50 GHz
Max Turbo Frequency
2.80 GHz 3.00 GHz
20 MB SmartCache 15 MB SmartCache
Bus Speed
8 GT/s QPI 7.2 GT/s QPI
# of QPI Links
2 2
95 W 95 W
VID Voltage Range
0.60V-1.35V 0.60V-1.35V
Supplemental Information
Embedded Options Available
No No
Link Link
Memory Specifications
Max Memory Size (dependent on memory type)
384 GB 384 GB
Memory Types
DDR3 800/1066/1333/1600 DDR3 800/1066/1333
Max # of Memory Channels
4 4
Max Memory Bandwidth
51.2 GB/s 42.6 GB/s
ECC Memory Supported
Yes Yes
Expansion Options
2S Only 2S Only
PCI Express Revision
3.0 3.0
Max # of PCI Express Lanes
40 40
Package Specifications
Sockets Supported
Max CPU Configuration
2 2
77.4°C 73 °C
Package Size
52.5mm x 45.0mm 52.5mm x 45.0mm
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost Technology
2.0 1.0
Intel® vPro Technology
Yes Yes
Intel® Hyper-Threading Technology
Yes Yes
Intel® Virtualization Technology (VT-x)
Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes Yes
Intel® VT-x with Extended Page Tables (EPT)
Yes Yes
Intel® 64
Yes Yes
Instruction Set
64-bit 64-bit
Instruction Set Extensions
Idle States
Yes Yes
Enhanced Intel SpeedStep® Technology
Yes Yes
Intel® Demand Based Switching
Yes Yes
Thermal Monitoring Technologies
Yes Yes
Intel® Flex Memory Access
No No
Intel® Identity Protection Technology
No No
Intel® Data Protection Technology
Intel® AES New Instructions
Yes Yes
Intel® Platform Protection Technology
Trusted Execution Technology
Yes Yes
Execute Disable Bit
Yes Yes