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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) Intel® Xeon® Processor E5-2643 (10M Cache, 3.30 GHz, 8.00 GT/s Intel® QPI)
Code Name
Sandy Bridge EP Sandy Bridge EP Sandy Bridge EP
End of Life End of Life End of Life
Launch Date
Q1'12 Q1'12 Q1'12
Expected Discontinuance
Q2'15 Q2'15 Q2'15
Processor Number
E5-2650 E5-2640 E5-2643
20 MB Intel® Smart Cache 15 MB Intel® Smart Cache 10 MB Intel® Smart Cache
Bus Type
System Bus
8 GT/s 7.2 GT/s 8 GT/s
# of QPI Links
2 2 2
Instruction Set
64-bit 64-bit 64-bit
Instruction Set Extensions
Embedded Options Available
No No No
32 nm 32 nm 32 nm
2S Only 2S Only 2S Only
VID Voltage Range
0.60V-1.35V 0.60V-1.35V 0.60V-1.35V
Recommended Customer Price
TRAY: $1107.00
BOX : $1112.00
TRAY: $885.00
BOX : $889.00
TRAY: $885.00
Link Link Link
# of Cores
8 6 4
# of Threads
16 12 8
Processor Base Frequency
2 GHz 2.5 GHz 3.3 GHz
Max Turbo Frequency
2.8 GHz 3 GHz 3.5 GHz
95 W 95 W 130 W
Memory Specifications
Max Memory Size (dependent on memory type)
384 GB 384 GB 384 GB
Memory Types
DDR3 800/1066/1333/1600 DDR3 800/1066/1333 DDR3 800/1066/1333/1600
Max # of Memory Channels
4 4 4
Max Memory Bandwidth
51.2 GB/s 42.6 GB/s 51.2 GB/s
ECC Memory Supported
Yes Yes Yes
Expansion Options
PCI Express Revision
3.0 3.0 3.0
Max # of PCI Express Lanes
40 40 40
Package Specifications
Max CPU Configuration
2 2 2
77.4°C 73 °C 73°C
Package Size
52.5mm x 45.0mm 52.5mm x 45.0mm 52.5mm x 45.0mm
Sockets Supported
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost Technology
2.0 1.0 2.0
Intel® vPro Technology
Yes Yes Yes
Intel® Hyper-Threading Technology
Yes Yes Yes
Intel® Virtualization Technology (VT-x)
Yes Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes Yes Yes
Intel® VT-x with Extended Page Tables (EPT)
Yes Yes Yes
Intel® 64
Yes Yes Yes
Idle States
Yes Yes Yes
Enhanced Intel SpeedStep® Technology
Yes Yes Yes
Intel® Demand Based Switching
Yes Yes Yes
Thermal Monitoring Technologies
Yes Yes Yes
Intel® Flex Memory Access
No No No
Intel® Identity Protection Technology
No No No
Intel® Data Protection Technology
Intel® AES New Instructions
Yes Yes Yes
Intel® Platform Protection Technology
Trusted Execution Technology
Yes Yes Yes
Execute Disable Bit
Yes Yes Yes