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Compare Intel® Products

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Product Name
Intel® Core™ i7-975 Processor Extreme Edition (8M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Intel® Xeon® Processor E5-1620 (10M Cache, 3.60 GHz, 0.0 GT/s Intel® QPI) Intel® Xeon® Processor E3-1290 v2 (8M Cache, 3.70 GHz)
Code Name
Bloomfield Sandy Bridge EP Ivy Bridge
End of Interactive Support End of Life End of Life
Launch Date
Q2'09 Q1'12 Q2'12
Processor Number
i7-975 E5-1620 E3-1290V2
8 MB SmartCache 10 MB SmartCache 8 MB SmartCache
Bus Speed
6.4 GT/s QPI 0 QPI 5 GT/s DMI
# of QPI Links
1 0
Instruction Set
64-bit 64-bit 64-bit
Instruction Set Extensions
SSE4.2 AVX SSE4.1/4.2, AVX
Embedded Options Available
No No No
45 nm 32 nm 22 nm
VID Voltage Range
0.800V-1.375V 0.60V - 1.35V
Recommended Customer Price
$1059.00 $294.00 $885.00
Link Link Link
Expected Discontinuance
Conflict Free
# of Cores
4 4 4
# of Threads
8 8 8
Processor Base Frequency
3.33 GHz 3.6 GHz 3.7 GHz
Max Turbo Frequency
3.6 GHz 3.8 GHz 4.1 GHz
130 W 130 W 87 W
Memory Specifications
Max Memory Size (dependent on memory type)
24 GB 375 GB 32 GB
Memory Types
DDR3 800/1066 DDR3 800/1066/1333/1600 DDR3 1333/1600
Max # of Memory Channels
3 4 2
Max Memory Bandwidth
25.6 GB/s 51.2 GB/s 25.6 GB/s
Physical Address Extensions
ECC Memory Supported
No Yes Yes
Package Specifications
Max CPU Configuration
1 1 1
67.9°C 64.0 °C
Package Size
42.5mm x 45.0mm 52.5mm x 45.0 mm 37.5mm x 37.5mm
Processing Die Size
263 mm2
# of Processing Die Transistors
731 million
Sockets Supported
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost Technology
1.0 2.0 2.0
Intel® Hyper-Threading Technology
Yes Yes Yes
Intel® Virtualization Technology (VT-x)
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
No Yes Yes
Thermal Monitoring Technologies
No Yes Yes
Intel® vPro Technology
Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes Yes
Intel® Flex Memory Access
No Yes
Intel® Identity Protection Technology
No Yes
Intel® TSX-NI
Intel® Fast Memory Access
Intel® Data Protection Technology
Intel® AES New Instructions
No Yes Yes
Intel® Platform Protection Technology
Trusted Execution Technology
No Yes Yes
Execute Disable Bit
Yes Yes Yes
Expansion Options
PCI Express Revision
3.0 3.0
Max # of PCI Express Lanes
PCI Express Configurations
1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4