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Compare Intel® Products

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Product Name
Intel® Core™ i7-920XM Processor Extreme Edition (8M Cache, 2.00 GHz) Intel® Core™ i7-940XM Processor Extreme Edition (8M Cache, 2.13 GHz)
Code Name
Clarksfield Clarksfield
Processor Number
i7-920XM i7-940XM
End of Interactive Support End of Interactive Support
Launch Date
Q3'09 Q3'10
45 nm 45 nm
Recommended Customer Price
# of Cores
4 4
# of Threads
8 8
Processor Base Frequency
2.00 GHz 2.13 GHz
Max Turbo Frequency
3.20 GHz 3.33 GHz
8 MB SmartCache 8 MB SmartCache
Bus Speed
2.5 GT/s DMI 2.5 GT/s DMI
55 W 55 W
Supplemental Information
Embedded Options Available
No No
Link Link
Memory Specifications
Max Memory Size (dependent on memory type)
8 GB 8 GB
Memory Types
DDR3 1066/1333 DDR3 1066/1333
Max # of Memory Channels
2 2
Max Memory Bandwidth
21 GB/s 21 GB/s
Physical Address Extensions
36-bit 36-bit
ECC Memory Supported
No No
Expansion Options
PCI Express Revision
2 2
PCI Express Configurations
1x16, 2x8 1x16, 2x8
Max # of PCI Express Lanes
16 16
Package Specifications
Sockets Supported
PGA988 PGA988
Max CPU Configuration
1 1
100°C 100°C
Package Size
37.5mm x 37.5mm 37.5mm x 37.5mm
Processing Die Size
296 mm2 296 mm2
# of Processing Die Transistors
774 million 774 million
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost Technology
1.0 1.0
Intel® vPro Technology
No No
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
SSE4.2 SSE4.2
Idle States
Yes Yes
Enhanced Intel SpeedStep® Technology
Yes Yes
Intel® Demand Based Switching
No No
Thermal Monitoring Technologies
Yes Yes
Intel® Data Protection Technology
Intel® AES New Instructions
No No
Intel® Platform Protection Technology
Trusted Execution Technology
Yes Yes
Execute Disable Bit
Yes Yes