i7-975 Extreme Edition vs Xeon E5-2640

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Primary details

Comparing Xeon E5-2640 and Core i7-975 Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1437not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.96no data
Market segmentServerDesktop processor
Seriesno dataIntel Core i7EE
Power efficiency3.95no data
Architecture codenameSandy Bridge-EP (2012)Nehalem (2008−2010)
Release date6 March 2012 (12 years ago)2 June 2009 (15 years ago)
Launch price (MSRP)$162no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2640 and Core i7-975 Extreme Edition basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores6 (Hexa-Core)4 (Quad-Core)
Threads128
Base clock speed2.5 GHzno data
Boost clock speed3 GHz3.33 GHz
Bus typeno dataQPI
Bus rate7.2 GT/s6.4 GT/s
Multiplierno data25
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)1 MB
L3 cache15360 KB (shared)8 MB
Chip lithography32 nm45 nm
Die size435 mm2263 mm2
Maximum core temperature73 °Cno data
Number of transistors2,270 million731 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2640 and Core i7-975 Extreme Edition compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration21 (Uniprocessor)
SocketFCLGA2011no data
Power consumption (TDP)95 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 and Core i7-975 Extreme Edition. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data

Security technologies

Xeon E5-2640 and Core i7-975 Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 and Core i7-975 Extreme Edition are enumerated here.

VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size384 GB24 GB
Max memory channels4no data
Maximum memory bandwidth42.6 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 and Core i7-975 Extreme Edition.

PCIe version3.0no data
PCI Express lanes40no data

Pros & cons summary


Recency 6 March 2012 2 June 2009
Physical cores 6 4
Threads 12 8
Chip lithography 32 nm 45 nm
Power consumption (TDP) 95 Watt 130 Watt

Xeon E5-2640 has an age advantage of 2 years, 50% more physical cores and 50% more threads, a 40.6% more advanced lithography process, and 36.8% lower power consumption.

We couldn't decide between Xeon E5-2640 and Core i7-975 Extreme Edition. We've got no test results to judge.

Be aware that Xeon E5-2640 is a server/workstation processor while Core i7-975 Extreme Edition is a desktop one.


Should you still have questions on choice between Xeon E5-2640 and Core i7-975 Extreme Edition, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon E5-2640
Xeon E5-2640
Intel Core i7-975 Extreme Edition
Core i7-975 Extreme Edition

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Community ratings

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4.1 1106 votes

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3.5 28 votes

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