i7-975 Extreme Edition vs i7-975

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Primary details

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

Place in the ranking1829not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.10no data
Market segmentDesktop processorDesktop processor
SeriesCore i7 (Desktop)Intel Core i7EE
Power efficiency1.60no data
Architecture codenameBloomfield (2008−2010)Nehalem (2008−2010)
Release date2 June 2009 (15 years ago)2 June 2009 (15 years ago)
Launch price (MSRP)$476no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-975 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 cores4 (Quad-Core)4 (Quad-Core)
Threads88
Base clock speed3.33 GHzno data
Boost clock speed3.6 GHz3.33 GHz
Bus typeno dataQPI
Bus rate1333 MHz6.4 GT/s
Multiplierno data25
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)1 MB
L3 cache8 MB (shared)8 MB
Chip lithography45 nm45 nm
Die size263 mm2263 mm2
Maximum case temperature (TCase)68 °Cno data
Number of transistors731 million731 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-975 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 configuration11 (Uniprocessor)
SocketFCLGA1366no data
Power consumption (TDP)130 Watt130 Watt

Technologies and extensions

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

Instruction set extensionsIntel® SSE4.2no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching-no data
PAE36 Bitno data

Security technologies

Core i7-975 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 Core i7-975 and Core i7-975 Extreme Edition are enumerated here.

VT-x+no data
EPT+no data

Memory specs

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

Supported memory typesDDR3no data
Maximum memory size24 GB24 GB
Max memory channels3no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

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

PCIe version2.0no data

Pros & cons summary


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


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

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Intel Core i7-975
Core i7-975
Intel Core i7-975 Extreme Edition
Core i7-975 Extreme Edition

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Community ratings

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3.6 25 votes

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3.5 28 votes

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Questions & comments

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