i7-975 Extreme Edition vs i7-965 Extreme Edition

Primary details

Comparing Core i7-965 Extreme Edition and Core i7-975 Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7EEIntel Core i7EE
Architecture codenameNehalem (2008−2010)Nehalem (2008−2010)
Release date17 November 2008 (16 years ago)2 June 2009 (15 years ago)

Detailed specifications

Core i7-965 Extreme Edition 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
Boost clock speed3.2 GHz3.33 GHz
Bus typeQPIQPI
Bus rate6.4 GT/s6.4 GT/s
Multiplier2425
L2 cache1 MB1 MB
L3 cache8 MB8 MB
Chip lithography45 nm45 nm
Die size263 mm2263 mm2
Number of transistors731 Million731 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-965 Extreme Edition 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 configuration1 (Uniprocessor)1 (Uniprocessor)
Power consumption (TDP)130 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-965 Extreme Edition and Core i7-975 Extreme Edition. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-965 Extreme Edition and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory size24 GB24 GB

Pros & cons summary


Recency 17 November 2008 2 June 2009

i7-975 Extreme Edition has an age advantage of 6 months.

We couldn't decide between Core i7-965 Extreme Edition and Core i7-975 Extreme Edition. We've got no test results to judge.


Should you still have questions on choice between Core i7-965 Extreme Edition and Core i7-975 Extreme Edition, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-965 Extreme Edition
Core i7-965 Extreme Edition
Intel Core i7-975 Extreme Edition
Core i7-975 Extreme Edition

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


5 3 votes

Rate Core i7-965 Extreme Edition on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 28 votes

Rate Core i7-975 Extreme Edition on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-965 Extreme Edition or Core i7-975 Extreme Edition, agree or disagree with our judgements, or report an error or mismatch.