i7-975 Extreme Edition vs Phenom II X4 945 (95W)

Primary details

Comparing Phenom II X4 945 (95W) 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
Seriesno dataIntel Core i7EE
Architecture codenameDeneb (2009−2011)Nehalem (2008−2010)
Release date22 July 2009 (15 years ago)2 June 2009 (15 years ago)

Detailed specifications

Phenom II X4 945 (95W) 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)
Threads48
Base clock speed3 GHzno data
Boost clock speed3 GHz3.33 GHz
Bus typeno dataQPI
Bus rateno data6.4 GT/s
Multiplierno data25
L1 cache128 KB (per core)no data
L2 cache512 KB (per core)1 MB
L3 cache6 MB (shared)8 MB
Chip lithography45 nm45 nm
Die size258 mm2263 mm2
Number of transistors758 million731 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X4 945 (95W) 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)
SocketAM3no data
Power consumption (TDP)95 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 945 (95W) and Core i7-975 Extreme Edition. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 945 (95W) and Core i7-975 Extreme Edition are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 945 (95W) and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory sizeno data24 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 945 (95W) and Core i7-975 Extreme Edition.

PCIe version2.0no data

Pros & cons summary


Recency 22 July 2009 2 June 2009
Threads 4 8
Power consumption (TDP) 95 Watt 130 Watt

Phenom II X4 945 (95W) has an age advantage of 1 month, and 36.8% lower power consumption.

i7-975 Extreme Edition, on the other hand, has 100% more threads.

We couldn't decide between Phenom II X4 945 (95W) and Core i7-975 Extreme Edition. We've got no test results to judge.


Should you still have questions on choice between Phenom II X4 945 (95W) and Core i7-975 Extreme Edition, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 945 (95W)
Phenom II X4 945 (95W)
Intel Core i7-975 Extreme Edition
Core i7-975 Extreme Edition

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Community ratings

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