Phenom II X4 955 (95W) vs i9-7900X

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Primary details

Comparing Core i9-7900X and Phenom II X4 955 (95W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking560not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.80no data
Market segmentDesktop processorDesktop processor
SeriesCore i9 (Desktop)no data
Power efficiency8.95no data
Architecture codenameSkylake (server) (2017−2019)Deneb (2009−2011)
Release date30 May 2017 (7 years ago)1 April 2009 (15 years ago)
Launch price (MSRP)$999no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-7900X and Phenom II X4 955 (95W) 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 cores10 (Deca-Core)4 (Quad-Core)
Threads204
Base clock speed3.3 GHz3.2 GHz
Boost clock speed4.5 GHz3.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier33no data
L1 cache640 KB128 KB (per core)
L2 cache10 MB512 KB (per core)
L3 cache13.75 MB6 MB (shared)
Chip lithography14 nm45 nm
Die sizeno data258 mm2
Maximum core temperature95 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data758 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-7900X and Phenom II X4 955 (95W) 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
SocketSocket R4AM3
Power consumption (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Phenom II X4 955 (95W). You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7900X and Phenom II X4 955 (95W) technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Phenom II X4 955 (95W) are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Phenom II X4 955 (95W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Phenom II X4 955 (95W).

PCIe version3.02.0
PCI Express lanes44no data

Pros & cons summary


Recency 30 May 2017 1 April 2009
Physical cores 10 4
Threads 20 4
Chip lithography 14 nm 45 nm
Power consumption (TDP) 140 Watt 95 Watt

i9-7900X has an age advantage of 8 years, 150% more physical cores and 400% more threads, and a 221.4% more advanced lithography process.

Phenom II X4 955 (95W), on the other hand, has 47.4% lower power consumption.

We couldn't decide between Core i9-7900X and Phenom II X4 955 (95W). We've got no test results to judge.


Should you still have questions on choice between Core i9-7900X and Phenom II X4 955 (95W), ask them in Comments section, and we shall answer.

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Intel Core i9-7900X
Core i9-7900X
AMD Phenom II X4 955 (95W)
Phenom II X4 955 (95W)

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Community ratings

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