i9-7900X vs i9-7920X

VS

Aggregate performance score

Core i9-7920X
2017
12 cores / 24 threads, 140 Watt
14.89
+12.4%
Core i9-7900X
2017
10 cores / 20 threads, 140 Watt
13.25

Core i9-7920X outperforms Core i9-7900X by a moderate 12% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7920X and Core i9-7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking476568
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.302.96
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9Core i9 (Desktop)
Power efficiency10.078.96
Architecture codenameSkylake (server) (2017−2018)Skylake (server) (2017−2018)
Release date30 May 2017 (7 years ago)30 May 2017 (7 years ago)
Launch price (MSRP)$1,199$999

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7920X has 11% better value for money than i9-7900X.

Detailed specifications

Core i9-7920X and Core i9-7900X 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 cores12 (Dodeca-Core)10 (Deca-Core)
Threads2420
Base clock speed2.9 GHz3.3 GHz
Boost clock speed4.4 GHz4.5 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplierno data33
L1 cache768 KB640 KB
L2 cache12 MB10 MB
L3 cache16.5 MB (shared)13.75 MB
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperature95 °C95 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-7920X and Core i9-7900X 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)
SocketFCLGA2066Socket R4
Power consumption (TDP)140 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X and Core i9-7900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Turbo Boost Max 3.0++

Security technologies

Core i9-7920X and Core i9-7900X technologies aimed at improving security, for example, by protecting against hacks.

EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7920X and Core i9-7900X are enumerated here.

AMD-V-+
VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Core i9-7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB128 GB
Max memory channels44
Maximum memory bandwidth85.33 GB/s85.33 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and Core i9-7900X.

PCIe version3.03.0
PCI Express lanes4444

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-7920X 14.89
+12.4%
i9-7900X 13.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-7920X 23653
+12.4%
i9-7900X 21040

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-7920X 1374
i9-7900X 1444
+5.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-7920X 9219
+4.1%
i9-7900X 8857

Gaming performance

Pros & cons summary


Performance score 14.89 13.25
Physical cores 12 10
Threads 24 20

i9-7920X has a 12.4% higher aggregate performance score, and 20% more physical cores and 20% more threads.

The Core i9-7920X is our recommended choice as it beats the Core i9-7900X in performance tests.


Should you still have questions on choice between Core i9-7920X and Core i9-7900X, ask them in Comments section, and we shall answer.

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Intel Core i9-7920X
Core i9-7920X
Intel Core i9-7900X
Core i9-7900X

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Community ratings

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Questions & comments

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