i9-7940X vs i5-13400

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Aggregate performance score

Core i5-13400
2023
10 cores / 16 threads, 65 Watt
14.65
Core i9-7940X
2017
14 cores / 28 threads, 165 Watt
16.34
+11.5%

Core i9-7940X outperforms Core i5-13400 by a moderate 12% based on our aggregate benchmark results.

Primary details

Comparing Core i5-13400 and Core i9-7940X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking488408
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation46.883.31
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiency21.229.32
Architecture codenameRaptor Lake-S (2023−2024)Skylake (server) (2017−2018)
Release date4 January 2023 (1 year ago)1 September 2017 (7 years ago)
Launch price (MSRP)$221$1,399

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-13400 has 1316% better value for money than i9-7940X.

Detailed specifications

Core i5-13400 and Core i9-7940X 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)14 (Tetradeca-Core)
Threads1628
Base clock speed2.5 GHz3.1 GHz
Boost clock speed4.6 GHz4.4 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
L1 cache80K (per core)64 KB (per core)
L2 cache1.25 MB (per core)1 MB (per core)
L3 cache20 MB (shared)19.25 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die size257 mm2484 mm2
Maximum core temperature100 °C102 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i5-13400 and Core i9-7940X 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)
SocketFCLGA1700FCLGA2066
Power consumption (TDP)65 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-13400 and Core i9-7940X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0-+
Deep Learning Boost+-

Security technologies

Core i5-13400 and Core i9-7940X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-13400 and Core i9-7940X are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-13400 and Core i9-7940X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR4-2666
Maximum memory size192 GB128 GB
Max memory channels24
Maximum memory bandwidth76.8 GB/s85.33 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 730N/A
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.55 GHzno data
Execution Units24no data

Graphics interfaces

Available interfaces and connections of Core i5-13400 and Core i9-7940X integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i5-13400 and Core i9-7940X integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hzno data
Max resolution over eDP5120 x 3200 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i5-13400 and Core i9-7940X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-13400 and Core i9-7940X.

PCIe version5.0 and 4.03.0
PCI Express lanes1644

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.

i5-13400 14.65
i9-7940X 16.34
+11.5%

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.

i5-13400 23272
i9-7940X 25963
+11.6%

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.

i5-13400 2298
+58%
i9-7940X 1454

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.

i5-13400 10195
i9-7940X 10606
+4%

Gaming performance

Pros & cons summary


Performance score 14.65 16.34
Recency 4 January 2023 1 September 2017
Physical cores 10 14
Threads 16 28
Power consumption (TDP) 65 Watt 165 Watt

i5-13400 has an age advantage of 5 years, and 153.8% lower power consumption.

i9-7940X, on the other hand, has a 11.5% higher aggregate performance score, and 40% more physical cores and 75% more threads.

The Core i9-7940X is our recommended choice as it beats the Core i5-13400 in performance tests.


Should you still have questions on choice between Core i5-13400 and Core i9-7940X, ask them in Comments section, and we shall answer.

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Intel Core i5-13400
Core i5-13400
Intel Core i9-7940X
Core i9-7940X

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Community ratings

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


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Questions & comments

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