AMD Ryzen 7 5800 vs Intel Core i9-7940X

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Combined performance score

i9-7940X
16.90
+0.5%

General info

Comparing Core i9-7940X and Ryzen 7 5800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking329335
Place by popularitynot in top-100not in top-100
Value for money3.7239.06
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9AMD Ryzen 7
Architecture codenameSkylake (server) (2017−2019)Vermeer (2020−2022)
Release date1 September 2017 (6 years old)5 November 2020 (3 years old)
Launch price (MSRP)$1,399no data
Current price$1899 (1.4x MSRP)$343
Value for money

Performance per price, higher is better.

Ryzen 7 5800 has 950% better value for money than i9-7940X.

Technical specs

Core i9-7940X and Ryzen 7 5800 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 cores14 (Tetradeca-Core)8 (Octa-Core)
Threads2816
Base clock speed3.1 GHz3.4 GHz
Boost clock speed4.4 GHz4.6 GHz
Bus support4 × 8 GT/sno data
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)512K (per core)
L3 cache19.25 MB (shared)32 MB
Chip lithography14 nm7 nm, 12 nm
Die size484 mm281 mm2
Maximum core temperature102 °Cno data
Maximum case temperature (TCase)no data95 °C
Number of transistorsno data4,150 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesYes

Compatibility

Information on Core i9-7940X and Ryzen 7 5800 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
SocketFCLGA2066AM4
Power consumption (TDP)165 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Ryzen 7 5800. 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++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+no data
Turbo Boost Max 3.0+no data
StatusDiscontinuedno data

Security technologies

Core i9-7940X and Ryzen 7 5800 technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Ryzen 7 5800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Ryzen 7 5800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels4no data
Maximum memory bandwidth85 GB/s51.196 GB/s
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/A-

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Ryzen 7 5800.

PCIe version3.04.0
PCI Express lanes44no data

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.

i9-7940X 16.90
+0.5%
Ryzen 7 5800 16.82

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.

Benchmark coverage: 68%

i9-7940X 25964
+0.5%
Ryzen 7 5800 25828

Core i9-7940X outperforms Ryzen 7 5800 by 1% in Passmark.

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.

Benchmark coverage: 42%

i9-7940X 1370
Ryzen 7 5800 2049
+49.6%

Ryzen 7 5800 outperforms Core i9-7940X by 50% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i9-7940X 9919
+13.5%
Ryzen 7 5800 8739

Core i9-7940X outperforms Ryzen 7 5800 by 14% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 16.90 16.82
Recency 1 September 2017 5 November 2020
Physical cores 14 8
Threads 28 16
Chip lithography 14 nm 7 nm
Power consumption (TDP) 165 Watt 65 Watt

We couldn't decide between Core i9-7940X and Ryzen 7 5800. The differences in performance seem too small.


Should you still have questions on choice between Core i9-7940X and Ryzen 7 5800, ask them in Comments section, and we shall answer.

User ratings

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


Intel Core i9-7940X
Core i9-7940X
AMD Ryzen 7 5800
Ryzen 7 5800

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Questions and comments

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