Ryzen 9 5900HS vs i9-7940X

Aggregate performance score

Core i9-7940X
2017
14 cores / 28 threads, 165 Watt
16.40
+19.9%
Ryzen 9 5900HS
2021
8 cores / 16 threads, 35 Watt
13.68

Core i9-7940X outperforms Ryzen 9 5900HS by a significant 20% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7940X and Ryzen 9 5900HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking403541
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.92no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9AMD Cezanne (Zen 3, Ryzen 5000)
Power efficiency9.3736.83
Architecture codenameSkylake (server) (2017−2019)Cezanne-HS (Zen 3) (2021)
Release date30 May 2017 (7 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$1,399no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-7940X and Ryzen 9 5900HS 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 GHz
Boost clock speed4.4 GHz4.6 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplierno data30
L1 cache896 KB512 KB
L2 cache14 MB4 MB
L3 cache19.25 MB (shared)16 MB (shared)
Chip lithography14 nm7 nm
Die size484 mm2180 mm2
Maximum core temperature102 °Cno data
Number of transistorsno data10,700 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-7940X and Ryzen 9 5900HS 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
SocketFCLGA2066FP6
Power consumption (TDP)165 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Ryzen 9 5900HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
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 i9-7940X and Ryzen 9 5900HS 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 9 5900HS 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 i9-7940X and Ryzen 9 5900HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
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/AAMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Ryzen 9 5900HS.

PCIe version3.03.0
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 16.40
+19.9%
Ryzen 9 5900HS 13.68

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.

i9-7940X 25954
+19.9%
Ryzen 9 5900HS 21648

Gaming performance

Pros & cons summary


Performance score 16.40 13.68
Recency 30 May 2017 12 January 2021
Physical cores 14 8
Threads 28 16
Chip lithography 14 nm 7 nm
Power consumption (TDP) 165 Watt 35 Watt

i9-7940X has a 19.9% higher aggregate performance score, and 75% more physical cores and 75% more threads.

Ryzen 9 5900HS, on the other hand, has an age advantage of 3 years, a 100% more advanced lithography process, and 371.4% lower power consumption.

The Core i9-7940X is our recommended choice as it beats the Ryzen 9 5900HS in performance tests.

Note that Core i9-7940X is a desktop processor while Ryzen 9 5900HS is a notebook one.


Should you still have questions on choice between Core i9-7940X and Ryzen 9 5900HS, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-7940X
Core i9-7940X
AMD Ryzen 9 5900HS
Ryzen 9 5900HS

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Community ratings

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