Ryzen 5 8540U vs i9-9800X

Primary details

Comparing Core i9-9800X and Ryzen 5 8540U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated662
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiencyno data39.44
Architecture codenameSkylake-X (2018)Hawk Point-U (Zen 4 + Zen 4c) (2023)
Release dateOctober 2018 (6 years ago)6 December 2023 (less than a year ago)

Detailed specifications

Core i9-9800X and Ryzen 5 8540U 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 cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speedno data3.2 GHz
Boost clock speed3.8 GHz4.9 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16.5 MB (shared)16 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data137 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data20,900 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Core i9-9800X and Ryzen 5 8540U 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
Socket2066FP7
Power consumption (TDP)165 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9800X and Ryzen 5 8540U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataAES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
TSX+-
Precision Boost 2no data+

Security technologies

Core i9-9800X and Ryzen 5 8540U technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9800X and Ryzen 5 8540U 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 i9-9800X and Ryzen 5 8540U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 740M

Peripherals

Specifications and connection of peripherals supported by Core i9-9800X and Ryzen 5 8540U.

PCIe versionno data4.0
PCI Express lanesno data14

Pros & cons summary


Physical cores 8 6
Threads 16 12
Chip lithography 14 nm 4 nm
Power consumption (TDP) 165 Watt 28 Watt

i9-9800X has 33.3% more physical cores and 33.3% more threads.

Ryzen 5 8540U, on the other hand, has a 250% more advanced lithography process, and 489.3% lower power consumption.

We couldn't decide between Core i9-9800X and Ryzen 5 8540U. We've got no test results to judge.

Note that Core i9-9800X is a desktop processor while Ryzen 5 8540U is a notebook one.


Should you still have questions on choice between Core i9-9800X and Ryzen 5 8540U, ask them in Comments section, and we shall answer.

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Intel Core i9-9800X
Core i9-9800X
AMD Ryzen 5 8540U
Ryzen 5 8540U

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Community ratings

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3.8 4 votes

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Questions & comments

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