Ryzen 9 7900X vs i9-9800X

Primary details

Comparing Core i9-9800X and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated123
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiencyno data18.11
Architecture codenameSkylake-X (2018)Raphael (Zen4) (2022−2023)
Release dateOctober 2018 (6 years ago)27 September 2022 (2 years ago)

Detailed specifications

Core i9-9800X and Ryzen 9 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 cores8 (Octa-Core)12 (Dodeca-Core)
Threads1624
Base clock speedno data4.7 GHz
Boost clock speed3.8 GHz5.6 GHz
L1 cache64K (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16.5 MB (shared)64 MB (shared)
Chip lithography14 nm5 nm
Die sizeno data2x 70 (CCD) mm2 + 122 (I/O) mm2
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)72 °C47 °C
Number of transistorsno dataCCD: 6,5 Mrd + IOD: 3,4 Mrd Million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i9-9800X and Ryzen 9 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 configuration11
Socket2066AM5
Power consumption (TDP)165 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9800X and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
TSX+-
Precision Boost 2no data+

Security technologies

Core i9-9800X and Ryzen 9 7900X 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 9 7900X 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 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-5200

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by Core i9-9800X and Ryzen 9 7900X.

PCIe versionno data5.0
PCI Express lanesno data24

Pros & cons summary


Physical cores 8 12
Threads 16 24
Chip lithography 14 nm 5 nm
Power consumption (TDP) 165 Watt 170 Watt

i9-9800X has 3% lower power consumption.

Ryzen 9 7900X, on the other hand, has 50% more physical cores and 50% more threads, and a 180% more advanced lithography process.

We couldn't decide between Core i9-9800X and Ryzen 9 7900X. We've got no test results to judge.


Should you still have questions on choice between Core i9-9800X and Ryzen 9 7900X, ask them in Comments section, and we shall answer.

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Intel Core i9-9800X
Core i9-9800X
AMD Ryzen 9 7900X
Ryzen 9 7900X

Similar processor comparisons

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Community ratings

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3.8 4 votes

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4.3 1141 vote

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Questions & comments

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