Ryzen 7 7800X vs Ryzen 9 PRO 3900

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Primary details

Comparing Ryzen 9 PRO 3900 and Ryzen 7 7800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking280not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9AMD Ryzen 7
Power efficiency28.97no data
Architecture codenameZen 2 (2017−2020)Zen 4
Release date30 September 2019 (5 years ago)no data (2024 years ago)

Detailed specifications

Ryzen 9 PRO 3900 and Ryzen 7 7800X 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3.1 GHz4.2 GHz
Boost clock speed4.3 GHz5 GHz
L1 cache768 KB512 KB
L2 cache6 MB8 MB
L3 cache64 MB96 MB
Chip lithography7 nm, 12 nm5 nm, 6 nm
Die sizeno data71+122 mm
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 PRO 3900 and Ryzen 7 7800X 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)no data
SocketSocket AM4no data
Power consumption (TDP)65 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 PRO 3900 and Ryzen 7 7800X. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 PRO 3900 and Ryzen 7 7800X are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 3900 and Ryzen 7 7800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200no data
Maximum memory size128 GB128 GB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Pros & cons summary


Physical cores 12 8
Threads 24 16
Chip lithography 7 nm 5 nm
Power consumption (TDP) 65 Watt 120 Watt

Ryzen 9 PRO 3900 has 50% more physical cores and 50% more threads, and 84.6% lower power consumption.

Ryzen 7 7800X, on the other hand, has a 40% more advanced lithography process.

We couldn't decide between Ryzen 9 PRO 3900 and Ryzen 7 7800X. We've got no test results to judge.


Should you still have questions on choice between Ryzen 9 PRO 3900 and Ryzen 7 7800X, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 PRO 3900
Ryzen 9 PRO 3900
AMD Ryzen 7 7800X
Ryzen 7 7800X

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Community ratings

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4.9 52 votes

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4.2 113 votes

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