Ryzen 7 7800X vs Ryzen 9 7900X3D

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Primary details

Comparing Ryzen 9 7900X3D and Ryzen 7 7800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking130not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation49.24no data
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9AMD Ryzen 7
Power efficiency25.01no data
Architecture codenameRaphael (2023−2024)Zen 4
Release date4 January 2023 (1 year ago)no data
Launch price (MSRP)$599no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 7900X3D 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 speed4.4 GHz4.2 GHz
Boost clock speed5.6 GHz5 GHz
L1 cache64K (per core)512 KB
L2 cache1 MB (per core)8 MB
L3 cache128 MB (shared)96 MB
Chip lithography5 nm, 6 nm5 nm, 6 nm
Die size2x 71 mm271+122 mm
Maximum case temperature (TCase)47 °Cno data
Number of transistors13,140 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Ryzen 9 7900X3D 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 configuration1no data
SocketAM5no data
Power consumption (TDP)120 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7900X3D 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 7900X3D and Ryzen 7 7800X are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7900X3D and Ryzen 7 7800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5200no data
Maximum memory size128 GB128 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon Graphicsno data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7900X3D and Ryzen 7 7800X.

PCIe version5.0no data
PCI Express lanes24no data

Pros & cons summary


Physical cores 12 8
Threads 24 16

Ryzen 9 7900X3D has 50% more physical cores and 50% more threads.

We couldn't decide between Ryzen 9 7900X3D and Ryzen 7 7800X. We've got no test results to judge.


Should you still have questions on choice between Ryzen 9 7900X3D and Ryzen 7 7800X, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7900X3D
Ryzen 9 7900X3D
AMD Ryzen 7 7800X
Ryzen 7 7800X

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Community ratings

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4.2 429 votes

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4.1 126 votes

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Questions & comments

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