Ryzen 9 7900X vs Ryzen 9 5900

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Aggregate performance score

Ryzen 9 5900
2021
12 cores / 24 threads, 65 Watt
21.63
Ryzen 9 7900X
2022
12 cores / 24 threads, 170 Watt
32.51
+50.3%

Ryzen 9 7900X outperforms Ryzen 9 5900 by an impressive 50% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900 and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking246124
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9no data
Power efficiency31.4718.09
Architecture codenameVermeer (2020−2024)Raphael (Zen4) (2022−2023)
Release date12 January 2021 (3 years ago)27 September 2022 (2 years ago)

Detailed specifications

Ryzen 9 5900 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 cores12 (Dodeca-Core)12 (Dodeca-Core)
Threads2424
Base clock speed3 GHz4.7 GHz
Boost clock speed4.7 GHz5.6 GHz
Multiplier30no data
L1 cache64K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache64 MB64 MB (shared)
Chip lithography7 nm, 12 nm5 nm
Die size81 mm22x 70 (CCD) mm2 + 122 (I/O) mm2
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)95 °C47 °C
Number of transistors4,150 millionCCD: 6,5 Mrd + IOD: 3,4 Mrd Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 5900 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
SocketAM4AM5
Power consumption (TDP)65 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900 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++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900 and Ryzen 9 7900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900 and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-5200
Maximum memory size128 GBno data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900 and Ryzen 9 7900X.

PCIe version4.05.0
PCI Express lanesno data24

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.

Ryzen 9 5900 21.63
Ryzen 9 7900X 32.51
+50.3%

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.

Ryzen 9 5900 34361
Ryzen 9 7900X 51636
+50.3%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 9 5900 2142
Ryzen 9 7900X 2953
+37.9%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 9 5900 11070
Ryzen 9 7900X 17920
+61.9%

Gaming performance

Pros & cons summary


Performance score 21.63 32.51
Recency 12 January 2021 27 September 2022
Chip lithography 7 nm 5 nm
Power consumption (TDP) 65 Watt 170 Watt

Ryzen 9 5900 has 161.5% lower power consumption.

Ryzen 9 7900X, on the other hand, has a 50.3% higher aggregate performance score, an age advantage of 1 year, and a 40% more advanced lithography process.

The Ryzen 9 7900X is our recommended choice as it beats the Ryzen 9 5900 in performance tests.


Should you still have questions on choice between Ryzen 9 5900 and Ryzen 9 7900X, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 5900
Ryzen 9 5900
AMD Ryzen 9 7900X
Ryzen 9 7900X

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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