Ryzen 9 5900 vs Ryzen 9 3950X

VS

Aggregate performance score

Ryzen 9 3950X
2019
16 cores / 32 threads, 105 Watt
24.37
+12.7%
Ryzen 9 5900
2021
12 cores / 24 threads, 65 Watt
21.63

Ryzen 9 3950X outperforms Ryzen 9 5900 by a moderate 13% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3950X and Ryzen 9 5900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking210246
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation18.76no data
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9AMD Ryzen 9
Power efficiency21.9631.49
Architecture codenameMatisse (Zen 2) (2019−2020)Vermeer (2020−2024)
Release date14 November 2019 (5 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$799no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3950X and Ryzen 9 5900 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 cores16 (Hexadeca-Core)12 (Dodeca-Core)
Threads3224
Base clock speed3.5 GHz3 GHz
Boost clock speed4.7 GHz4.7 GHz
Multiplierno data30
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)512K (per core)
L3 cache64 MB64 MB
Chip lithography7 nm, 12 nm7 nm, 12 nm
Die size2 x 72 mm + 125 mm (IO-Die) mm281 mm2
Maximum case temperature (TCase)no data95 °C
Number of transistors19,200 million4,150 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3950X and Ryzen 9 5900 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)1
SocketAM4AM4
Power consumption (TDP)105 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Ryzen 9 5900. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2no data
AES-NI++
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3950X and Ryzen 9 5900 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Ryzen 9 5900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4-3200
Maximum memory size128 GB128 GB
Maximum memory bandwidth51.196 GB/s51.196 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card--

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3950X and Ryzen 9 5900.

PCIe versionno data4.0

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 3950X 24.37
+12.7%
Ryzen 9 5900 21.63

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 3950X 38715
+12.7%
Ryzen 9 5900 34361

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 3950X 1730
Ryzen 9 5900 2142
+23.8%

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 3950X 10784
Ryzen 9 5900 11070
+2.7%

Gaming performance

Pros & cons summary


Performance score 24.37 21.63
Recency 14 November 2019 12 January 2021
Physical cores 16 12
Threads 32 24
Power consumption (TDP) 105 Watt 65 Watt

Ryzen 9 3950X has a 12.7% higher aggregate performance score, and 33.3% more physical cores and 33.3% more threads.

Ryzen 9 5900, on the other hand, has an age advantage of 1 year, and 61.5% lower power consumption.

The Ryzen 9 3950X is our recommended choice as it beats the Ryzen 9 5900 in performance tests.


Should you still have questions on choice between Ryzen 9 3950X and Ryzen 9 5900, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3950X
Ryzen 9 3950X
AMD Ryzen 9 5900
Ryzen 9 5900

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Community ratings

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Questions & comments

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