Ryzen 9 3900 vs Ryzen 9 3900X

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Aggregated performance score

Ryzen 9 3900X
2019
12 cores / 24 threads
21.12
+5.9%
Ryzen 9 3900
2019
12 cores / 24 threads
19.94

Ryzen 9 3900X outperforms Ryzen 9 3900 by 6% based on our aggregated benchmark results.

General info

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

Place in performance ranking227245
Place by popularitynot in top-100not in top-100
Value for money38.1436.68
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9AMD Matisse (Ryzen 3000 Desktop)
Architecture codenameMatisse (Zen 2) (2019−2020)Matisse (Zen 2) (2019−2020)
Release date7 July 2019 (4 years old)9 October 2019 (4 years old)
Launch price (MSRP)$499no data
Current price$388 (0.8x MSRP)$388

Value for money

Performance per price, higher is better.

Ryzen 9 3900X has 4% better value for money than Ryzen 9 3900.

Technical specs

Ryzen 9 3900X and Ryzen 9 3900 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 speed3.8 GHz3.1 GHz
Boost clock speed4.6 GHz4.3 GHz
L1 cache768 KB768 KB
L2 cache6 MB6 MB
L3 cache64 MB64 MB
Chip lithography7 nm, 12 nm7 nm, 12 nm
Maximum core temperature95 °Cno data
Number of transistors19,200 millionno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierYesYes

Compatibility

Information on Ryzen 9 3900X and Ryzen 9 3900 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
SocketAM4AM4 (1331)
Power consumption (TDP)105 Watt65 Watt

Technologies and extensions

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

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI++
AVX++

Virtualization technologies

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

AMD-V++

Memory specs

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

Supported memory typesDDR4 Dual-channelDDR4-3200
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s51.196 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card--

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 3900X 21.12
+5.9%
Ryzen 9 3900 19.94

Ryzen 9 3900X outperforms Ryzen 9 3900 by 6% based on our aggregated benchmark results.


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.

Benchmark coverage: 68%

Ryzen 9 3900X 32659
+5.9%
Ryzen 9 3900 30836

Ryzen 9 3900X outperforms Ryzen 9 3900 by 6% in Passmark.

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.

Benchmark coverage: 42%

Ryzen 9 3900X 1693
+2.6%
Ryzen 9 3900 1650

Ryzen 9 3900X outperforms Ryzen 9 3900 by 3% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Ryzen 9 3900X 9925
+4.2%
Ryzen 9 3900 9522

Ryzen 9 3900X outperforms Ryzen 9 3900 by 4% in GeekBench 5 Multi-Core.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

Ryzen 9 3900X 6019
+5.6%
Ryzen 9 3900 5700

Ryzen 9 3900X outperforms Ryzen 9 3900 by 6% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

Ryzen 9 3900X 45539
+3.1%
Ryzen 9 3900 44191

Ryzen 9 3900X outperforms Ryzen 9 3900 by 3% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

Ryzen 9 3900X 14889
+7.8%
Ryzen 9 3900 13817

Ryzen 9 3900X outperforms Ryzen 9 3900 by 8% in 3DMark06 CPU.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

Ryzen 9 3900X 34
+9.4%
Ryzen 9 3900 31

Ryzen 9 3900X outperforms Ryzen 9 3900 by 9% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

Ryzen 9 3900X 3049
+8.7%
Ryzen 9 3900 2804

Ryzen 9 3900X outperforms Ryzen 9 3900 by 9% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

Ryzen 9 3900X 207
+5.1%
Ryzen 9 3900 197

Ryzen 9 3900X outperforms Ryzen 9 3900 by 5% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

Ryzen 9 3900X 2.36
+6.3%
Ryzen 9 3900 2.22

Ryzen 9 3900X outperforms Ryzen 9 3900 by 6% in Cinebench 11.5 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

Ryzen 9 3900X 10.8
+3.4%
Ryzen 9 3900 10.4

Ryzen 9 3900X outperforms Ryzen 9 3900 by 3% in TrueCrypt AES.

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Benchmark coverage: 13%

Ryzen 9 3900X 7534
+5.4%
Ryzen 9 3900 7145

Ryzen 9 3900X outperforms Ryzen 9 3900 by 5% in WinRAR 4.0.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

Ryzen 9 3900X 268
+4.7%
Ryzen 9 3900 256

Ryzen 9 3900X outperforms Ryzen 9 3900 by 5% in x264 encoding pass 1.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

Ryzen 9 3900X 147
+11.4%
Ryzen 9 3900 132

Ryzen 9 3900X outperforms Ryzen 9 3900 by 11% in x264 encoding pass 2.

Gaming performance

Advantages and disadvantages


Performance score 21.12 19.94
Recency 7 July 2019 9 October 2019
Power consumption (TDP) 105 Watt 65 Watt

We couldn't decide between Ryzen 9 3900X and Ryzen 9 3900. The differences in performance seem too small.


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

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AMD Ryzen 9 3900X
Ryzen 9 3900X
AMD Ryzen 9 3900
Ryzen 9 3900

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