Ryzen 7 5700X3D vs Ryzen 9 3900X

VS

Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 105 Watt
21.31
+23.8%

Ryzen 9 3900X outperforms Ryzen 7 5700X3D by a significant 24% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Ryzen 7 5700X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking268388
Place by popularitynot in top-10078
Cost-effectiveness evaluation20.8246.31
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9no data
Power efficiency18.5114.95
Architecture codenameMatisse (Zen 2) (2019−2020)Vermeer (2020−2024)
Release date7 July 2019 (5 years ago)8 January 2024 (less than a year ago)
Launch price (MSRP)$499$249

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 5700X3D has 122% better value for money than Ryzen 9 3900X.

Detailed specifications

Ryzen 9 3900X and Ryzen 7 5700X3D 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 speed3.8 GHz3 GHz
Boost clock speed4.6 GHz4.1 GHz
L1 cache768 KB64 KB (per core)
L2 cache6 MB512 KB (per core)
L3 cache64 MB96 MB (shared)
Chip lithography7 nm, 12 nm7 nm
Die sizeno data74 mm2
Maximum core temperature95 °Cno data
Number of transistors19,200 million8,850 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900X and Ryzen 7 5700X3D 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 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Ryzen 7 5700X3D. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and Ryzen 7 5700X3D are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Ryzen 7 5700X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900X and Ryzen 7 5700X3D.

PCIe versionno data4.0
PCI Express lanesno data20

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 21.31
+23.8%
Ryzen 7 5700X3D 17.22

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 3900X 32619
+23.8%
Ryzen 7 5700X3D 26352

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 3900X 1710
Ryzen 7 5700X3D 1927
+12.7%

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 3900X 9950
Ryzen 7 5700X3D 10130
+1.8%

Gaming performance

Pros & cons summary


Performance score 21.31 17.22
Recency 7 July 2019 8 January 2024
Physical cores 12 8
Threads 24 16

Ryzen 9 3900X has a 23.8% higher aggregate performance score, and 50% more physical cores and 50% more threads.

Ryzen 7 5700X3D, on the other hand, has an age advantage of 4 years.

The Ryzen 9 3900X is our recommended choice as it beats the Ryzen 7 5700X3D in performance tests.


Should you still have questions on choice between Ryzen 9 3900X and Ryzen 7 5700X3D, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 9 3900X
Ryzen 9 3900X
AMD Ryzen 7 5700X3D
Ryzen 7 5700X3D

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


4.7 5124 votes

Rate Ryzen 9 3900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 960 votes

Rate Ryzen 7 5700X3D on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 3900X or Ryzen 7 5700X3D, agree or disagree with our judgements, or report an error or mismatch.