AMD Ryzen 9 3900X vs AMD Ryzen 7 3700X


AMD Ryzen 9 3900X on Amazon USA
AMD Ryzen 7 3700X on Amazon USA

Comparison of the technical characteristics between the processors, with the AMD Ryzen 9 3900X on one side and the AMD Ryzen 7 3700X on the other side. The first is dedicated to the desktop sector, It has 12 cores, 24 threads, a maximum frequency of 4.6GHz. The second is used on the desktop segment, it has a total of 8 cores, 16 threads, its turbo frequency is set to 4.4 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the release date, the maximum number of PCIe lanes, the values ​​obtained in Geekbench 4 and Cinebench R15.






Specifications:


Processor AMD Ryzen 9 3900X AMD Ryzen 7 3700X
Market (main) Desktop Desktop
ISA x86-64 (64 bit) x86-64 (64 bit)
Microarchitecture Zen 2 Zen 2
Core name Matisse Matisse
Family Ryzen 9 3000 Ryzen 7 3000
Part number(s), S-Spec 100-000000023,
100-100000023BOX
100-000000071,
100-100000071BOX
Release date Q3 2019 Q3 2019
Lithography 7 nm FinFET 7 nm FinFET
Transistors 3,800,000,000 19,200,000,000
Cores 12 8
Threads 24 16
Base frequency 3.8 GHz 3.6 GHz
Turbo frequency 4.6 GHz 4.4 GHz
Cache memory 64 MB 32 MB
Max memory capacity 128 GB 128 GB
Memory types DDR4-3200 DDR4-3200
Max # of memory channels 2 2
Max memory bandwidth 47.68 GB/s 47.68 GB/s
Max PCIe lanes 20 20
TDP 105 W 65 W
Suggested PSU 600W ATX Power Supply 600W ATX Power Supply
GPU integrated graphics None None
Socket AM4 AM4
Compatible motherboard Socket AM4 Motherboard  Socket AM4 Motherboard 
Maximum temperature 95°C 95°C
CPU-Z single thread 519 508
CPU-Z multi thread 8,388 5,459
Cinebench R15 single thread 205 200
Cinebench R15 multi-thread 3,160 2,100
Cinebench R20 single thread 520 480
Cinebench R20 multi-thread 9,170 4,760
Cinebench R23 single thread 1,349 1,334
Cinebench R23 multi-thread 18,931 13,795
PassMark single thread 2,719 2,676
PassMark CPU Mark 32,835 22,767
(Windows 64-bit)
Geekbench 4 single core
5,855 5,602
(Windows 64-bit)
Geekbench 4 multi-core
47,507 34,342
(Windows)
Geekbench 5 single core
1,220 1,239
(Windows)
Geekbench 5 multi-core
11,644 8,521
(SGEMM)
GFLOPS performance
820 GFLOPS 546 GFLOPS
(Multi-core / watt performance)
Performance / watt ratio
452 pts / W 528 pts / W
Amazon
eBay



We can better compare what are the technical differences between the two processors.

Suggested PSU: We assume that we have An ATX computer case, a high end graphics card, 16GB RAM, a 512GB SSD, a 1TB HDD hard drive, a Blu-Ray drive. We will have to rely on a more powerful power supply if we want to have several graphics cards, several monitors, more memory, etc.

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

The processor AMD Ryzen 9 3900X has more cores, the maximum frequency of AMD Ryzen 9 3900X is greater, that the thermal dissipation power of AMD Ryzen 7 3700X is less. Both were produced in the same year.

Performances :


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.


CPU-Z - Multi-thread & single thread score
AMD Ryzen 9 3900X 519
8,388
AMD Ryzen 7 3700X 508
5,459


In single core, the difference is 2%. In multi-core, the differential gap is 54%.


CPU-Z is a system information software that provides the name of the processor, its model number, the codename, the cache levels, the package, the process. It can also gives data about the mainboard, the memory. It makes real time measurement, with finally a benchmark for the single thread, as well as for the multi thread.


Cinebench R15 - Multi-thread & single thread score
AMD Ryzen 9 3900X 205
3,160
AMD Ryzen 7 3700X 200
2,100


In single core, the difference is 2%. In multi-core, the differential gap is 50%.


Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.


Cinebench R20 - Multi-thread & single thread score
AMD Ryzen 9 3900X 520
9,170
AMD Ryzen 7 3700X 480
4,760


In single core, the difference is 8%. In multi-core, the differential gap is 93%.


Cinebench R20 is a multi-platform test software which allows to evaluate the hardware capacities of a device such as a computer, a tablet, a server. This version of Cinebench takes into account recent developments in processors with multiple cores and the latest improvements in rendering techniques. The evaluation is ultimately even more relevant.


Cinebench R23 - Multi-thread & single thread score
AMD Ryzen 9 3900X 1,349
18,931
AMD Ryzen 7 3700X 1,334
13,795


In single core, the difference is 1%. In multi-core, the differential gap is 37%.


Cinebench R23 is cross-platform testing software that allows you to assess the hardware capabilities of a device such as a computer, tablet, server. This version of Cinebench takes into account recent developments in processors with multiple cores and the latest improvements in rendering techniques. The evaluation is ultimately even more relevant. The test scene contains no less than 2,000 objects and more than 300,000 polygons in total.


PassMark - CPU Mark & single thread
AMD Ryzen 9 3900X 2,719
32,835
AMD Ryzen 7 3700X 2,676
22,767


In single core, the difference is 2%. In multi-core, the differential gap is 44%.


PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.





On Windows 64-bit:

Geekbench 4 - Multi-core & single core score - Windows 64-bit
AMD Ryzen 9 3900X 5,855
47,507
AMD Ryzen 7 3700X 5,602
34,342


In single core, the difference is 5%. In multi-core, the differential gap is 38%.

On Linux 64-bit:

Geekbench 4 - Multi-core & single core score - Linux 64-bit
AMD Ryzen 9 3900X 6,050
49,198
AMD Ryzen 7 3700X 6,080
37,556


In single core, the difference is -0%. In multi-core, the differential gap is 31%.

On Android 64-bit:

Geekbench 4 - Multi-core & single core score - Android 64-bit
AMD Ryzen 9 3900X 5,414
23,126
AMD Ryzen 7 3700X 4,879
16,739


In single core, the difference is 11%. In multi-core, the differential gap is 38%.

On Mac OS X 64-bit:

Geekbench 4 - Multi-core & single core score - Mac OS X 64-bit
AMD Ryzen 9 3900X 5,845
52,127
AMD Ryzen 7 3700X 5,744
35,990


In single core, the difference is 2%. In multi-core, the differential gap is 45%.


Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.


On Windows:

Geekbench 5 - Multi-core & single core score - Windows
AMD Ryzen 9 3900X 1,220
11,644
AMD Ryzen 7 3700X 1,239
8,521


In single core, the difference is -2%. In multi-core, the differential gap is 37%.

On Linux:

Geekbench 5 - Multi-core & single core score - Linux
AMD Ryzen 9 3900X 1,354
12,335
AMD Ryzen 7 3700X 1,331
8,729


In single core, the difference is 2%. In multi-core, the differential gap is 41%.

On macOS:

Geekbench 5 - Multi-core & single core score - macOS
AMD Ryzen 9 3900X 1,235
10,988
AMD Ryzen 7 3700X 1,251
7,897


In single core, the difference is -1%. In multi-core, the differential gap is 39%.


Geekbench 5 is a software for measuring the performance of a computer system, for fixed devices, mobile devices, servers. This platform makes it possible to better compare the power of the CPU, the computing power and to compare it with similar or totally different systems. Geekbench 5 includes new workloads that represent work tasks and applications that we can find in reality.


Equivalence:

AMD Ryzen 9 3900X Intel equivalentAMD Ryzen 7 3700X Intel equivalent

See also:

AMD Ryzen 9 3900AMD Ryzen 9 3900XT

AMD Ryzen 7 3700U




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