AMD Ryzen 9 5900X vs. AMD Ryzen 9 3950X

CPU comparison with benchmarks


AMD Ryzen 9 5900X CPU1 vs CPU2 AMD Ryzen 9 3950X
AMD Ryzen 9 5900X AMD Ryzen 9 3950X
AMD Ryzen Family AMD Ryzen
AMD Ryzen 5000 CPU group AMD Ryzen 3000
4 Generation 3
Vermeer (Zen 3) Architecture Matisse (Zen 2)
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 3900X Predecessor --
-- Successor AMD Ryzen 9 5950X

CPU Cores and Base FrequencyCPU Cores and Base Frequency

12 Cores 16
24 Threads 32
3.70 GHz Frequency 3.50 GHz
4.80 GHz Turbo (1 Core) 4.70 GHz
4.50 GHz Turbo (All Cores) 4.00 GHz
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes

Internal GraphicsInternal Graphics

no iGPU GPU no iGPU
GPU frequency
GPU (Turbo)
GPU Generation
Technology
Max. displays
Execution units
Shader
Max. GPU Memory
DirectX Version

Hardware codec supportHardware codec support

No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIeMemory & PCIe

DDR4-3200 Memory DDR4-3200
128 GB Max. Memory 128 GB
2 Memory channels 2
Yes ECC Yes
6.00 MB L2 Cache
64.00 MB L3 Cache 64.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 20

Thermal ManagementThermal Management

105 W TDP (PL1) 105 W
142 W TDP (PL2) 142 W
-- TDP up --
-- TDP down --
95 °C Tjunction max. 95 °C

Technical detailsTechnical details

7 nm Technology 7 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
AM4 Socket AM4
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Q4/2020 Release date Q3/2019
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Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
1622 (100%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
1371 (85%)
Amazon
Show all Cinebench R23 (Single-Core) results



Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
21878 (91%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
24050 (100%)
Amazon
Show all Cinebench R23 (Multi-Core) results



Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
637 (100%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
531 (83%)
Amazon
Show all Cinebench R20 (Single-Core) results



Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
8468 (93%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
9148 (100%)
Amazon
Show all Cinebench R20 (Multi-Core) results



Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
270 (100%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
217 (80%)
Amazon
Show all Cinebench R15 (Single-Core) results



Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
3684 (95%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
3897 (100%)
Amazon
Show all Cinebench R15 (Multi-Core) results



Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
1646 (100%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
1310 (80%)
Amazon
Show all Geekbench 5, 64bit (Single-Core) results



Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
14650 (100%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
14322 (98%)
Amazon
Show all Geekbench 5, 64bit (Multi-Core) results



Monero Hashrate kH/s

The crypto currency Monero has been using the RandomX algorithm since November 2019. This PoW (proof of work) algorithm can only efficiently be calculated using a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a high number of CPU cores, cache and a fast connection of the memory via as many memory channels as possible. Tested with XMRig v6.x under the operation system HiveOS.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
14.5 (74%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
19.5 (100%)
Amazon
Show all Monero Hashrate kH/s results



Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
0 (0%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
85.4 (100%)
Amazon
Show all Blender 2.81 (bmw27) results



Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

AMD Ryzen 9 5900X AMD Ryzen 9 5900X
12x 3.70 GHz (4.80 GHz) HT
39564 (100%)
Amazon
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16x 3.50 GHz (4.70 GHz) HT
34024 (86%)
Amazon
Show all Estimated results for PassMark CPU Mark results



Devices using this processorDevices using this processor

AMD Ryzen 9 5900X AMD Ryzen 9 3950X
Unknown Memory PC High End Gaming PC AMD Ryzen 9 3950X
Kiebel Gamer-PC Loki [184903]
With the AMD Ryzen 9 5900X and the AMD Ryzen 9 3950X, two processors of the Ryzen 9 series from the AMD CPU program are compared with each other. Although the release date is more than a year apart, the specifications of the two processors are very similar.

Both the AMD Ryzen 9 5900X and the AMD Ryzen 9 3950X are manufactured using the 7 nanometer process and support the AM4 socket. Both processors support DDR4-3200 modules and the 2 available memory channels can be used to operate up to 128 main memories. ECC memory is also supported by both.

Likewise, both processors do not have an internal graphics unit (also called iGPU), but both offer 20 PCI Express lines in version 4.0 to be able to connect a dedicated graphics card or other expansion cards. PCIe 4.0 doubles the bandwidth compared to PCIe 3.0.

With that, the large number of similarities has almost been dealt with, so let's come to the differences. The AMD Ryzen 9 5900X is a 12-core processor, whereas the AMD Ryzen 9 3950X has 16 cores. In addition, the AMD Ryzen 9 5900X is already based on the newer / better "Zen 3" manufacturing architecture, whereas the AMD Ryzen 9 3950X is still based on the "Zen 2" architecture.

As a result, the AMD Ryzen 9 5900X is approx. 10% ahead of the AMD Ryzen 9 3950X in the single-core benchmarks, although the maximum turbo clock is only slightly higher. In the multi-core benchmarks, the AMD Ryzen 9 3950X is ahead of the AMD Ryzen 9 5900X, but not as far as you would think with 4 cores. Due to the better architecture and the 0.5 GHz higher maximum clock, the AMD Ryzen 9 5900X is only 10% behind the AMD Ryzen 9 3950X.

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