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Differences
Top features of AMD Ryzen 9 5950X
-
Higher clock speed3.40 GHz
3.10 GHz
Around -10% better clock speed -
More number of cores16
12
2 times more threads
-
Higher turbo clock speed4.90 GHz
4.30 GHz
Around 12% better overclocked clock speed
Top features of AMD Ryzen 9 3900
-
Performance per watt65 W
105 W
About 0.62 times less performance per watt
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of AMD Ryzen 9 5950X and AMD Ryzen 9 3900 is of a more recent generation, and what segment it belongs to.
| Specification | Value |
|---|---|
| Name |
AMD Ryzen 9 5950X
AMD Ryzen 9 3900
|
| Segment |
Desktop / Server
Desktop / Server
|
| Family |
AMD Ryzen
AMD Ryzen
|
| Generation |
4
3
|
| CPU group |
AMD Ryzen 5000
AMD Ryzen 3000
|
| Predecessor |
AMD Ryzen 9 3950X
--
|
| Successor |
--
AMD Ryzen 9 5900
|
CPU Cores and Base Frequency
In this block we are going to compare AMD Ryzen 9 5950X vs AMD Ryzen 9 3900 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value |
|---|---|
| Frequency |
3.40 GHz
3.10 GHz
|
| CPU Cores |
16
12
|
| Turbo (1 Core) |
4.90 GHz
4.30 GHz
|
| CPU Threads |
32
24
|
| Hyperthreading |
Yes
Yes
|
| Overclocking |
Yes
Yes
|
| Core architecture |
normal
normal
|
Internal Graphics
Common specifications for integrated graphics cards in AMD Ryzen 9 5950X and AMD Ryzen 9 3900 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name |
no iGPU
no iGPU
|
| GPU frequency |
--
|
| GPU (Turbo) |
No turbo
No turbo
|
| Execution units |
--
|
| Shader |
--
|
| Max. displays |
--
|
| Generation |
--
|
| DirectX Version |
--
|
| Technology |
--
|
| Release date |
--
|
Hardware codec support
Let's compare the support of video codecs between AMD Ryzen 9 5950X and AMD Ryzen 9 3900. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) |
No
No
|
| h265 / HEVC (10 bit) |
No
No
|
| h264 |
No
No
|
| VP9 |
No
No
|
| VP8 |
No
No
|
| AV1 |
No
No
|
| AVC |
No
No
|
| VC-1 |
No
No
|
| JPEG |
No
No
|
Memory & PCIe
To choose the best model between AMD Ryzen 9 5950X and AMD Ryzen 9 3900 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value |
|---|---|
| Memory type |
DDR4-3200
DDR4-3200
|
| Max. Memory |
128 GB
128 GB
|
| ECC |
Yes
No
|
| Memory channels |
2
2
|
| PCIe version |
4.0
4.0
|
| PCIe lanes |
20
20
|
Encryption
AES-NI encryption support for CPUs AMD Ryzen 9 5950X and AMD Ryzen 9 3900.
| Specification | Value |
|---|---|
| AES-NI |
Yes
Yes
|
Thermal Management
Let's find out what TDP value would be better for AMD Ryzen 9 5950X or AMD Ryzen 9 3900? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value |
|---|---|
| TDP (PL1) |
105 W
65 W
|
| TDP (PL2) |
142 W
--
|
| Tjunction max. |
95 °C
95 °C
|
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Ryzen 9 5950X and AMD Ryzen 9 3900 CPUs along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Instruction set (ISA) |
x86-64 (64 bit)
x86-64 (64 bit)
|
| Virtualization |
AMD-V, SVM
AMD-V, SVM
|
| ISA extensions |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
|
| L2-Cache |
8.00 MB
--
|
| L3-Cache |
64.00 MB
64.00 MB
|
| Architecture |
Vermeer (Zen 3)
Matisse (Zen 2)
|
| Technology |
7 nm
7 nm
|
| Socket |
AM4
AM4
|
| Release date |
Q4/2020
Q3/2019
|
Devices using this processor
List of devices based on AMD Ryzen 9 5950X and AMD Ryzen 9 3900.
| Specification | Value |
|---|---|
| Used in |
Unknown
Unknown
|
