Xeon Gold 6143 vs Ryzen 9 5950X
Aggregate performance score
Ryzen 9 5950X outperforms Xeon Gold 6143 by an impressive 84% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 5950X and Xeon Gold 6143 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 160 | 445 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 27.60 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 25.82 | 7.20 |
| Architecture codename | Vermeer (Zen 3) (2020−2022) | no data |
| Release date | 5 November 2020 (4 years ago) | 1 July 2017 (7 years ago) |
| Launch price (MSRP) | $799 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 5950X and Xeon Gold 6143 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 cores | 16 (Hexadeca-Core) | 16 (Hexadeca-Core) |
| Threads | 32 | 32 |
| Base clock speed | 3.4 GHz | 2.8 GHz |
| Boost clock speed | 4.9 GHz | 4 GHz |
| Multiplier | 34 | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 64 MB | 22 MB |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Die size | CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2 | no data |
| Maximum core temperature | no data | 74 °C |
| Maximum case temperature (TCase) | 95 °C | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5950X and Xeon Gold 6143 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 configuration | 1 | no data |
| Socket | AM4 | FCLGA3647 |
| Power consumption (TDP) | 105 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5950X and Xeon Gold 6143. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 5950X and Xeon Gold 6143 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5950X and Xeon Gold 6143 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5950X and Xeon Gold 6143. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-2666 |
| Maximum memory size | 128 GB | 768 GB |
| Max memory channels | 2 | 6 |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5950X and Xeon Gold 6143.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | no data | 48 |
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.
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.
Pros & cons summary
| Performance score | 28.45 | 15.48 |
| Recency | 5 November 2020 | 1 July 2017 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 105 Watt | 205 Watt |
Ryzen 9 5950X has a 83.8% higher aggregate performance score, an age advantage of 3 years, a 100% more advanced lithography process, and 95.2% lower power consumption.
The Ryzen 9 5950X is our recommended choice as it beats the Xeon Gold 6143 in performance tests.
Note that Ryzen 9 5950X is a desktop processor while Xeon Gold 6143 is a server/workstation one.
Should you still have questions on choice between Ryzen 9 5950X and Xeon Gold 6143, ask them in Comments section, and we shall answer.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
