Xeon w5-2555X vs Ryzen 9 9950X
Aggregate performance score
Ryzen 9 9950X outperforms Xeon w5-2555X by a significant 28% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 9950X and Xeon w5-2555X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 59 | 122 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 61.37 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 23.26 | 12.27 |
| Architecture codename | Granite Ridge (2024) | no data |
| Release date | 15 August 2024 (less than a year ago) | 1 July 2024 (less than a year ago) |
| Launch price (MSRP) | $649 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 9950X and Xeon w5-2555X 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) | 14 (Tetradeca-Core) |
| Threads | 32 | 28 |
| Base clock speed | 4.3 GHz | 3.3 GHz |
| Boost clock speed | 5.7 GHz | 4.8 GHz |
| L1 cache | 80 KB (per core) | no data |
| L2 cache | 1 MB (per core) | no data |
| L3 cache | 64 MB (shared) | 33.75 MB Intel® Smart Cache |
| Chip lithography | 4 nm | Intel 7 nm |
| Die size | 2x 70.6 mm2 | no data |
| Maximum core temperature | 95 °C | 75 °C |
| Number of transistors | 16,630 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 9950X and Xeon w5-2555X 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 | 1 |
| Socket | AM5 | FCLGA4677 |
| Power consumption (TDP) | 170 Watt | 252 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9950X and Xeon w5-2555X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| 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 |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 9950X and Xeon w5-2555X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 9950X and Xeon w5-2555X 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 9950X and Xeon w5-2555X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5-4800 |
| Maximum memory size | no data | 2 TB |
| Max memory channels | no data | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 9950X and Xeon w5-2555X.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 64 |
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 | 42.57 | 33.30 |
| Recency | 15 August 2024 | 1 July 2024 |
| Physical cores | 16 | 14 |
| Threads | 32 | 28 |
| Power consumption (TDP) | 170 Watt | 252 Watt |
Ryzen 9 9950X has a 27.8% higher aggregate performance score, an age advantage of 1 month, 14.3% more physical cores and 14.3% more threads, and 48.2% lower power consumption.
The Ryzen 9 9950X is our recommended choice as it beats the Xeon w5-2555X in performance tests.
Note that Ryzen 9 9950X is a desktop processor while Xeon w5-2555X is a server/workstation one.
Should you still have questions on choice between Ryzen 9 9950X and Xeon w5-2555X, ask them in Comments section, and we shall answer.
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.
