Ryzen 9 9950X vs EPYC 9254
Aggregate performance score
EPYC 9254 outperforms Ryzen 9 9950X by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing EPYC 9254 and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 54 | 59 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.72 | 61.65 |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC | no data |
| Power efficiency | 20.20 | 23.23 |
| Architecture codename | Genoa (2022−2023) | Granite Ridge (2024) |
| Release date | 10 November 2022 (2 years ago) | 15 August 2024 (less than a year ago) |
| Launch price (MSRP) | $2,299 | $649 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 9 9950X has 292% better value for money than EPYC 9254.
Detailed specifications
EPYC 9254 and Ryzen 9 9950X 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 | 24 (Tetracosa-Core) | 16 (Hexadeca-Core) |
| Threads | 48 | 32 |
| Base clock speed | 2.9 GHz | 4.3 GHz |
| Boost clock speed | 2.9 GHz | 5.7 GHz |
| Multiplier | 29 | no data |
| L1 cache | 1536 KB | 80 KB (per core) |
| L2 cache | 24 MB | 1 MB (per core) |
| L3 cache | 128 MB (shared) | 64 MB (shared) |
| Chip lithography | 5 nm, 6 nm | 4 nm |
| Die size | 4x 72 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | no data | 95 °C |
| Number of transistors | 26,280 million | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC 9254 and Ryzen 9 9950X 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 | 2 | 1 |
| Socket | SP5 | AM5 |
| Power consumption (TDP) | 200 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9254 and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9254 and Ryzen 9 9950X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9254 and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR5 |
| Maximum memory size | 6 TiB | no data |
| Maximum memory bandwidth | 460.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by EPYC 9254 and Ryzen 9 9950X.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 128 | 24 |
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 | 42.87 | 41.90 |
| Recency | 10 November 2022 | 15 August 2024 |
| Physical cores | 24 | 16 |
| Threads | 48 | 32 |
| Chip lithography | 5 nm | 4 nm |
| Power consumption (TDP) | 200 Watt | 170 Watt |
EPYC 9254 has a 2.3% higher aggregate performance score, and 50% more physical cores and 50% more threads.
Ryzen 9 9950X, on the other hand, has an age advantage of 1 year, a 25% more advanced lithography process, and 17.6% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between EPYC 9254 and Ryzen 9 9950X.
Be aware that EPYC 9254 is a server/workstation processor while Ryzen 9 9950X is a desktop one.
Should you still have questions on choice between EPYC 9254 and Ryzen 9 9950X, 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.
