Ryzen 9 9950X3D vs EPYC 9655P
Primary details
Comparing EPYC 9655P and Ryzen 9 9950X3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.62 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 23.64 | no data |
| Architecture codename | Turin (2024) | Granite Ridge (2024−2025) |
| Release date | 10 October 2024 (less than a year ago) | 2025 (recently) |
| Launch price (MSRP) | $10,811 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 9655P and Ryzen 9 9950X3D 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 | 96 | 16 (Hexadeca-Core) |
| Threads | 192 | 32 |
| Base clock speed | 2.6 GHz | 4 GHz |
| Boost clock speed | 4.5 GHz | 5.6 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 384 MB (shared) | 128 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 12x 70.6 mm2 | 2x 70.6 mm2 |
| Number of transistors | 99,780 million | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC 9655P and Ryzen 9 9950X3D 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 | SP5 | AM5 |
| Power consumption (TDP) | 400 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9655P and Ryzen 9 9950X3D. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9655P and Ryzen 9 9950X3D are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9655P and Ryzen 9 9950X3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by EPYC 9655P and Ryzen 9 9950X3D.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 128 | 24 |
Pros & cons summary
| Physical cores | 96 | 16 |
| Threads | 192 | 32 |
| Power consumption (TDP) | 400 Watt | 170 Watt |
EPYC 9655P has 500% more physical cores and 500% more threads.
Ryzen 9 9950X3D, on the other hand, has 135.3% lower power consumption.
We couldn't decide between EPYC 9655P and Ryzen 9 9950X3D. We've got no test results to judge.
Be aware that EPYC 9655P is a server/workstation processor while Ryzen 9 9950X3D is a desktop one.
Should you still have questions on choice between EPYC 9655P and Ryzen 9 9950X3D, ask them in Comments section, and we shall answer.
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