Ryzen Threadripper PRO 9955WX vs Ryzen 9 7950X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 82 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 22.07 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Raphael (Zen 4) (2022) | Shimada Peak (2025) |
| Release date | 27 September 2022 (2 years ago) | July 2025 |
Detailed specifications
Ryzen 9 7950X and Ryzen Threadripper PRO 9955WX 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 | 4.5 GHz | 4.5 GHz |
| Boost clock speed | 5.7 GHz | 5.4 GHz |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 64 MB (shared) | 64 MB (shared) |
| Chip lithography | 5 nm | 4 nm |
| Die size | CCD = 2x 70 sq. mm, I/O = 122 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 47 °C | no data |
| Number of transistors | 13140 Million | 16,630 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 7950X and Ryzen Threadripper PRO 9955WX 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 | sTR5 |
| Power consumption (TDP) | 170 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7950X and Ryzen Threadripper PRO 9955WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | CCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7950X and Ryzen Threadripper PRO 9955WX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7950X and Ryzen Threadripper PRO 9955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) (400 - 2200 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7950X and Ryzen Threadripper PRO 9955WX.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 128 |
Pros & cons summary
| Chip lithography | 5 nm | 4 nm |
| Power consumption (TDP) | 170 Watt | 350 Watt |
Ryzen 9 7950X has 105.9% lower power consumption.
Ryzen Threadripper PRO 9955WX, on the other hand, has a 25% more advanced lithography process.
We couldn't decide between AMD Ryzen 9 7950X and AMD Ryzen Threadripper PRO 9955WX. We've got no test results to judge.
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