Ryzen Threadripper PRO 9955WX vs Ryzen 9 PRO 7940HS
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 410 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Phoenix (Zen 4, Ryzen 7040) | no data |
| Power efficiency | 48.06 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Phoenix-HS (Zen 4) (2023) | Shimada Peak (2025) |
| Release date | 13 June 2023 (1 year ago) | July 2025 |
Detailed specifications
Ryzen 9 PRO 7940HS 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 | 8 (Octa-Core) | 16 (Hexadeca-Core) |
| Threads | 16 | 32 |
| Base clock speed | 4 GHz | 4.5 GHz |
| Boost clock speed | 5.2 GHz | 5.4 GHz |
| L1 cache | 512 KB | 64 KB (per core) |
| L2 cache | 8 MB | 1 MB (per core) |
| L3 cache | 16 MB | 64 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 178 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 9 PRO 7940HS 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 | no data | 1 |
| Socket | FP7/FP8 | sTR5 |
| Power consumption (TDP) | 35 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7940HS and Ryzen Threadripper PRO 9955WX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 PRO 7940HS and Ryzen Threadripper PRO 9955WX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7940HS and Ryzen Threadripper PRO 9955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M ( - 2800 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7940HS and Ryzen Threadripper PRO 9955WX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Physical cores | 8 | 16 |
| Threads | 16 | 32 |
| Power consumption (TDP) | 35 Watt | 350 Watt |
Ryzen 9 PRO 7940HS has 900% lower power consumption.
Ryzen Threadripper PRO 9955WX, on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between AMD Ryzen 9 PRO 7940HS and AMD Ryzen Threadripper PRO 9955WX. We've got no test results to judge.
Be aware that Ryzen 9 PRO 7940HS is a notebook processor while Ryzen Threadripper PRO 9955WX is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
