Ryzen 9 9955HX3D vs Ryzen Threadripper PRO 3945WX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 286 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | AMD Ryzen Threadripper | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 7.14 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Castle Peak (2020) | Fire Range-HX (Zen 5) (2025) |
| Release date | 14 July 2020 (4 years ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D 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 | 12 (Dodeca-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 4 GHz | no data |
| Boost clock speed | 4.3 GHz | 5.4 GHz |
| Multiplier | 40 | no data |
| L1 cache | 768 KB | 1.3 MB |
| L2 cache | 6 MB | 16 MB |
| L3 cache | 64 MB | 128 MB |
| Chip lithography | 7 nm, 12 nm | no data |
| Die size | 2x 74 mm2 | no data |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 15940 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D 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 | no data |
| Socket | WRX8 | no data |
| Power consumption (TDP) | 280 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | no data |
| Maximum memory size | 2 TiB | no data |
| Maximum memory bandwidth | 204.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon 610M ( - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Ryzen 9 9955HX3D.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Recency | 14 July 2020 | 6 January 2025 |
| Physical cores | 12 | 16 |
| Threads | 24 | 32 |
| Power consumption (TDP) | 280 Watt | 55 Watt |
Ryzen 9 9955HX3D has an age advantage of 4 years, 33.3% more physical cores and 33.3% more threads, and 409.1% lower power consumption.
We couldn't decide between AMD Ryzen Threadripper PRO 3945WX and AMD Ryzen 9 9955HX3D. We've got no test results to judge.
Be aware that Ryzen Threadripper PRO 3945WX is a server/workstation processor while Ryzen 9 9955HX3D is a notebook one.
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