AMD Ryzen Threadripper PRO 9945WX: specs and benchmarks
Aggregate performance score
Ryzen Threadripper PRO 9945WX provides good benchmark performance at 32.44% of a leader's which is a 96-core Ryzen Threadripper PRO 9995WX.
Contents
Summary
AMD started Ryzen Threadripper PRO 9945WX sales on July 2025. This is a Shimada Peak architecture desktop processor primarily aimed at professional systems. It has 12 cores and 24 threads, and is based on 4 nm manufacturing technology, with a max turbo frequency of 5400 MHz and an unlocked multiplier.
Compatibility-wise, this is AMD Socket sTR5 processor with a TDP of 350 Watt. It supports DDR5 memory.
Primary details
Ryzen Threadripper PRO 9945WX processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 140 | |
| Place by popularity | not in top-100 | |
| Market segment | Server | |
| Power efficiency | 3.90 | of 100.00 (Apple M4 (8 cores)) |
| Designer | AMD | |
| Manufacturer | TSMC | |
| Architecture codename | Shimada Peak (2025) | |
| Release date | July 2025 (recently) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 12 (Dodeca-Core) | |
| Threads | 24 | |
| Base clock speed | 4.7 GHz | |
| Boost clock speed | 5.4 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 64 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 1 MB (per core) | of 2 MB (Xeon 6980P) |
| L3 cache | 64 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 4 nm | of 3 nm (EPYC 9965) |
| Die size | 2x 70.6 mm2 | |
| Number of transistors | 16,630 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Unlocked multiplier | + |
Compatibility
Information on Ryzen Threadripper PRO 9945WX compatibility with other computer components and devices: 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 | of 8 (Xeon Platinum 8454H) |
| Socket | sTR5 | |
| Power consumption (TDP) | 350 Watt | of 500 Watt (EPYC 9755) |
Technologies and extensions
Technological capabilities and additional instructions supported by Ryzen Threadripper PRO 9945WX. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| AVX | + | |
| Precision Boost 2 | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Ryzen Threadripper PRO 9945WX's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR5 |
Graphics specifications
General parameters of a GPU integrated into Ryzen Threadripper PRO 9945WX.
| Integrated graphics card | N/A |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 5.0 | |
| PCI Express lanes | 136 | of 144 (Threadripper PRO 7955WX) |
Benchmark performance
Single-core and multi-core benchmark results of Ryzen Threadripper PRO 9945WX. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Send your test results of Ryzen Threadripper PRO 9945WX.
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