Ryzen Threadripper PRO 9945WX vs Ultra 7 265KF
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 112 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 99.52 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 11.33 | no data |
| Designer | Intel | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Arrow Lake-S (2024−2025) | Shimada Peak (2025) |
| Release date | 24 October 2024 (less than a year ago) | July 2025 (recently) |
| Launch price (MSRP) | $379 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX 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 | 20 (Icosa-Core) | 12 (Dodeca-Core) |
| Performance-cores | 8 | no data |
| Efficient-cores | 12 | no data |
| Threads | 20 | 24 |
| Base clock speed | 3.9 GHz | 4.7 GHz |
| Boost clock speed | 5.5 GHz | 5.4 GHz |
| L1 cache | 112 KB (per core) | 64 KB (per core) |
| L2 cache | 3 MB (per core) | 1 MB (per core) |
| L3 cache | 30 MB (shared) | 64 MB (shared) |
| Chip lithography | 3 nm | 4 nm |
| Die size | 243 mm2 | 2x 70.6 mm2 |
| Number of transistors | 17,800 million | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX 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 | FCLGA1851 | sTR5 |
| Power consumption (TDP) | 125 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN | - |
Security technologies
Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-6400 | DDR5 |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 265KF and Ryzen Threadripper PRO 9945WX.
| PCIe version | 5.0 and 4.0 | 5.0 |
| PCI Express lanes | 24 | 136 |
Pros & cons summary
| Physical cores | 20 | 12 |
| Threads | 20 | 24 |
| Chip lithography | 3 nm | 4 nm |
| Power consumption (TDP) | 125 Watt | 350 Watt |
Ultra 7 265KF has 66.7% more physical cores, a 33.3% more advanced lithography process, and 180% lower power consumption.
Ryzen Threadripper PRO 9945WX, on the other hand, has 20% more threads.
We couldn't decide between Intel Core Ultra 7 265KF and AMD Ryzen Threadripper PRO 9945WX. We've got no test results to judge.
Note that Core Ultra 7 265KF is a desktop processor while Ryzen Threadripper PRO 9945WX is a server/workstation one.
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