Ultra 3 205 vs Ryzen 9 PRO 5945
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 330 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 12.78 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Vermeer (2020−2025) | Arrow Lake-S (2024−2025) |
| Release date | 4 April 2022 (3 years ago) | August 2025 (recently) |
| Launch price (MSRP) | no data | $140 |
Detailed specifications
Ryzen 9 PRO 5945 and Core Ultra 3 205 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) | 8 (Octa-Core) |
| Threads | 24 | 8 |
| Base clock speed | 3 GHz | 3.8 GHz |
| Boost clock speed | 4.7 GHz | 4.9 GHz |
| L1 cache | 64 KB (per core) | 192 KB (per core) |
| L2 cache | 512 KB (per core) | 3 MB (per core) |
| L3 cache | 64 MB | 15 MB (shared) |
| Chip lithography | 7 nm | 3 nm |
| Die size | 2x 74 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 8,300 million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 9 PRO 5945 and Core Ultra 3 205 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 | AM4 | 1851 |
| Power consumption (TDP) | 65 Watt | 57 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 5945 and Core Ultra 3 205. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 PRO 5945 and Core Ultra 3 205 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 PRO 5945 and Core Ultra 3 205 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 5945 and Core Ultra 3 205. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Arc Xe-LPG Graphics 16EU |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 5945 and Core Ultra 3 205.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 24 |
Pros & cons summary
| Physical cores | 12 | 8 |
| Threads | 24 | 8 |
| Chip lithography | 7 nm | 3 nm |
| Power consumption (TDP) | 65 Watt | 57 Watt |
Ryzen 9 PRO 5945 has 50% more physical cores and 200% more threads.
Ultra 3 205, on the other hand, has a 133.3% more advanced lithography process, and 14% lower power consumption.
We couldn't decide between AMD Ryzen 9 PRO 5945 and Intel Core Ultra 3 205. We've got no test results to judge.
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