Phenom X4 9950 BE (125W) 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 | 322 | 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 | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Vermeer (2020−2025) | Agena (2007−2008) |
| Release date | 4 April 2022 (3 years ago) | October 2008 (16 years ago) |
Detailed specifications
Ryzen 9 PRO 5945 and Phenom X4 9950 BE (125W) 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) | 4 (Quad-Core) |
| Threads | 24 | 4 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 4.7 GHz | 2.6 GHz |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| L3 cache | 64 MB | 2 MB (shared) |
| Chip lithography | 7 nm | 65 nm |
| Die size | 2x 74 mm2 | 285 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 8,300 million | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 9 PRO 5945 and Phenom X4 9950 BE (125W) 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 | AM2+ |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 5945 and Phenom X4 9950 BE (125W). 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 5945 and Phenom X4 9950 BE (125W) are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 5945 and Phenom X4 9950 BE (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 5945 and Phenom X4 9950 BE (125W).
| PCIe version | 4.0 | no data |
| PCI Express lanes | 20 | no data |
Pros & cons summary
| Physical cores | 12 | 4 |
| Threads | 24 | 4 |
| Chip lithography | 7 nm | 65 nm |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Ryzen 9 PRO 5945 has 200% more physical cores and 500% more threads, a 828.6% more advanced lithography process, and 92.3% lower power consumption.
We couldn't decide between AMD Ryzen 9 PRO 5945 and AMD Phenom X4 9950 BE (125W). We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
