Athlon X2 4450e 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 | 340 | 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) | Brisbane (2007−2008) |
| Release date | 4 April 2022 (3 years ago) | April 2008 (17 years ago) |
Detailed specifications
Ryzen 9 PRO 5945 and Athlon X2 4450e 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) | 2 (Dual-core) |
| Threads | 24 | 2 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 4.7 GHz | 2.3 GHz |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 512 KB (per core) | 512 KB |
| L3 cache | 64 MB | 0 KB |
| Chip lithography | 7 nm | 65 nm |
| Die size | 2x 74 mm2 | 126 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 8,300 million | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Ryzen 9 PRO 5945 and Athlon X2 4450e 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 | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 5945 and Athlon X2 4450e. 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 Athlon X2 4450e are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 5945 and Athlon X2 4450e. 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 Athlon X2 4450e.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 20 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Physical cores | 12 | 2 |
| Threads | 24 | 2 |
| Chip lithography | 7 nm | 65 nm |
| Power consumption (TDP) | 65 Watt | 45 Watt |
Ryzen 9 PRO 5945 has 500% more physical cores and 1100% more threads, and a 828.6% more advanced lithography process.
Athlon X2 4450e, on the other hand, has 44.4% lower power consumption.
We couldn't decide between AMD Ryzen 9 PRO 5945 and AMD Athlon X2 4450e. We've got no test results to judge.
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