Ryzen 5 PRO 8640U vs Athlon 64 FX-51
Primary details
Comparing Athlon 64 FX-51 and Ryzen 5 PRO 8640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3135 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.30 | no data |
| Architecture codename | SledgeHammer (2003−2005) | Hawk Point (2024) |
| Release date | September 2003 (21 year ago) | 16 April 2024 (less than a year ago) |
Detailed specifications
Athlon 64 FX-51 and Ryzen 5 PRO 8640U 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 | 1 (Single-Core) | 6 (Hexa-Core) |
| Threads | 1 | 12 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 2.2 GHz | 4.9 GHz |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 130 nm | 4 nm |
| Die size | 193 mm2 | 178 mm2 |
| Number of transistors | 105 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Athlon 64 FX-51 and Ryzen 5 PRO 8640U 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 | 940 | FP7 |
| Power consumption (TDP) | 89 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 FX-51 and Ryzen 5 PRO 8640U. 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 Athlon 64 FX-51 and Ryzen 5 PRO 8640U are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-51 and Ryzen 5 PRO 8640U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 FX-51 and Ryzen 5 PRO 8640U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 130 nm | 4 nm |
| Power consumption (TDP) | 89 Watt | 28 Watt |
Ryzen 5 PRO 8640U has 500% more physical cores and 1100% more threads, a 3150% more advanced lithography process, and 217.9% lower power consumption.
We couldn't decide between Athlon 64 FX-51 and Ryzen 5 PRO 8640U. We've got no test results to judge.
Note that Athlon 64 FX-51 is a desktop processor while Ryzen 5 PRO 8640U is a server/workstation one.
Should you still have questions on choice between Athlon 64 FX-51 and Ryzen 5 PRO 8640U, ask them in Comments section, and we shall answer.
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