Ryzen 5 PRO 8640U vs EPYC 7662
Primary details
Comparing EPYC 7662 and Ryzen 5 PRO 8640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 43 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 19.14 | no data |
| Architecture codename | Zen 2 (2017−2020) | Hawk Point (2024) |
| Release date | 19 February 2020 (4 years ago) | 16 April 2024 (less than a year ago) |
Detailed specifications
EPYC 7662 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 | 64 (Tetrahexaconta-Core) | 6 (Hexa-Core) |
| Threads | 128 | 12 |
| Base clock speed | 2 GHz | 3.5 GHz |
| Boost clock speed | 3.3 GHz | 4.9 GHz |
| Multiplier | 20 | no data |
| L1 cache | 4 MB | 64 KB (per core) |
| L2 cache | 32 MB | 1 MB (per core) |
| L3 cache | 256 MB | 16 MB (shared) |
| Chip lithography | 7 nm, 14 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on EPYC 7662 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 | no data | 1 |
| Socket | Socket SP3 | FP7 |
| Power consumption (TDP) | 225 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7662 and Ryzen 5 PRO 8640U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7662 and Ryzen 5 PRO 8640U are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7662 and Ryzen 5 PRO 8640U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 4 TiB | no data |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 204.763 GB/s | no data |
| ECC memory support | + | - |
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 EPYC 7662 and Ryzen 5 PRO 8640U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 19 February 2020 | 16 April 2024 |
| Physical cores | 64 | 6 |
| Threads | 128 | 12 |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 225 Watt | 28 Watt |
EPYC 7662 has 966.7% more physical cores and 966.7% more threads.
Ryzen 5 PRO 8640U, on the other hand, has an age advantage of 4 years, a 75% more advanced lithography process, and 703.6% lower power consumption.
We couldn't decide between EPYC 7662 and Ryzen 5 PRO 8640U. We've got no test results to judge.
Should you still have questions on choice between EPYC 7662 and Ryzen 5 PRO 8640U, ask them in Comments section, and we shall answer.
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