EPYC 7643P vs Ryzen 5 7545U
Primary details
Comparing Ryzen 5 7545U and EPYC 7643P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 49 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 12.92 |
| Market segment | Laptop | Server |
| Power efficiency | no data | 18.19 |
| Architecture codename | Phoenix (Zen4) (2023) | Milan (2021−2023) |
| Release date | 2 November 2023 (1 year ago) | 5 September 2023 (1 year ago) |
| Launch price (MSRP) | no data | $2,722 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 5 7545U and EPYC 7643P 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 | 6 (Hexa-Core) | 48 (Octatetraconta-Core) |
| Threads | 12 | 96 |
| Base clock speed | 3.2 GHz | 2.3 GHz |
| Boost clock speed | 4.9 GHz | 3.6 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 16 MB (shared) | 256 MB (shared) |
| Chip lithography | 4 nm | 7 nm |
| Die size | 137 mm2 | 8x 81 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 20,900 million | 33,200 million |
| 64 bit support | + | - |
Compatibility
Information on Ryzen 5 7545U and EPYC 7643P 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 | FP7 | SP3 |
| Power consumption (TDP) | 28 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 7545U and EPYC 7643P. 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 Ryzen 5 7545U and EPYC 7643P are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 7545U and EPYC 7643P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 740M | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 7545U and EPYC 7643P.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 14 | 128 |
Pros & cons summary
| Recency | 2 November 2023 | 5 September 2023 |
| Physical cores | 6 | 48 |
| Threads | 12 | 96 |
| Chip lithography | 4 nm | 7 nm |
| Power consumption (TDP) | 28 Watt | 225 Watt |
Ryzen 5 7545U has an age advantage of 1 month, a 75% more advanced lithography process, and 703.6% lower power consumption.
EPYC 7643P, on the other hand, has 700% more physical cores and 700% more threads.
We couldn't decide between Ryzen 5 7545U and EPYC 7643P. We've got no test results to judge.
Be aware that Ryzen 5 7545U is a notebook processor while EPYC 7643P is a server/workstation one.
Should you still have questions on choice between Ryzen 5 7545U and EPYC 7643P, ask them in Comments section, and we shall answer.
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