AMD EPYC 7643P: specs and benchmarks
Aggregate performance score
EPYC 7643P provides outstanding benchmark performance at 43.23% of a leader's which is a 96-core EPYC 9655P.
Summary
AMD started EPYC 7643P sales 5 September 2023 at a recommended price of $2,722. This is a Milan architecture desktop processor primarily aimed at professional systems. It has 48 cores and 96 threads, and is based on 7 nm manufacturing technology, with a maximum frequency of 3600 MHz and a locked multiplier.
Compatibility-wise, this is AMD Socket SP3 processor with a TDP of 225 Watt. It supports DDR4 memory.
Primary details
EPYC 7643P processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 49 | |
| Place by popularity | not in top-100 | |
| Cost-effectiveness evaluation | 13.01 | |
| Market segment | Server | |
| Power efficiency | 18.18 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | Milan (2021−2023) | |
| Release date | 5 September 2023 (1 year ago) | |
| Launch price (MSRP) | $2,722 | of 17,906 (Xeon Platinum 8280L) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 48 (Octatetraconta-Core) | |
| Threads | 96 | |
| Base clock speed | 2.3 GHz | of 4.7 GHz (Ryzen 9 7900X) |
| Boost clock speed | 3.6 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 64 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 512 KB (per core) | of 2 MB (Xeon 6980P) |
| L3 cache | 256 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 7 nm | of 3 nm (Core Ultra 9 285K) |
| Die size | 8x 81 mm2 | |
| Number of transistors | 33,200 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | - |
Compatibility
Information on EPYC 7643P compatibility with other computer components and devices: 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 | of 8 (Xeon Platinum 8454H) |
| Socket | SP3 | |
| Power consumption (TDP) | 225 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by EPYC 7643P. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| AVX | + | |
| Precision Boost 2 | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + |
Memory specs
Types, maximum amount and channel number of RAM supported by EPYC 7643P's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR4 |
Graphics specifications
General parameters of a GPU integrated into EPYC 7643P.
| Integrated graphics card | N/A |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 4.0 | of 5.0 (EPYC 9655P) |
| PCI Express lanes | 128 |
Benchmark performance
Single-core and multi-core benchmark results of EPYC 7643P. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Send your test results of EPYC 7643P.
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