The processor AMD Epyc 7643 is developed on the 7 nm technology node and architecture Milan (Zen 3). Its base clock speed is 2.30 GHz, and maximum clock speed in turbo boost - . AMD Epyc 7643 contains 483 processing cores. To make a right choice for computer upgrading, please get familiar with the detailed technical specifications and benchmark results. Check socket compatibility before choosing.
 CPU Cores and Base Frequency |
||||
|---|---|---|---|---|
| Frequency | 2.30 GHz | Cores | 483 | |
| Turbo (1 Core) | 3.60 GHz | CPU Threads | 96 | |
| Turbo (All Cores) | ||||
| Hyperthreading ? | Yes | Overclocking ? | No | |
| Core architecture | normal | |||
 Internal Graphics |
|
|---|---|
| GPU name | no iGPU |
| GPU frequency | |
| GPU (Turbo) | No turbo |
| Generation | |
| DirectX Version | |
| Execution units | |
| Shader | |
| Max. Memory | -- |
| Max. displays | |
| Technology | 7 nm |
| Release date | |
 Hardware codec support
|
|
|---|---|
| H264 | No |
| H265 / HEVC (8 bit) | No |
| H265 / HEVC (10 bit) | No |
| VP8 | No |
| VP9 | No |
| AV1 | No |
| AV1 | No |
| AVC | No |
| JPEG | No |
 Memory & PCIe
| ||||
|---|---|---|---|---|
| Memory type | DDR4-3200 | |||
| Max. Memory | 4096 GB | |||
| Memory channels | 8 | ECC | Yes | |
| PCIe version | 4.0 | PCIe lanes | 128 | |
 Thermal Management
| ||||
|---|---|---|---|---|
| TDP (PL1) | 240 W | TDP (PL2) | ||
| TDP up | -- | TDP down | 225 W | |
| Tjunction max | -- | |||
 Technical details
| |
|---|---|
| Instruction set (ISA) | x86-64 (64 bit) |
| Architecture | Milan (Zen 3) |
| L2-Cache | -- |
| L3-Cache | 256.00 MB |
| Technology | 7 nm |
| Virtualization | AMD-V, SVM |
| Release date | Q1/2021 |
| Socket | SP3 |
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Some of the CPUs listed below have been benchmarked by CPU-Benchmark. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Benchmark’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
