Ryzen AI 9 HX PRO 375 vs EPYC 7643
Primary details
Comparing EPYC 7643 and Ryzen AI 9 HX PRO 375 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 41 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 6.75 | no data |
| Market segment | Server | Laptop |
| Series | AMD EPYC | no data |
| Power efficiency | 20.08 | no data |
| Architecture codename | Milan (2021−2023) | Strix Point (2024−2025) |
| Release date | 15 March 2021 (3 years ago) | January 2025 (recently) |
| Launch price (MSRP) | $4,995 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7643 and Ryzen AI 9 HX PRO 375 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 | 48 (Octatetraconta-Core) | 12 (Dodeca-Core) |
| Threads | 96 | 24 |
| Base clock speed | 2.3 GHz | 2 GHz |
| Boost clock speed | 3.6 GHz | 5.1 GHz |
| Multiplier | 23 | no data |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 256 MB (shared) | 16 MB |
| Chip lithography | 7 nm+ | 4 nm |
| Die size | 8x 81 mm2 | no data |
| Number of transistors | 33,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on EPYC 7643 and Ryzen AI 9 HX PRO 375 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 | 2 | 1 |
| Socket | SP3 | FP8 |
| Power consumption (TDP) | 225 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7643 and Ryzen AI 9 HX PRO 375. 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 EPYC 7643 and Ryzen AI 9 HX PRO 375 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7643 and Ryzen AI 9 HX PRO 375. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 4 TiB | no data |
| Maximum memory bandwidth | 204.795 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon 890M |
Peripherals
Specifications and connection of peripherals supported by EPYC 7643 and Ryzen AI 9 HX PRO 375.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 128 | 16 |
Pros & cons summary
| Physical cores | 48 | 12 |
| Threads | 96 | 24 |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 225 Watt | 28 Watt |
EPYC 7643 has 300% more physical cores and 300% more threads.
Ryzen AI 9 HX PRO 375, on the other hand, has a 75% more advanced lithography process, and 703.6% lower power consumption.
We couldn't decide between EPYC 7643 and Ryzen AI 9 HX PRO 375. We've got no test results to judge.
Be aware that EPYC 7643 is a server/workstation processor while Ryzen AI 9 HX PRO 375 is a notebook one.
Should you still have questions on choice between EPYC 7643 and Ryzen AI 9 HX PRO 375, ask them in Comments section, and we shall answer.
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