Ryzen AI Max 390 vs EPYC 7643P
Primary details
Comparing EPYC 7643P and Ryzen AI Max 390 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 37 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.53 | no data |
| Market segment | Server | Laptop |
| Power efficiency | 20.42 | no data |
| Architecture codename | Milan (2021−2023) | Strix Halo (2025) |
| Release date | 5 September 2023 (1 year ago) | 6 January 2025 (recently) |
| Launch price (MSRP) | $2,722 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7643P and Ryzen AI Max 390 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 | 3.2 GHz |
| Boost clock speed | 3.6 GHz | 5 GHz |
| 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) | 64 MB (shared) |
| Chip lithography | 7 nm | 4 nm |
| Die size | 8x 81 mm2 | no data |
| Number of transistors | 33,200 million | no data |
| 64 bit support | - | + |
Compatibility
Information on EPYC 7643P and Ryzen AI Max 390 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 | SP3 | FP11 |
| Power consumption (TDP) | 225 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7643P and Ryzen AI Max 390. 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 7643P and Ryzen AI Max 390 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7643P and Ryzen AI Max 390. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Radeon 8050S |
Peripherals
Specifications and connection of peripherals supported by EPYC 7643P and Ryzen AI Max 390.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 128 | 16 |
Pros & cons summary
| Recency | 5 September 2023 | 6 January 2025 |
| Physical cores | 48 | 12 |
| Threads | 96 | 24 |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 225 Watt | 55 Watt |
EPYC 7643P has 300% more physical cores and 300% more threads.
Ryzen AI Max 390, on the other hand, has an age advantage of 1 year, a 75% more advanced lithography process, and 309.1% lower power consumption.
We couldn't decide between EPYC 7643P and Ryzen AI Max 390. We've got no test results to judge.
Be aware that EPYC 7643P is a server/workstation processor while Ryzen AI Max 390 is a notebook one.
Should you still have questions on choice between EPYC 7643P and Ryzen AI Max 390, ask them in Comments section, and we shall answer.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
