EPYC Embedded 9255 vs Ryzen AI Max PRO 490
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Strix / Gorgon Halo | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Gorgon Halo PRO (2026) | Turin (2024−2025) |
| Release date | 21 May 2026 (less than a year ago) | 11 March 2025 (1 year ago) |
Detailed specifications
Basic parameters of Ryzen AI Max PRO 490 and EPYC Embedded 9255: 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 | 12 (Dodeca-Core) | 24 (Tetracosa-Core) |
| Threads | 24 | 48 |
| Base clock speed | 3.2 GHz | 3.25 GHz |
| Boost clock speed | 5 GHz | 4.8 GHz |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | 12 MB | 1 MB (per core) |
| L3 cache | 64 MB | 128 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | no data | 4x 70.6 mm2 |
| Number of transistors | no data | 33,260 million |
| 64 bit support | + | + |
Compatibility
Information on Ryzen AI Max PRO 490 and EPYC Embedded 9255 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 | no data | 2 |
| Socket | FP11 | SP5 |
| Power consumption (TDP) | no data | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen AI Max PRO 490 and EPYC Embedded 9255. You'll probably need this information if you require some particular technology.
| Instruction set extensions | USB 4, XDNA 2 NPU (50 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen AI Max PRO 490 and EPYC Embedded 9255 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen AI Max PRO 490 and EPYC Embedded 9255. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 8050S ( - 2800 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen AI Max PRO 490 and EPYC Embedded 9255.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 21 May 2026 | 11 March 2025 |
| Physical cores | 12 | 24 |
| Threads | 24 | 48 |
Ryzen AI Max PRO 490 has an age advantage of 1 year.
EPYC Embedded 9255, on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between AMD Ryzen AI Max PRO 490 and AMD EPYC Embedded 9255. We've got no test results to judge.
Be aware that Ryzen AI Max PRO 490 is a notebook processor while EPYC Embedded 9255 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
