Ryzen AI Max+ PRO 395 vs Xeon Platinum 8558U
Primary details
Comparing Xeon Platinum 8558U and Ryzen AI Max+ PRO 395 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 | Server | Laptop |
| Architecture codename | Emerald Rapids (2023) | Strix Halo (2025) |
| Release date | 14 December 2023 (1 year ago) | 6 January 2025 (recently) |
| Launch price (MSRP) | $3,720 | no data |
Detailed specifications
Xeon Platinum 8558U and Ryzen AI Max+ PRO 395 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) | 16 (Hexadeca-Core) |
| Threads | 96 | 32 |
| Base clock speed | 2 GHz | 3 GHz |
| Boost clock speed | 4 GHz | 5.1 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 260 MB (shared) | 64 MB (shared) |
| Chip lithography | Intel 7 nm | 4 nm |
| Die size | 2x 763 mm2 | no data |
| Maximum case temperature (TCase) | 78 °C | no data |
| 64 bit support | + | + |
Compatibility
Information on Xeon Platinum 8558U and Ryzen AI Max+ PRO 395 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 | FCLGA4677 | FP11 |
| Power consumption (TDP) | 300 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8558U and Ryzen AI Max+ PRO 395. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Platinum 8558U and Ryzen AI Max+ PRO 395 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8558U and Ryzen AI Max+ PRO 395 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8558U and Ryzen AI Max+ PRO 395. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 @ 4800 MT/s (1 DPC) | no data |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Radeon 8060S |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8558U and Ryzen AI Max+ PRO 395.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 80 | 16 |
Pros & cons summary
| Recency | 14 December 2023 | 6 January 2025 |
| Physical cores | 48 | 16 |
| Threads | 96 | 32 |
| Power consumption (TDP) | 300 Watt | 55 Watt |
Xeon Platinum 8558U has 200% more physical cores and 200% more threads.
Ryzen AI Max+ PRO 395, on the other hand, has an age advantage of 1 year, and 445.5% lower power consumption.
We couldn't decide between Xeon Platinum 8558U and Ryzen AI Max+ PRO 395. We've got no test results to judge.
Be aware that Xeon Platinum 8558U is a server/workstation processor while Ryzen AI Max+ PRO 395 is a notebook one.
Should you still have questions on choice between Xeon Platinum 8558U and Ryzen AI Max+ PRO 395, ask them in Comments section, and we shall answer.
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