EPYC Embedded 9355P vs Xeon 6503P
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 | Server | Server |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Granite Rapids (2024−2026) | Turin (2024−2025) |
| Release date | 31 May 2026 (less than a year ago) | 11 March 2025 (1 year ago) |
| Launch price (MSRP) | $676 | no data |
Detailed specifications
Basic parameters of Xeon 6503P and EPYC Embedded 9355P: 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 | 8 (Octa-Core) | 32 (Dotriaconta-Core) |
| Threads | 16 | 64 |
| Base clock speed | 2.8 GHz | 3.55 GHz |
| Boost clock speed | 4.3 GHz | 4.4 GHz |
| L1 cache | 112 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 48 MB (shared) | 256 MB (shared) |
| Chip lithography | Intel 3 nm | 4 nm |
| Die size | no data | 8x 70.6 mm2 |
| Maximum case temperature (TCase) | 78 °C | no data |
| Number of transistors | no data | 66,520 million |
| 64 bit support | + | + |
Compatibility
Information on Xeon 6503P and EPYC Embedded 9355P 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 | FCLGA4710 | SP5 |
| Power consumption (TDP) | 135 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6503P and EPYC Embedded 9355P. 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 | + | + |
| 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 6503P and EPYC Embedded 9355P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6503P and EPYC Embedded 9355P 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 6503P and EPYC Embedded 9355P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR5 |
| 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 | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon 6503P and EPYC Embedded 9355P.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 88 | 128 |
Pros & cons summary
| Recency | 31 May 2026 | 11 March 2025 |
| Physical cores | 8 | 32 |
| Threads | 16 | 64 |
| Power consumption (TDP) | 135 Watt | 280 Watt |
Xeon 6503P has an age advantage of 1 year, and 107% lower power consumption.
EPYC Embedded 9355P, on the other hand, has 300% more physical cores and 300% more threads.
We couldn't decide between Intel Xeon 6503P and AMD EPYC Embedded 9355P. We've got no test results to judge.
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