Xeon 6503P vs EPYC Embedded 3251
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 |
| Series | AMD EPYC Embedded | no data |
| Designer | AMD | Intel |
| Architecture codename | Zen (2017−2020) | no data |
| Release date | 21 February 2018 (8 years ago) | 1 April 2026 (less than a year ago) |
| Launch price (MSRP) | $315 | no data |
Detailed specifications
Basic parameters of EPYC Embedded 3251 and Xeon 6503P: 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) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 2.5 GHz | 2.8 GHz |
| Boost clock speed | 3.1 GHz | 4.3 GHz |
| Multiplier | 25 | no data |
| L1 cache | 96K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 16 MB (shared) | 48 MB |
| Chip lithography | 14 nm | Intel 3 nm |
| Die size | 192 mm2 | no data |
| Maximum core temperature | no data | 78 °C |
| Number of transistors | 4,800 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC Embedded 3251 and Xeon 6503P 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 (Uniprocessor) | no data |
| Socket | TR4 | FCLGA4710 |
| Power consumption (TDP) | 50 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 3251 and Xeon 6503P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
EPYC Embedded 3251 and Xeon 6503P 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 EPYC Embedded 3251 and Xeon 6503P 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 EPYC Embedded 3251 and Xeon 6503P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR5(6400MT/s) |
| Maximum memory size | 512 GB | 4 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 42.671 GB/s | no data |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by EPYC Embedded 3251 and Xeon 6503P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Recency | 21 February 2018 | 1 April 2026 |
| Power consumption (TDP) | 50 Watt | 135 Watt |
EPYC Embedded 3251 has 170% lower power consumption.
Xeon 6503P, on the other hand, has an age advantage of 8 years.
We couldn't decide between AMD EPYC Embedded 3251 and Intel Xeon 6503P. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
