Xeon 6503P vs Apple M5 Pro 15-Core
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 236 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Designer | Apple | Intel |
| Release date | 3 March 2026 (less than a year ago) | 1 April 2026 (less than a year ago) |
Detailed specifications
Basic parameters of M5 Pro 15-Core 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 | 15 (Pentadeca-Core) | 8 (Octa-Core) |
| Threads | 15 | 16 |
| Base clock speed | 3.048 GHz | 2.8 GHz |
| Boost clock speed | 4.61 GHz | 4.3 GHz |
| L2 cache | 32 MB | no data |
| L3 cache | 24 MB | 48 MB |
| Chip lithography | 3 nm | Intel 3 nm |
| Maximum core temperature | no data | 78 °C |
| 64 bit support | + | - |
Compatibility
Information on M5 Pro 15-Core 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.
| Socket | no data | FCLGA4710 |
| Power consumption (TDP) | no data | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by M5 Pro 15-Core 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 | - | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
M5 Pro 15-Core 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 M5 Pro 15-Core and Xeon 6503P are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by M5 Pro 15-Core and Xeon 6503P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5(6400MT/s) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by M5 Pro 15-Core and Xeon 6503P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Physical cores | 15 | 8 |
| Threads | 15 | 16 |
Apple M5 Pro 15-Core has 88% more physical cores.
Xeon 6503P, on the other hand, has 7% more threads.
We couldn't decide between Apple M5 Pro 15-Core and Intel Xeon 6503P. We've got no test results to judge.
Be aware that Apple M5 Pro 15-Core is a notebook processor while Xeon 6503P is a server/workstation one.
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