Xeon 6503P vs 9 273PQE
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 263 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 28.37 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 8.86 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Bartlett Lake (2025−2026) | Granite Rapids (2024−2026) |
| Release date | 9 March 2026 (less than a year ago) | 31 May 2026 (less than a year ago) |
| Launch price (MSRP) | $589 | $676 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Core 9 273PQE 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 | 12 (Dodeca-Core) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 3.4 GHz | 2.8 GHz |
| Boost clock speed | 5.9 GHz | 4.3 GHz |
| L1 cache | 80 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 36 MB (shared) | 48 MB (shared) |
| Chip lithography | 10 nm | Intel 3 nm |
| Maximum case temperature (TCase) | no data | 78 °C |
| 64 bit support | + | + |
Compatibility
Information on Core 9 273PQE 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 | 2 |
| Socket | 1700 | FCLGA4710 |
| Power consumption (TDP) | 125 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 9 273PQE 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 | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Core 9 273PQE and Xeon 6503P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 9 273PQE and Xeon 6503P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 9 273PQE and Xeon 6503P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 | DDR5(6400MT/s) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 770 | N/A |
Peripherals
Specifications and connection of peripherals supported by Core 9 273PQE and Xeon 6503P.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 20 | 88 |
Pros & cons summary
| Recency | 9 March 2026 | 31 May 2026 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Power consumption (TDP) | 125 Watt | 135 Watt |
9 273PQE has 50% more physical cores and 50% more threads, and 8% lower power consumption.
Xeon 6503P, on the other hand, has an age advantage of 2 months.
We couldn't decide between Intel Core 9 273PQE and Intel Xeon 6503P. We've got no test results to judge.
Note that Core 9 273PQE is a desktop processor while Xeon 6503P 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.
