Xeon 6563P-B vs 6766E
Primary details
Comparing Xeon 6766E and Xeon 6563P-B 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 | Intel |
| Architecture codename | Sierra Forest (2024) | Granite Rapids (2024−2025) |
| Release date | 3 June 2024 (less than a year ago) | 24 February 2025 (recently) |
| Launch price (MSRP) | $10,257 | $2,616 |
Detailed specifications
Xeon 6766E and Xeon 6563P-B 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 | 144 | 38 |
| Threads | 144 | 76 |
| Base clock speed | 1.9 GHz | 2.4 GHz |
| Boost clock speed | 2.7 GHz | 4 GHz |
| L1 cache | 96 KB (per core) | 112 KB (per core) |
| L2 cache | 4 MB (per module) | 2 MB (per core) |
| L3 cache | 108 MB (shared) | 152 MB (shared) |
| Chip lithography | 5 nm | 5 nm |
| Die size | no data | 598 mm2 |
| Maximum case temperature (TCase) | 84 °C | 85 °C |
| 64 bit support | + | + |
Compatibility
Information on Xeon 6766E and Xeon 6563P-B 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 | 4710 | Intel BGA 4368 |
| Power consumption (TDP) | 250 Watt | 235 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6766E and Xeon 6563P-B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | + |
Security technologies
Xeon 6766E and Xeon 6563P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6766E and Xeon 6563P-B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 6766E and Xeon 6563P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
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 6766E and Xeon 6563P-B.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 88 | 32 |
Pros & cons summary
| Recency | 3 June 2024 | 24 February 2025 |
| Physical cores | 144 | 38 |
| Threads | 144 | 76 |
| Power consumption (TDP) | 250 Watt | 235 Watt |
Xeon 6766E has 278.9% more physical cores and 89.5% more threads.
Xeon 6563P-B, on the other hand, has an age advantage of 8 months, and 6.4% lower power consumption.
We couldn't decide between Intel Xeon 6766E and Intel Xeon 6563P-B. We've got no test results to judge.
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