Xeon 6544P-B vs 6520P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 109 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 32.37 | no data |
| Market segment | Server | Server |
| Power efficiency | 18.54 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Granite Rapids (2024−2025) | no data |
| Release date | 24 February 2025 (less than a year ago) | 1 October 2025 (less than a year ago) |
| Launch price (MSRP) | $1,295 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon 6520P and Xeon 6544P-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 | 24 (Tetracosa-Core) | 32 (Dotriaconta-Core) |
| Performance-cores | no data | 32 |
| Threads | 48 | 64 |
| Base clock speed | 2.4 GHz | 2 GHz |
| Boost clock speed | 4 GHz | 3.3 GHz |
| Bus rate | no data | 0 GT/s |
| L1 cache | 112 KB (per core) | no data |
| L2 cache | 2 MB (per core) | no data |
| L3 cache | 144 MB (shared) | 128 MB |
| Chip lithography | Intel 3 nm | Intel 3 nm |
| Die size | 598 mm2 | no data |
| Maximum core temperature | no data | 85 °C |
| Maximum case temperature (TCase) | 79 °C | no data |
| 64 bit support | + | + |
Compatibility
Information on Xeon 6520P and Xeon 6544P-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 | no data |
| Socket | FCLGA4710 | no data |
| Power consumption (TDP) | 210 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6520P and Xeon 6544P-B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | no data | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Deep Learning Boost | + | + |
Security technologies
Xeon 6520P and Xeon 6544P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | + | Yes with Intel® SPS |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6520P and Xeon 6544P-B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 6520P and Xeon 6544P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR5 |
| Maximum memory size | 4 TB | 1.13 TB |
| Max memory channels | 8 | 4 |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon 6520P and Xeon 6544P-B.
| PCIe version | 5.0 | Gen 4, Gen 5 |
| PCI Express lanes | 88 | 48 |
| Integrated LAN | no data | + |
Pros & cons summary
| Recency | 24 February 2025 | 1 October 2025 |
| Physical cores | 24 | 32 |
| Threads | 48 | 64 |
| Power consumption (TDP) | 210 Watt | 170 Watt |
Xeon 6544P-B has an age advantage of 7 months, 33.3% more physical cores and 33.3% more threads, and 23.5% lower power consumption.
We couldn't decide between Intel Xeon 6520P and Intel Xeon 6544P-B. We've got no test results to judge.
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