Xeon 6518P-B vs Gold 6330N
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 334 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 5.31 | no data |
| Designer | Intel | Intel |
| Release date | 1 April 2021 (4 years ago) | 1 October 2025 (less than a year ago) |
Detailed specifications
Xeon Gold 6330N and Xeon 6518P-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 | 28 (Octacosa-Core) | 20 (Icosa-Core) |
| Performance-cores | no data | 20 |
| Threads | 56 | 40 |
| Base clock speed | 2.2 GHz | 2 GHz |
| Boost clock speed | 3.4 GHz | 3.5 GHz |
| Bus rate | no data | 0 GT/s |
| L3 cache | 42 MB | 80 MB |
| Chip lithography | 10 nm | Intel 3 nm |
| Maximum core temperature | 86 °C | 85 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Xeon Gold 6330N and Xeon 6518P-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.
| Socket | FCLGA4189 | no data |
| Power consumption (TDP) | 165 Watt | 150 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6330N and Xeon 6518P-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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| QuickAssist | no data | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Deep Learning Boost | + | + |
Security technologies
Xeon Gold 6330N and Xeon 6518P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | Yes with Intel® SPS | Yes with Intel® SPS |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6330N and Xeon 6518P-B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6330N and Xeon 6518P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2667 | DDR5 |
| Maximum memory size | 6 TB | 1.13 TB |
| Max memory channels | 8 | 4 |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6330N and Xeon 6518P-B.
| PCIe version | 4.0 | Gen 4, Gen 5 |
| PCI Express lanes | 64 | 48 |
| Integrated LAN | no data | + |
Pros & cons summary
| Recency | 1 April 2021 | 1 October 2025 |
| Physical cores | 28 | 20 |
| Threads | 56 | 40 |
| Power consumption (TDP) | 165 Watt | 150 Watt |
Xeon Gold 6330N has 40% more physical cores and 40% more threads.
Xeon 6518P-B, on the other hand, has an age advantage of 4 years, and 10% lower power consumption.
We couldn't decide between Intel Xeon Gold 6330N and Intel Xeon 6518P-B. We've got no test results to judge.
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