Intel · 2025
Intel Xeon 6518P-B
The Intel Xeon 6518P-B is a 20-core server processor based on Granite Rapids microarchitecture, released in 2025.
The Intel Xeon 6518P-B is a server processor released in 2025, built on the Granite Rapids microarchitecture and a 3 nm process node. It features 20 performance cores (P-cores) with 40 threads, base clock of 2.00 GHz and boost clock of 3.5 GHz. The processor includes 80 MB of L3 cache and has a TDP of 150 W. Memory support includes DDR5 with four memory channels and ECC support. It provides 48 PCIe lanes, compatible with both Gen 4 and Gen 5. Supported instruction sets include Intel AMX, SSE4.2, AVX, AVX2, and AVX-512. The processor is designed for use in servers and workstations requiring high core counts and advanced memory and PCIe capabilities.
Specifications
| Microarchitecture unverified | Granite Rapids |
|---|---|
| Cores | 20 |
| P-cores | 20 |
| Threads | 40 |
| Base clock | 2.00 GHz |
| Boost clock | 3.5 GHz |
| L3 cache | 80 MB |
| Process node | 3 nm |
| TDP / base power | 150 W |
| Memory support | DDR5 |
| Memory channels | 4 |
| ECC memory support | Yes |
| PCIe lanes (CPU) | 48 |
| PCIe version | Gen 4, Gen 5 |
| Instruction sets | Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512 |
| Release date | 2025-10-01 |
| Release year | 2025 |