Intel · 2025
Intel Xeon 6516P-B
The Intel Xeon 6516P-B is a server processor released in 2025, featuring 20 P-cores and 40 threads based on the Granite Rapids microarchitecture.
The Intel Xeon 6516P-B is a server processor launched in Q1 2025 with a launch MSRP of $1,728. It is built on a 3 nm process node and utilizes the Granite Rapids microarchitecture. The processor has 20 performance cores (P-cores) and 40 threads, with a base clock of 2.3 GHz and a boost clock of 3.5 GHz. It includes 80 MB of L3 cache and supports DDR5 memory across four channels with ECC support. The TDP is 145 W, and it uses the FCBGA4368 socket. The CPU provides 48 PCIe lanes supporting Gen 4 and Gen 5. It supports instruction sets including Intel AMX, SSE4.2, AVX, AVX2, and AVX-512. This processor is designed for server and data center applications, compatible with motherboards featuring the FCBGA4368 socket and DDR5 memory.
Specifications
| Microarchitecture unverified | Granite Rapids |
|---|---|
| Cores | 20 |
| P-cores | 20 |
| Threads | 40 |
| Base clock | 2.3 GHz |
| Boost clock | 3.5 GHz |
| L3 cache | 80 MB |
| Process node | 3 nm |
| TDP / base power | 145 W |
| Socket | FCBGA4368 |
| 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-Q1 |
| Release year | 2025 |
| Launch MSRP | 1728 USD |