Intel · 2025
Intel Xeon 6521P
The Intel Xeon 6521P is a 24-core server processor based on the Granite Rapids microarchitecture, released in 2025.
The Intel Xeon 6521P is a server processor from Intel's Xeon family, launched in 2025. It features 24 cores and 48 threads, with base and boost clocks of 2.6 GHz and 4.1 GHz respectively. Built on a 3 nm process node, it includes 144 MB of L3 cache and supports DDR5 memory at 6400 MT/s across eight channels, with ECC support. The processor has a TDP of 225 W and uses the FCLGA4710 socket. It provides 136 PCIe 5.0 lanes and supports instruction sets including SSE4.2, AVX, AVX2, AVX-512, and AMX. The launch MSRP was $1500.
Specifications
| Microarchitecture unverified | Granite Rapids |
|---|---|
| Cores | 24 |
| Threads | 48 |
| Base clock | 2.6 GHz |
| Boost clock | 4.1 GHz |
| L3 cache | 144 MB |
| Process node | 3 nm |
| TDP / base power | 225 W |
| Socket | FCLGA4710 |
| Memory support | DDR5(6400MT/s) |
| Memory channels | 8 |
| ECC memory support | Yes |
| PCIe lanes (CPU) | 136 |
| PCIe version | 5.0 |
| Instruction sets | Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512, Intel AMX |
| Release date | 2025-01-01 |
| Release year | 2025 |
| Launch MSRP | 1500 USD |