Intel · 2025
Intel Xeon 6543P-B
The Intel Xeon 6543P-B is a 32-core server processor released in 2025, based on the Granite Rapids microarchitecture.
The Intel Xeon 6543P-B is a server processor launched in 2025, built on the Granite Rapids microarchitecture and manufactured on a 3 nm process node. It features 32 P-cores and 64 threads, with a base clock of 2.00 GHz and a boost clock of 3.3 GHz. The processor includes 128 MB of L3 cache and supports DDR5 memory across four channels, with ECC memory support. It has 48 PCIe lanes supporting Gen 4 and Gen 5, and a TDP of 160 W. The processor uses the FCBGA4368 socket and supports instruction sets including 64-bit, Intel AMX, SSE4.2, AVX, AVX2, and AVX-512. The launch MSRP was 2471 USD.
Specifications
| Microarchitecture unverified | Granite Rapids |
|---|---|
| Cores | 32 |
| P-cores | 32 |
| Threads | 64 |
| Base clock | 2.00 GHz |
| Boost clock | 3.3 GHz |
| L3 cache | 128 MB |
| Process node | 3 nm |
| TDP / base power | 160 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 | 64-bit, Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512 |
| Release date | 2025-01-01 |
| Release year | 2025 |
| Launch MSRP | 2471 USD |