Intel · 2025
Intel Xeon 6776P-B
The Intel Xeon 6776P-B is a 72-core server processor based on the Granite Rapids microarchitecture, released in 2025.
The Intel Xeon 6776P-B is a high-core-count server processor built on the Granite Rapids microarchitecture and manufactured on a 3 nm process. It features 72 performance cores (P-cores) with 144 threads, base clock of 2.3 GHz and boost clock of 3.5 GHz. The processor includes 288 MB of L3 cache and supports DDR5 memory across 8 channels with ECC support. It provides 48 PCIe lanes compatible with Gen4 and Gen5. The TDP is 325 W, and it uses the FCBGA5026 socket. The processor supports Intel SSE4.2, AVX, AVX2, AVX-512, and AMX instruction sets. It was released on October 1, 2025 with a launch MSRP of 5645 USD.
Specifications
| Microarchitecture unverified | Granite Rapids |
|---|---|
| Cores | 72 |
| P-cores | 72 |
| Threads | 144 |
| Base clock | 2.3 GHz |
| Boost clock | 3.5 GHz |
| L3 cache | 288 MB |
| Process node | 3 nm |
| TDP / base power | 325 W |
| Socket | FCBGA5026 |
| Memory support | DDR5 |
| Memory channels | 8 |
| ECC memory support | Yes |
| PCIe lanes (CPU) | 48 |
| PCIe version | Gen4, Gen5 |
| Instruction sets | Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512, Intel AMX |
| Release date | 2025-10-01 |
| Release year | 2025 |
| Launch MSRP | 5645 USD |