Intel · 2026
Intel Xeon 678X
The Intel Xeon 678X is a 48-core server processor based on Granite Rapids microarchitecture, released in 2026.
The Intel Xeon 678X is a high-core-count server processor built on the Granite Rapids microarchitecture. It features 48 performance cores (P-cores) and 96 threads, with a base clock of 2.4 GHz and a boost clock of 4.9 GHz. The processor includes 192 MB of L3 cache and is manufactured on a 3 nm process node. It has a TDP of 300 W and a maximum turbo power of 360 W. The Xeon 678X supports DDR5 memory at 6400 MT/s and MRDIMM at 8000 MT/s across eight memory channels, with ECC support. It provides 128 PCIe 5.0 lanes and supports instruction sets including Intel SSE4.1, SSE4.2, AVX2, AVX-512, and AMX. The processor uses the FCLGA4710 socket and was released in 2026 with a launch MSRP of $4,129.
Specifications
| Microarchitecture unverified | Granite Rapids |
|---|---|
| Cores | 48 |
| P-cores | 48 |
| E-cores | 0 |
| Threads | 96 |
| Base clock | 2.4 GHz |
| Boost clock | 4.9 GHz |
| L3 cache | 192 MB |
| Process node | 3 nm |
| TDP / base power | 300 W |
| Max turbo power | 360 W |
| Socket | FCLGA4710 |
| Memory support | DDR5(6400MT/s)MRDIMM(8000MT/s) |
| Memory channels | 8 |
| ECC memory support | Yes |
| PCIe lanes (CPU) | 128 |
| PCIe version | 5.0 |
| Instruction sets | Intel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512 |
| Release date | 2026-01-01 |
| Release year | 2026 |
| Launch MSRP | 4129 USD |