Intel · 2026
Intel Xeon 658X
The Intel Xeon 658X is a 24-core server processor released in 2026. It supports DDR5 memory, PCIe 5.0, and includes AVX-512 and AMX instruction sets.
The Intel Xeon 658X is a 24-core processor released in 2026, featuring 24 performance cores and 48 threads. It operates at a base clock of 3 GHz and a boost clock of 4.9 GHz, with a large 144 MB L3 cache. The processor has a base power of 250 W and a maximum turbo power of 300 W. It uses the FCLGA4710 socket and supports 8-channel DDR5 memory with ECC capability. The CPU provides 128 PCIe 5.0 lanes for high-bandwidth connectivity. It supports instruction sets including SSE4.1, SSE4.2, AVX2, AVX-512, and AMX, making it suitable for compute-intensive server workloads.
Specifications
| Cores | 24 |
|---|---|
| P-cores | 24 |
| E-cores | 0 |
| Threads | 48 |
| Base clock | 3 GHz |
| Boost clock | 4.9 GHz |
| L3 cache | 144 MB |
| TDP / base power | 250 W |
| Max turbo power | 300 W |
| Socket | FCLGA4710 |
| Memory support | DDR5 |
| Memory channels | 8 |
| ECC memory support | Yes |
| PCIe lanes (CPU) | 128 |
| PCIe version | 5.0 |
| Instruction sets | SSE4.1, AMX, SSE4.2, AVX2, AVX-512 |
| Release date | 2026 |
| Release year | 2026 |