| Processor model | 6458Q |
| Processor cache | 60 MB |
| Processor codename | Sapphire Rapids |
| Processor socket | FCLGA4677 |
| Stepping | S3 |
| Thermal Design Power (TDP) | 350 W |
| Maximum internal memory supported by processor | 6 TB |
| Maximum number of PCI Express lanes | 80 |
| Processor ARK ID | 232386 |
| Maximum internal memory | 4 TB |
| Supported instruction sets | AMX, SSE4.2, AVX, AVX 2.0, AVX-512 |
| System bus rate | 16 GT/s |
| Processor generation | Intel Xeon Scalable 4th Gen |
| Commodity Classification Automated Tracking System (CCATS) | G180729 |
| Memory speed (max) | 4800 MHz |
| Maximum Enclave Size Support for Intel® SGX | 128 GB |
| Intel® QuickAssist Software Acceleration | Y |
| High priority cores | 8 |
| High priority core frequency | 3.3 GHz |
| Low priority cores | 24 |
| Low priority core frequency | 2.8 GHz |
| Intel® On Demand Feature Activation | Y |
| Intel® Data Streaming Accelerator (DSA) | 1 default devices |
| Intel® Advanced Matrix Extensions (AMX) | Y |
| DTS Max | 87 °C |
| Package carrier | E1B |