| General |
|---|
| Model | 8458P |
| Codename | Sapphire Rapids |
| Segment | Server |
| Product line | 4th Generation Intel Xeon Scalable Processors |
| Process | Intel 7 |
| Launch date | Q1 2023 |
| Status | Launched |
| Use conditions | Server/Enterprise |
| CPU |
|---|
| Cores | 44 |
| Threads | 88 |
| Multithreading (SMT/HT) | Yes |
| Base clock | 2.7 GHz |
| Max boost clock | 3.8 GHz |
| Cache (level unspecified) | 82.5 MB |
| TDP | 350 W |
| Turbo Boost | Yes (2) |
| 64-bit support | Yes |
| Instruction set extensions | AMX, SSE4.2, AVX, AVX2, AVX-512 |
| UPI links | 3 |
| UPI speed | 16 GT/s |
| High priority cores | 0 |
| High priority core frequency | 0 MHz |
| Low priority cores | 0 |
| Low priority core frequency | 0 MHz |
| Memory |
|---|
| Max memory size | 4 TB |
| Memory types | DDR5 |
| Memory channels | 8 |
| ECC memory supported | Yes |
| I/O and interfaces |
|---|
| PCI Express revision | 5 |
| PCI Express lanes | 80 |
| Scalability | 2S |
| Package and thermal |
|---|
| Sockets supported | FCLGA4677 |
| Package size | 77.5mm x 56.5mm |
| TCASE | 78 °C |
| Package carrier | E1A |
| DTS max | 101 °C |
| Security and virtualization |
|---|
| Virtualization (VT-x / AMD-V) | Yes |
| Virtualization for Directed I/O (VT-d) | Yes |
| Extended Page Tables (EPT) | Yes |
| AES-NI | Yes |
| Execute Disable Bit | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel OS Guard | Yes |
| Intel Boot Guard | Yes |
| Intel Software Guard Extensions | Yes |
| Max enclave page cache size (SGX) | 512 GB |
| Mode-based Execute Control | Yes |
| Control-Flow Enforcement Technology | Yes |
| Total Memory Encryption | Yes |
| Platform Firmware Resilience | Yes |
| Crypto Acceleration | Yes |
| QuickAssist Software Acceleration | Yes |
| Technologies |
|---|
| Transactional Synchronization Extensions | Yes |
| Deep Learning Boost | Yes |
| Speed Shift Technology | Yes |
| Resource Director Technology | Yes |
| AVX-512 FMA units | 2 |
| Data Streaming Accelerator | 1 default devices |
| QuickAssist Technology | 1 default devices |
| Dynamic Load Balancer | 1 default devices |
| In-memory Analytics Accelerator | 1 default devices |
| Advanced Matrix Extensions | Yes |
| On Demand feature activation | Yes |