| Processor base frequency | 1.10 GHz |
| VID Voltage Range | 0.55 - 1.2 V |
| Intel® Memory Protection Extensions (Intel® MPX) | N |
| Intel® Device Protection Technology (Intel® DPT) with Boot Guard | N |
| Maximum internal memory | 393216 MB |
| Supported instruction sets | AVX-512 |
| On-board graphics card | N |
| Memory clock speeds supported by processor | 2400 MHz |
| Tcase | 82 °C |
| Intel Software Guard Extensions (Intel SGX) | N |
| Cooler included | N |
| Box | N |
| Status | Launched |
| Product type | 1 |
| Component for | Server/workstation |
| ECC | Y |
| Memory channels | Hexa-channel |
| Processor ARK ID | 128693 |
| Processor family | Intel® Xeon Phi™ |
| Processor model | 7255 |
| Processor boost frequency | 1.20 GHz |
| Processor cores | 68 |
| Processor cache | 34816 KB |
| Processor codename | Knights Mill |
| Thermal Design Power (TDP) | 215 W |
| Memory bandwidth supported by processor (max) | 115.2 GB/s |
| PCI Express configurations | 1x16,1x4,1x8 |
| Maximum internal memory supported by processor | 384 GB |
| Processor manufacturer | Intel |
| PCI Express slots version | 3.0 |
| Processor cache type | L2 |
| Processor lithography | 14 nm |
| Processor operating modes | 64-bit |
| Processor socket | LGA 3647 (Socket P) |
| Conflict-Free processor | Y |
| Maximum number of PCI Express lanes | 36 |
| Embedded options available | N |
| Execute Disable Bit | Y |
| Idle States | Y |
| Intel 64 | Y |
| Intel Enhanced Halt State | Y |
| Intel Trusted Execution Technology | N |
| Intel Virtualization Technology (VT-x) | Y |
| Intel VT-x with Extended Page Tables (EPT) | Y |
| Intel® AES New Instructions (Intel® AES-NI) | Y |
| Intel® Turbo Boost Technology | 2.0 |
| Thermal Monitoring Technologies | Y |
| Memory types supported by processor | DDR4-SDRAM |