| Code Name | Coffee Lake |
Essentials |
| Vertical Segment | Desktop |
| Processor Number | i5-9400F |
| Lithography | 14 nm |
| Use Conditions | PC/Client/Tablet |
Performance |
| # of Cores | 6 |
| # of Threads | 6 |
| Processor Base Frequency | 2.90 GHz |
| Max Turbo Frequency | 4.10 GHz |
| Cache | 9 MB SmartCache |
| Bus Speed | 8 GT/s DMI3 |
| TDP | 65 W |
Supplemental Information |
| Embedded Options Available | No |
Memory Specifications |
| Max Memory Size (dependent on memory type) | 64 GB |
| Memory Types | DDR4-2666 |
| Max # of Memory Channels | 2 |
| Max Memory Bandwidth | 41.6 GB/s |
| ECC Memory Supported ‡ | No |
Expansion Options |
| Scalability | 1S Only |
| PCI Express Revision | 3.0 |
| PCI Express Configurations ‡ | Up to 1x16, 2x8, 1x8+2x4 |
| Max # of PCI Express Lanes | 16 |
Package Specifications |
| Sockets Supported | FCLGA1151 |
| Max CPU Configuration | 1 |
| Thermal Solution Specification | PCG 2015C (65W) |
| T<sub>JUNCTION</sub> | 100°C |
| Package Size | 37.5mm x 37.5mm |
Advanced Technologies |
| Intel Optane™ Memory Supported ‡ | Yes |
| Intel Turbo Boost Technology | 2.0 |
| Intel vPro™ Platform Eligibility ‡ | No |
| Intel Hyper-Threading Technology ‡ | No |
| Intel Virtualization Technology (VT-x) ‡ | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) ‡ | Yes |
| Intel VT-x with Extended Page Tables (EPT) ‡ | Yes |
| Intel TSX-NI | No |
| Intel 64 ‡ | Yes |
| Instruction Set | 64-bit |
| Instruction Set Extensions | Intel SSE4.1, Intel SSE4.2, Intel AVX2 |
| Idle States | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Thermal Monitoring Technologies | Yes |
| Intel Identity Protection Technology ‡ | Yes |
| Intel Stable Image Platform Program (SIPP) | No |
Security & Reliability |
| Intel AES New Instructions | Yes |
| Secure Key | Yes |
| Intel Software Guard Extensions (Intel SGX) | Yes with Intel ME |
| Intel Memory Protection Extensions (Intel MPX) | Yes |
| Intel OS Guard | Yes |
| Intel Trusted Execution Technology ‡ | No |
| Execute Disable Bit ‡ | Yes |
| Intel Boot Guard | Yes |