Intel Core i9-9940X X-series - specs
Essentials
| Product Collection | Intel® Core™ X-series Processors |
| Code Name | Products formerly Skylake |
| Vertical Segment | Desktop |
| Processor Number | i9-9940X |
| Lithography | 14 nm |
CPU Specifications
| Total Cores | 14 |
| Total Threads | 28 |
| Max Turbo Frequency | 4.40 GHz |
| Intel® Turbo Boost Max Technology 3.0 Frequency | 4.50 GHz |
| Processor Base Frequency | 3.30 GHz |
| Cache | 19.25 MB Intel® Smart Cache |
| Bus Speed | 8 GT/s |
| # of QPI Links | 0 |
| TDP | 165 W |
Supplemental Information
| Marketing Status | Discontinued |
| Launch Date | Q4'18 |
| Servicing Status | Baseline Servicing |
| End of Servicing Updates Date | Sunday, December 31, 2023 |
| Embedded Options Available | No |
| Included Items | Please note: The boxed product does not include a fan or heat sink |
Memory Specifications
| Max Memory Size (dependent on memory type) | 128 GB |
| Memory Types | DDR4-2666 |
| Max # of Memory Channels | 4 |
| Max Memory Bandwidth | 85 GB/s |
| ECC Memory Supported | No |
Expansion Options
| Scalability | 1S Only |
| PCI Express Revision | 3.0 |
| Max # of PCI Express Lanes | 44 |
Package Specifications
| Sockets Supported | FCLGA2066 |
| Max CPU Configuration | 1 |
| Thermal Solution Specification | PCG 2017X |
| TJUNCTION | 88°C |
Advanced Technologies
| Intel® Optane™ Memory Supported | Yes |
| Intel® Turbo Boost Max Technology 3.0 | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® Hyper-Threading Technology | Yes |
| Intel® 64 | Yes |
| Instruction Set Extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| # of AVX-512 FMA Units | 2 |
| Enhanced Intel SpeedStep® Technology | Yes |
Security & Reliability
| Intel® AES New Instructions | Yes |
| Execute Disable Bit | Yes |
| Intel® Virtualization Technology (VT-x) | Yes |
| Intel® Virtualization Technology for Directed I/O (VT-d) | Yes |