Intel Core i9-9940X serie X VS Intel Core i9-10900X serie X
Benchmark results
specs
| Processor series | Intel Core X Series | Intel Core X series processors |
| Included accessories | Does not include heatsink or fan | Does not include heatsink or fan |
| Status | In production | In production |
| Launch date | Fourth Quarter of 2018 | Fourth Quarter of 2019 |
| Technology | 14 nm | 14 nm |
| Name | Products Skylake | Cascade Lake Products |
| Processor ID | i9-9940X | i9-10900X |
| Designed for | Desktop | Desktop |
| Generation | 9.0 | 9.0 |
| Number of AVX-512 FMA units | 2.0 | 2.0 |
| Compatible with Intel Optane | Yes | Yes |
| Instruction Extensions | Intel SSE4.1 / Intel SSE4.2 / Intel AVX2 / Intel AVX - 512 | Intel SSE4.1 / Intel SSE4.2 / Intel AVX2 / Intel AVX - 512 |
| Intel 64 | Yes | Yes |
| Intel Deep Learning Boost | - | Yes |
| Virtualization | Yes | Yes |
| Virtualization technology for directed I/O (VT-d) | Yes | Yes |
| Enhanced Intel SpeedStep Technology | Yes | Yes |
| Hyper-Threading | Yes | Yes |
| Intel Turbo Boost Support | 2.0 | 2.0 |
| Intel Turbo Boost Max 3.0 Support | Yes | Yes |
| Integrated options available | No | No |
| Cache | Cache 19.25 Mb Intel Smart | Cache 19.25 Mb Intel Smart |
| Number of QPI links | 0.0 | - |
| Number of cores | 14.0 | 10.0 |
| Number of sub-processes | 28.0 | 20.0 |
| Processor base frequency | 3.30 GHz | 3.70 GHz |
| Intel Turbo Boost Max Frequency 3.0 | 4.50 GHz | 4.70 GHz |
| Maximum turbo frequency | 4.40 GHz | 4.50 GHz |
| Power consumption (TDP) | 165 W | 165 W |
| Bus speed | 8 WG/s | 8 DMI3 WGs |
| Overclocking | No | No |
| Maximum amount of PCI Express | 44.0 | 48.0 |
| Scalability | Only 1S | Only 1S |
| PCI Express version | 3.0 | 3.0 |
| Heatsink | PCG 2017X | PCG 2017X |
| Number of simultaneous processors | 1.0 | 1.0 |
| Maximum temperature (Tjunction) | 88 °C | 94 °C |
| Socket | FC-LGA2066 | FC-LGA2066 |
| Maximum number of memory channels | 4.0 | 4.0 |
| ECC memory support | No | No |
| Maximum memory bandwidth supported | 85 Gb/s | 94 Gb/s |
| Maximum memory supported | 128 Gb | 256 Gb |
| Supported memory types | DDR4 2666 MHz | DDR4 2933 MHz |
| Support for Execute Disable Bit | Yes | Yes |
| Intel AES instruction support | Yes | Yes |