Six‑core Intel Core i5‑8400 offers 2.8 GHz base and 4 GHz turbo, with 9 MB Smart Cache and integrated UHD 630 graphics that support 4K at 60 Hz. Built on a 14 nm Coffee Lake process, it runs on LGA1151 sockets, supports DDR4‑2666 dual‑channel memory, and operates within a 65 W TDP for efficient desktop performance.
| Brand | Intel |
| EAN | 5032037108904 |
| ASIN | B0759FGJ3Q |
| Model | BX80684I58400 |
| MPN | BX80684I58400 |
| Box | Yes |
| Bus bandwidth | 8 |
| Bus Type | DMI3 |
| Bus type units | GT/s |
| Component for | PC |
| Conflict free processor | Yes |
| Cooler included | Yes |
| Core count | Hexa Core |
| CPU Speed | 2.8 GHz |
| ECC | No |
| ECC supported by processor | No |
| Embedded options available | No |
| Enhanced intel speedstep technology | Yes |
| Execute disable bit | Yes |
| Execution units | 23 |
| Graphics base frequency | 350 MHz |
| Graphics Maximum Dynamic Frequency | 1.05 GHz |
| Harmonized System HS code | 8542310001 |
| Idle states | Yes |
| Intel 64 | Yes |
| Intel clear video technology | Yes |
| Intel enhanced halt state | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Intel Optane Memory Ready | Yes |
| Intel Software Guard Extensions | Yes |
| Intel Stable Image Platform Program | No |
| Intel Stable Image Platform Program SIPP version | 0.00 |
| Intel trusted execution technology | No |
| Intel TSX-NI | No |
| Intel Virtualization Technology | Yes |
| Intel Virtualization Technology for Directed I/O | Yes |
| Intel VT-x with Extended Page Tables | Yes |
| Intel® AES New instructions | Yes |
| Intel® Clear Video HD Technology | Yes |
| Intel® Clear Video Technology for Mobile Internet Devices | Yes |
| Intel® Hyper Threading Technology | No |
| Intel® Identity Protection Technology | Yes |
| Intel® InTru™ 3D Technology | Yes |
| Intel® OS Guard | Yes |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Secure Key | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® vPro™ Technology | No |
| L1 Cache | 9 MB |
| Launch date | Q4'17 |
| Market segment | DT |
| Maximum CPU configuration | 1 |
| Maximum graphics adapter memory | 64 GB |
| Maximum internal memory | 65536 MB |
| Maximum number of PCI Express lanes | 16 |
| Maximum resolution & refresh rate (DisplayPort) | 4096x2304@60Hz |
| Memory bandwidth supported by processor | 41.6 GB/s |
| Memory channels | Dual |
| Memory clock speeds supported by processor | 2666 MHz |
| Memory types | DDR4-2666 |
| Memory types supported by processor | DDR4-SDRAM |
| On-board graphics adapter | Yes |
| On-board graphics adapter 4K support | Yes |
| On-board graphics adapter DirectX version | 12.0 |
| On-board graphics adapter dynamic frequency | 1050 MHz |
| On-board graphics adapter ID | 0x3E92 |
| On-board graphics adapter maximum resolution (eDP - Integrated Flat Panel) | 4096 x 2304 pixels |
| On-board graphics adapter model | Intel® UHD Graphics 630 |
| On-board graphics adapter OpenGL version | 4.5 |
| On-board graphics adapter outputs supported | DisplayPort,Embedded DisplayPort (eDP),HDMI |
| On-board graphics adapter refresh rate at maximum resolution (DisplayPort) | 60 Hz |
| On-board graphics adapter refresh rate at maximum resolution (HDMI) | 24 Hz |
| Package depth | 116 mm |
| Package Height | 101 mm |
| Package type | Retail |
| Package width | 70 mm |
| PCI Express CEM Revision | 3.0 |
| PCI Express configurations | 1x16,1x8+2x4,2x8 |
| Processor ARK ID | 126687 |
| Processor brand name | 8th Gen Intel Core i58th Gen Intel Core i5 Processor |
| Processor cache type | Smart Cache |
| Processor codename | Coffee Lake |
| Processor cores | 6 |
| Processor family | 8th gen Intel® Core™ i5 |
| Processor lithography | 14 nm |
| Processor manufacturer | Intel |
| Processor model | i5-8400 |
| Processor package size | 37.5 x 37.5 mm |
| Processor socket | LGA 1151 (Socket H4) |
| Product family | Intel Core Processors |
| Product Type | Processor |
| Socket | 1151 |
| Status | Launched |
| Supported instruction sets | AVX 2.0,SSE4.1,SSE4.2 |
| Thermal design power | 65 W |
| Thermal monitoring technologies | Yes |
| Thermal solution specification | PCG 2015C |