Intel Core i5-10400F Processor
2.9 GHz / 6 Cores / 12 Threads / 12 MB Cache / 65 W / No Graphics
- Part Number
- CORE-I5-10400F
- Brand
- Intel
- Category
- Desktop Processor
- Accepted Payments
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Technical Specifications
| Socket | LGA1200 |
|---|---|
| Series | Core i5 |
| Generation | 10th Gen (Comet Lake) |
| Cores | 6 |
| Threads | 12 |
| Base Frequency | 2.9 GHz |
| Max Turbo Frequency | 4.3 GHz |
| Cache | 12 MB |
| TDP | 65 W |
| Integrated Graphics | None (F / KF) |
| Unlocked | No (Locked) |
| Cooler Included | No (Tray / OEM) |
| Memory Type | DDR4 UDIMM |
| Max Memory Speed | 2666 MHz |
| Memory Channels | 2 channels |
| PCIe Version | PCIe 3.0 |
| Lithography | Intel 14 nm |
| Condition | Used |
Frequently Asked Questions
The Intel Core i5-10400F Processor — 6 cores and 12 threads, 2.9 GHz base rising to 4.3 GHz with Turbo Boost, 12 MB Intel Smart Cache, 65 W processor base power, LGA1200. Supplied from stock with a 1-year warranty.
The twelve-thread budget workhorse
The i5-10400F is the 10400 with the integrated graphics disabled: six cores, twelve threads, 2.90/4.30 GHz, 12 MB of cache, 65 W. It became the default budget CPU for builds with a discrete card — the same twelve threads as the 10400 at a lower price.
Without an iGPU a discrete graphics card is required to POST and display anything. With one fitted the processor is identical to the 10400, which made it the volume pick for office towers with a low-profile card and for entry gaming builds of 2020–2022.
Technical specifications
| Product collection | 10th Generation Intel Core i5 Processors (Comet Lake) |
|---|---|
| Processor number / sSpec | i5-10400F / SRH3D/SRH79 |
| Total cores / threads | 6 / 12 (Hyper-Threading) |
| Base frequency | 2.9 GHz |
| Max Turbo frequency | 4.3 GHz |
| Cache | 12 MB Intel Smart Cache |
| Processor base power | 65 W |
| Socket | LGA1200 |
| Memory | 2 channels DDR4-2666, up to 128 GB |
| Max memory bandwidth | 41.6 GB/s |
| PCI Express | PCIe 3.0 |
| Integrated graphics | None — a discrete graphics card is required |
| Overclocking | Locked (no multiplier control) |
| Lithography | 14 nm |
| Max operating temperature | 100 °C |
| Chipset support | Intel 400 series (H410, B460, H470, Q470, Z490, W480) and 500 series (H510, B560, Z590) |
| Launch | Q2 2020 |
Instruction set extensions: Intel SSE4.1, SSE4.2, AVX and AVX2. Security and virtualisation: AES-NI, Intel VT-x with EPT and VT-d.
Which systems take this processor
Anything on the LGA1200 socket with an Intel 400 or 500 series chipset: H410, B460, H470, Q470, Z490, W480, H510, B560 and Z590. 10th Generation Core parts run on both chipset generations out of the box.
- Business desktops and SFF machines — Dell OptiPlex 3080 / 5080 / 7080, HP EliteDesk 800 G6 / ProDesk 600 G6, Lenovo ThinkCentre M70t / M90t. The 65 W envelope is what these chassis were designed around.
- Entry workstations — HP Z1 G6, Dell Precision 3640, Lenovo ThinkStation P340, where six cores with Hyper-Threading cover office, CAD and light simulation work.
- Micro-server and NAS builds — W480 and Q470 boards accept Core i5 parts with ECC UDIMMs, and the integrated graphics keeps the platform usable without a discrete card.
One caveat when buying a board separately: 400 series boards may need a BIOS update before they recognise a later 10th Generation stepping. Tell us the board or the machine model when you enquire and we will confirm before you order.
How it compares across the i5 line
| Processor | Cores / Threads | Base / Turbo | Cache | Power | Socket |
|---|---|---|---|---|---|
| i5-10400 | 6 / 12 | 2.90 / 4.30 GHz | 12 MB | 65 W | LGA1200 |
| i5-10400F | 6 / 12 | 2.90 / 4.30 GHz | 12 MB | 65 W | LGA1200 |
| i5-11400F | 6 / 12 | 2.60 / 4.40 GHz | 12 MB | 65 W | LGA1200 |
| i5-9400F | 6 / 6 | 2.90 / 4.10 GHz | 9 MB | 65 W | LGA1151 |
The 11400F is the Rocket Lake successor: 100 MHz more Turbo, PCIe 4.0 and notably better gaming performance on the same socket. If motherboard video is required, use the i5-10400.
How each processor is tested before it ships
- Visual inspection of the integrated heat spreader, substrate and contact pads; the sSpec laser marking (SRH3D/SRH79 on our i5-10400F stock) is verified against the Intel specification sheet.
- Burn-in on a matched diagnostic board with a pair of memory modules of the correct type for this platform.
- All populated memory channels and the primary PCIe lanes are validated, then the processor is identified in the BIOS and in the operating system.
- A sustained multi-threaded load test at full core count, with the clock and thermal readings recorded.
- Thermal paste cleaned off, final inspection, then packaging in an anti-static tray with foam — which is how it arrives to you.
Warranty and lead time
Every processor is covered by a 1-year warranty against defects in workmanship and function. If a part fails within the period we replace it or refund it, and we cover return shipping on a verified fault. Stock is held in our own warehouse and normally dispatches within three to seven working days; tracking is issued at dispatch.
Purchasing and volume enquiries
The minimum order quantity for this processor is 2 units. Price is quotation-based rather than listed, because CPU pricing moves with each incoming batch — send us the quantity you need and we will come back with a firm quote and the current lead time. Larger quantities ship from the same production batch so the sSpec and the stepping stay consistent across your order.
Get Pricing For This Part
Tell us who you are — we reply within one working day with a firm quote, stock status and lead time. Volume discounts available.
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