# Intel Core i5-11400F Desktop CPU: Intel Also called intel core i5-11400f, core i5-11400f, i5-11400f, core-i5-11400f Intel, Desktop CPU, Rocket Lake Intel Core i5 desktop processor on Rocket Lake, with 6 cores and 12 threads and 512 KB L2, 12 MB L3 at 65 W TDP on a 14 nm process addressing up to 128 GB and no integrated graphics. ## What you need to know Intel Core i5-11400F is a aging desktop cpu. Intel Core i5-11400F launched in January 1, 2021., It has 6 cores and 12 threads on Rocket Lake, dropping into the FCLGA1200 socket. Treat the spec table as the facts. Age alone does not tell you to throw it out. - **Still good?**: Yes, for lighter work **Product age**: 5 years old **Upgrade pressure**: Low to moderate Feex says This SKU has no picture of its own. If the machine has no discrete GPU, a black screen after install is expected, not a dead CPU. ## What this hardware means today Age and usefulness are not the same number. This page keeps them separate. - **Performance today**: **Good.** Good for the class when RAM, storage, and the GPU keep up. **Product age 5 years old**: **Aging.** Launched January 1, 2021. Newer platforms exist. That does not make this chip unusable by itself. **Support status **: **Supported.** Current Windows and current applications still run on this class of CPU. Platform BIOS support depends on the motherboard or laptop vendor. **Upgrade pressure **: **Low to moderate.** Upgrade pressure comes from platform features and specific CPU-bound work, not from the chip being unusable. ## Where does it sit? Rocket Lake sits on Intel's recent Core timeline. Later desktop branding moved toward Core Ultra. 11th Gen 12th Gen 13th Gen 14th Gen Core Ultra ## Performance context These are qualitative readings, not a fake 8.7 out of 10. Workload still wins. ### Gaming: Good Playable in lighter titles. A weak GPU will hide whatever this chip still has. ### Productivity: Good 6 cores cover office, browser, and compile work in this class. ### Multithreaded workloads: Good 12 threads. Heavy encodes still scale further on higher-core parts. ### General use: Excellent Everyday Windows use is not where most people notice this SKU first. ### Efficiency: Good Rated 65 W base power. That is a platform number, not a promise about your cooler. ## Should you upgrade? Probably not based on CPU performance alone. ### Upgrade makes more sense if - Your workload is strongly CPU limited - You need a newer platform for memory, I/O, or chipset features - You need substantially more multicore performance - You need newer connectivity that your current board cannot offer ### Upgrade makes less sense if - The GPU is the real bottleneck - Current applications are already responsive - The CPU rarely limits your workload ## Specifications Figures below follow the Feex Hardware Database record for this SKU. Fields without a recorded value are omitted. ### Processor Intel Core i5-11400F is built on Rocket Lake using a 14 nm process. | Manufacturer | Intel | | --------------------- | ---------------------------------------- | | Family | Core i5 | | Architecture | Rocket Lake | | Generation | 11th Generation Intel Core i5 Processors | | Manufacturing process | 14 nm | | Segment | Desktop | ### Cores and threads Intel Core i5-11400F has 6 cores and 12 threads. | Cores | 6 | | ------- | -- | | P-cores | 6 | | Threads | 12 | ### Clock speeds Base clock is 2.6 GHz. Boost reaches 4.4 GHz. | Base frequency | 2.6 GHz | | -------------- | ------- | | Max boost | 4.4 GHz | ### Cache Cache on this sheet is 12 MB L3. | L2 cache | 512 KB | | ----------- | ------- | | L3 cache | 12 MB | | Total cache | 12.5 MB | ### Memory Intel Core i5-11400F addresses 128 GB across 2 memory channels. | Supported types | DDR4 | | --------------- | ------ | | Max capacity | 128 GB | | Channels | 2 | ### Package and power Intel Core i5-11400F uses the FCLGA1200 socket and a 65 W TDP. | Socket | FCLGA1200 | | ------ | ---------------------- | | TDP | 65 W | | PCIe | Revision 4.0, 20 lanes | ### Integrated graphics Intel Core i5-11400F does not include integrated graphics. | Integrated graphics | None | | ------------------- | ---- | ### Market Intel Core i5-11400F launched January 1, 2021 at USD 173 (suggested price at launch). | Launch date | January 1, 2021 | | ----------- | ----------------------------------- | | Launch MSRP | USD 173 (suggested price at launch) | | Model | i5-11400F | ### Features Intel Core i5-11400F records 14 instruction sets on this sheet. | Instruction sets | AES-NIAVX-512AVX2AVXFMASHAx86-64-v464-bit (x86-64)RDRANDRDSEEDSSE4.1SSE4.2x86-64-v3x86-64-v2 | | ---------------- | -------------------------------------------------------------------------------------------- | | Security | Control-flow Enforcement (CET)Execute Disable (NX)Boot GuardHardware RNGOS GuardSGX | | Virtualization | Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization) | | AI acceleration | Gaussian Neural Accelerator | ## Compatibility | Socket | FCLGA1200 | | -------- | ------------------------------------------------------------------------------------------------- | | Board | A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision. | | Memory | DDR4, up to 128 GB | | Graphics | Requires a discrete GPU. This SKU has no iGPU. | A shared socket is not automatic compatibility. Boards often need a BIOS update before a newer chip in the same socket will post. Cooler clearance, VRM quality, and power limits matter as much as the socket name. Do not expect a display from the motherboard video ports. This SKU has no integrated graphics. ### No display after install This SKU has no integrated graphics. A machine with no discrete GPU will not show a picture. That is expected, not a dead CPU. ## Related These entities connect to this article. Type is shown on every link. [Processors: Hardware](https://feex.it/wiki/hardware/cpu) ## Sources and verification Reviewed by Feex editorial. Last verified August 2026 Status: Partially Verified. [How we research](https://feex.it/wiki/research). - [Feex Hardware Database ](https://foxhole.feex.it/cpu/intel-core-i5-11400f)ยท Specification source used for this sheet. CC BY 4.0. ## Was this article useful? A yes or no is enough. Pick a reason if you want, or add a short note. Quick facts The short identity of this page. Specs, sources, and the full story stay in the article. - **Manufacturer**: Intel **Family**: Core i5 **Architecture**: Rocket Lake **Socket**: FCLGA1200 **Launch**: 2021 **Status**: Aging Partially Verified: Last verified August 2026 --- Source: [Canonical Feex Wiki page](https://feex.it/wiki/hardware/cpu/intel-core-i5-11400f/) [Developer guide](https://feex.it/wiki/developers/) | [API policy](https://feex.it/developers/api-policy/) | [Agent guidance](https://feex.it/wiki/llms.txt)