Intel Core i5-12400 18MB Smart Cache Box
£199.76 inc VAT
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About This Item
- 12th Gen Intel Core i5-12400 processor with 6 cores, 12 threads, and 18 MB Smart Cache
- Base frequency 2.5 GHz, boost up to 4.4 GHz with Intel Turbo Boost Technology 2.0
- LGA 1700 socket, supports DDR4/DDR5 dual-channel memory up to 128 GB
- Integrated Intel UHD Graphics 730 with 24 execution units, DisplayPort 1.4a, HDMI 2.1
- 65 W base power, 117 W turbo power, includes cooler, desktop gaming target
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Intel Core i5-12400 | 6-Core 12-Thread Alder Lake CPU
The Intel Core i5-12400 processor delivers 6 cores and 12 threads with a 2.5 GHz base clock and 4.4 GHz boost, making it a strong choice for gamers and creators seeking balanced performance in a 65 W package.
| Metric | Spec |
|---|---|
| Cores / Threads | 6 / 12 |
| Base / Boost Clock | 2.5 GHz / 4.4 GHz |
| Cache | 18 MB Smart Cache |
| Socket | LGA 1700 |
| Memory Support | DDR4/DDR5, Dual-Channel |
Performance that scales with your workload
The 12th Gen Intel Core architecture uses a hybrid design with Performance-cores (P-cores) clocked up to 4.4 GHz, delivering responsive single-thread speeds for gaming and fast application launches. The 12 threads allow smooth multitasking when streaming or running background tasks.
Built-in graphics for flexible builds
With Intel UHD Graphics 730 and support for up to four displays, this CPU is ready for compact builds or systems without a dedicated GPU. It handles 4K@60 Hz via HDMI and 8K@60 Hz via DisplayPort, making it suitable for home theatre or office setups.
Memory and PCIe flexibility
The i5-12400 supports both DDR4 and DDR5 memory, with dual-channel bandwidth up to 76. 8 GB/s. It offers 20 PCIe lanes (PCIe 5. 0 x16 + PCIe 4. 0 x4), providing headroom for fast NVMe storage and future GPU upgrades.
Efficient cooling included
A boxed cooler (PCG 2020C) is bundled, rated for the 65 W base power and 117 W turbo power. This means quieter operation and lower system build costs compared to requiring an aftermarket cooler.
Box contents
- Intel Core i5-12400 processor
- Intel boxed cooler (PCG 2020C)
- User documentation
Check before you buy
- Confirm your motherboard has an LGA 1700 socket and compatible BIOS.
- Verify your memory type (DDR4 or DDR5) and speed limits.
- Check case clearance if using a large aftermarket cooler.
- Ensure your PSU can support the 117 W turbo power draw under load.
Frequently Asked Questions
Q: Does the i5-12400 include a cooler?
A: Yes, it ships with the Intel boxed cooler (PCG 2020C).
Q: Can I use DDR5 memory with this CPU?
A: Yes, it supports both DDR4 and DDR5 memory types.
Q: What is the maximum supported memory?
A: Up to 128 GB of dual-channel memory.
Q: Is this CPU unlocked for overclocking?
A: No, it is a locked processor and cannot be overclocked.
Q: What generation is this processor?
A: It is a 12th Gen Intel Core (Alder Lake) processor.
The Consultant’s verdict & warranty
The Intel Core i5-12400 is ideal for gamers and mainstream users wanting strong single-thread performance, efficient multitasking, and built-in graphics without the need for a dedicated GPU. It balances power and value in a modern LGA 1700 platform. Covered by the standard Manufacturer Warranty.
| Processor | |
|---|---|
| Processor generation | 12th gen Intel® Core™ i5 |
| Processor manufacturer | Intel |
| Cooler included | Yes |
| Processor codename | Alder Lake |
| Memory bandwidth supported by processor (max) | 76.8 GB/s |
| Processor cache | 18 MB |
| Processor ARK ID | 134586 |
| Processor model | i5-12400 |
| Processor threads | 12 |
| Processor operating modes | 64-bit |
| Processor boost frequency | 4.4 GHz |
| Bus type | DMI4 |
| Processor family | Intel® Core™ i5 |
| Processor cores | 6 |
| Processor socket | LGA 1700 |
| Processor cache type | Smart Cache |
| Package type | Box |
| Performance cores | 6 |
| Performance-core boost frequency | 4.4 GHz |
| Performance-core base frequency | 2.5 GHz |
| Processor base power | 65 W |
| Maximum turbo power | 117 W |
| Maximum number of DMI lanes | 8 |
| Memory | |
| Maximum internal memory supported by processor | 128 GB |
| Memory types supported by processor | DDR4-SDRAM, DDR5-SDRAM |
| Memory bandwidth supported by processor (max) | 76.8 GB/s |
| Memory channels | Dual-channel |
| Memory bandwidth (max) | 76.8 GB/s |
| Non-ECC | Yes |
| Graphics | |
| Discrete graphics card | No |
| On-board graphics card outputs supported | Embedded DisplayPort (eDP), Embedded DisplayPort (eDP) 1.4b, DisplayPort 1.4a, DisplayPort 1.4, HDMI 2.1 |
| On-board graphics card maximum resolution (DisplayPort) | 7680 x 4320 pixels |
| Number of execution units | 24 |
| On-board graphics card ID | 0x4692 / 0x4682 |
| On-board graphics card maximum resolution (eDP - Integrated Flat Panel) | 5120 x 3200 pixels |
| On-board graphics card refresh rate at maximum resolution (HDMI) | 60 Hz |
| On-board graphics card refresh rate at maximum resolution (DisplayPort) | 60 Hz |
| On-board graphics card refresh rate at maximum resolution (eDP - Integrated Flat Panel) | 120 Hz |
| Number of displays supported (on-board graphics) | 4 |
| On-board graphics card maximum resolution (HDMI) | 4096 x 2160 pixels |
| On-board graphics card DirectX version | 12.0 |
| On-board graphics card OpenGL version | 4.5 |
| On-board graphics card model | Intel UHD Graphics 730 |
| On-board graphics card | Yes |
| On-board graphics card dynamic frequency (max) | 1.45 MHz |
| On-board graphics card base frequency | 300 MHz |
| Discrete graphics card model | Not available |
| Multi-Format Codec Engines | 1 |
| Technical details | |
| Thermal solution specification | PCG 2020C |
| Intel® Secure Key | Yes |
| Thermal Monitoring Technologies | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Clear Video HD Technology (Intel® CVT HD) | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Idle States | Yes |
| Execute Disable Bit | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| PCI Express slots version | 5.0, 4.0 |
| PCI Express configurations | 1x16+1x4, 2x8+1x4 |
| Supported instruction sets | SSE4.1, SSE4.2, AVX 2.0 |
| Scalability | 1S |
| L2 cache | 7680 KB |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Enhanced Halt State | Yes |
| Embedded options available | Yes |
| CPU configuration (max) | 1 |
| Graphics output | eDP 1.4b, DP 1.4a, HDMI 2.1 |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel 64 | Yes |
| Status | Launched |
| OpenGL support | Yes |
| Market segment | Desktop |
| Launch date | Q1'22 |
| Intel Virtualization Technology (VT-x) | Yes |
| Processor cache type | Smart Cache |
| OpenCL version | 3.0 |
| Target market | Gaming |
| Features | |
| On-board graphics card ID | 0x4692 / 0x4682 |
| Maximum number of PCI Express lanes | 20 |
| Processor package size | 45 x 37.5 mm |
| Processor ARK ID | 134586 |
| Thermal solution specification | PCG 2020C |
| Thermal Monitoring Technologies | Yes |
| Idle States | Yes |
| Execute Disable Bit | Yes |
| PCI Express slots version | 5.0, 4.0 |
| PCI Express configurations | 1x16+1x4, 2x8+1x4 |
| Supported instruction sets | SSE4.1, SSE4.2, AVX 2.0 |
| Scalability | 1S |
| Embedded options available | Yes |
| CPU configuration (max) | 1 |
| Market segment | Desktop |
| Harmonized System (HS) code | 85423119 |
| Export Control Classification Number (ECCN) | 5A992.C |
| Commodity Classification Automated Tracking System (CCATS) | G167599 |
| Use conditions | PC/Client/Tablet |
| Direct Media Interface (DMI) Revision | 4.0 |
| Processor special features | |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel 64 | Yes |
| Intel Turbo Boost Max Technology 3.0 | No |
| Intel® Speed Shift Technology | Yes |
| Intel® Optane™ Memory Ready | Yes |
| Intel® OS Guard | Yes |
| Intel® Secure Key | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Clear Video HD Technology (Intel® CVT HD) | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Enhanced Halt State | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel® Boot Guard | Yes |
| Intel® Volume Management Device (VMD) | Yes |
| Intel® Deep Learning Boost (Intel® DL Boost) on CPU | Yes |
| Mode-based Execute Control (MBE) | Yes |
| Intel® Control-flow Enforcement Technology (CET) | Yes |
| Intel® Thread Director | No |
| Intel® Gaussian & Neural Accelerator (Intel® GNA) 3.0 | Yes |
| Intel® Threat Detection Technology (TDT) | Yes |
| Intel® Standard Manageability (ISM) | Yes |
| Operational conditions | |
| Tjunction | 100 °C |
| Maximum operating temperature | 100 °C |
| Packaging data | |
| Package type | Box |
| Logistics data | |
| Harmonized System (HS) code | 85423119 |
| Weight & dimensions | |
| Processor package size | 45 x 37.5 mm |
| Other features | |
| Maximum internal memory | 128 GB |
| L2 cache | 7680 KB |
| CPU configuration (max) | 1 |
| Graphics output | eDP 1.4b, DP 1.4a, HDMI 2.1 |
| Identifiers | |
| Additional EANs | 0675901985833 |
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