Intel Core Ultra 5 245KF
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About This Item
- Intel Core Ultra 5 245KF processor model with 14 cores and 14 threads
- Up to 5.2 GHz turbo frequency with 3 nm Arrow-Lake architecture
- 24 MB L3 and 26 MB L2 cache with DDR5 6400 MHz memory support
- Unlocked multiplier for overclocking on Intel Z890, B860, H810 chipsets
- AI Ready with NPU support for streaming and content creation tasks
- Desktop form factor with no integrated graphics, requires discrete GPU
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Intel BX80768245KF | Arrow Lake Performance Core
The Intel Core Ultra 5 245KF (4.2 GHz / 5.2 GHz) is a high-performance desktop processor built for demanding UK gamers and creators. It targets users who require strong multitasking capabilities and AI-ready features. This chip delivers a balanced mix of speed and efficiency for modern computing tasks.
Intel Core Ultra 5 245KF (4.2 GHz / 5.2 GHz)
This processor features a robust architecture designed for the next generation of PC gaming. It utilises a hybrid core design to handle heavy workloads effectively. Because it is “K” series, it supports overclocking for enthusiasts.
Slim Specifications
| Metric | Spec. |
|---|---|
| Base/Boost Clock | 4.2 GHz / 5.2 GHz |
| Cores / Threads | 14 Cores / 14 Threads |
| L3 Cache | 24 MB |
| TDP | 125 W |
| Memory Support | DDR5 6400 MHz |
Hybrid Core Architecture for Gaming
This processor uses a hybrid architecture with 6 Performance-cores and 8 Efficient-cores. The Performance-cores handle intensive gaming and creative tasks. The Efficient-cores manage background processes to save energy. So, you get high frame rates without wasting power.
AI Ready for Modern Workloads
The Intel Core Ultra series is AI Ready. It supports the Neural Processing Unit (NPU) for local AI acceleration. This helps with tasks like background suppression and audio optimisation during streams. In practice, this means smoother broadcasts and smarter system management.
Unlocked for Overclocking
The “KF” designation means this chip has an unlocked multiplier. You can push the frequency beyond the standard 5.2 GHz boost. This requires a compatible Z890 motherboard and adequate cooling. However, always verify your cooling solution is sufficient for the 125 W TDP.
DDR5 and PCIe 5.0 Support
This processor supports DDR5 memory with a speed of up to 6400 MHz. This provides higher bandwidth for gaming and file transfers. It also supports PCIe 5.0 for the latest graphics cards and storage devices. So, your system is ready for future hardware upgrades.
Efficient Power Management
With a base TDP of 125 W, this CPU balances performance and energy use. The max turbo power is 159 W under heavy load. This efficiency helps maintain stable temperatures in well-ventilated UK cases. However, you must verify your power supply can handle the load.
Box contents
- Intel Core Ultra 5 245KF Processor
- No fan supplied
Check before you buy
- Confirm you have an Intel 1851 socket motherboard (e.g., Z890, B860, H810).
- Confirm you have a dedicated graphics card, as this CPU has no integrated graphics.
- Confirm your memory is DDR5, as this processor does not support DDR4.
- Confirm your cooling solution is adequate for the 125 W TDP and overclocking potential.
Frequently Asked Questions
Q: Does the Intel Core Ultra 5 245KF come with a cooler?
A: No, this Box version does not include a supplied fan. You must purchase a compatible CPU cooler separately.
Q: Is this processor good for 4K gaming?
A: Yes, it is suitable for 4K gaming when paired with a high-end dedicated graphics card.
Q: Do I need a new motherboard for this CPU?
A: Yes, you need a motherboard with the Intel 1851 socket, such as the Z890 chipset.
Q: Can I use DDR4 memory with this processor?
A: No, the Intel Core Ultra 5 245KF exclusively supports DDR5 memory.
Q: Is this processor unlocked for overclocking?
A: Yes, the “K” in the model name indicates an unlocked multiplier for overclocking.
The Consultant’s verdict & warranty
This processor is ideal for UK gamers and content creators building a new, AI-ready PC. It offers strong performance with overclocking potential and future-proof DDR5 support. However, remember you must buy a cooler and a compatible motherboard separately. Covered by the standard Manufacturer Warranty.
| Weight | 0.1 kg |
|---|---|
| Processor generation | Intel Core Ultra (Series 2) |
| Processor manufacturer | Intel |
| Cooler included | No |
| Processor codename | Arrow Lake |
| Processor cache | 24 MB |
| Processor model | 245KF |
| Processor operating modes | 64-bit |
| Processor boost frequency | 5.2 GHz |
| Stepping | B0 |
| Processor family | Intel Core Ultra 5 |
| Processor cores | 14 |
| Processor socket | LGA 1851 (Socket V1) |
| Performance cores | 6 |
| Efficient cores | 8 |
| Performance-core boost frequency | 5.2 GHz |
| Performance-core base frequency | 4.2 GHz |
| Efficient-core boost frequency | 4.6 GHz |
| Efficient-core base frequency | 3.6 GHz |
| Processor base power | 125 W |
| Maximum turbo power | 159 W |
| Maximum number of DMI lanes | 8 |
| AI software frameworks supported by CPU | DirectML, OpenVINO, Windows ML, ONNX RT, WebNN |
| Neural processor unit NPU | Intel AI Boost |
| Sparsity support | Yes |
| Windows Studio effects support | Yes |
| AI software frameworks supported by NPU | DirectML, OpenVINO, Windows ML, ONNX RT, WebNN |
| Total processor performance up to | 22 TOPs |
| NPU performance up to | 13 TOPs |
| Maximum internal memory supported by processor | 192 GB |
| Memory types supported by processor | DDR5-SDRAM |
| Memory clock speeds supported by processor | 6400 MHz |
| Memory channels | Dual-channel |
| Discrete graphics card | No |
| On-board graphics card model | Not available |
| On-board graphics card | No |
| Discrete graphics card model | Not available |
| Status | Launched |
| Launch date | Q4’24 |
| Processor cache type | Smart Cache |
| Memory speed max | 6400 MHz |
| Maximum number of PCI Express lanes | 24 |
| Processor ARK ID | 241066 |
| Thermal solution specification | PCG 2020A |
| Thermal Monitoring Technologies | Yes |
| Idle States | Yes |
| Execute Disable Bit | Yes |
| PCI Express slots version | 4.0, 5.0 |
| Supported instruction sets | AVX 2.0, SSE4.1, SSE4.2 |
| Scalability | 1S |
| Embedded options available | No |
| Market segment | Desktop |
| Export Control Classification Number ECCN | 5A992C |
| Commodity Classification Automated Tracking System CCATS | 740.17B1 |
| Use conditions | PC/Client/Tablet |
| Direct Media Interface DMI Revision | 4.0 |
| Intel Virtualization Technology for Directed I/O VT-d | Yes |
| Intel 64 | Yes |
| Intel Speed Shift Technology | Yes |
| Intel OS Guard | Yes |
| Intel Secure Key | Yes |
| Intel Turbo Boost Technology | 2.0 |
| Intel Trusted Execution Technology | Yes |
| Intel AES New Instructions Intel AES-NI | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel VT-x with Extended Page Tables EPT | 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 Thunderbolt 4 | Yes |
| Intel Control-flow Enforcement Technology CET | Yes |
| Intel Thread Director | Yes |
| Intel Standard Manageability ISM | Yes |
| Maximum operating temperature | 105 °C |
| Package type | Box |
| Harmonized System HS code | 8542310050 |
| Maximum internal memory | 192 GB |
| L2 cache | 26624 KB |
| Distributor SKUs | BX80768245KFSRQCY, 10447252, 536273, CL50016, STD10220014, PRINT-U5-245KF, 10454567, 2180771, 126007, 1974011, 19342181000 |

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