Intel Core Ultra 5 245K 5.2 GHz

Intel BX80768245K | Arrow Lake Core Ultra 5 Processor

The Intel Core Ultra 5 245K (4.2 GHz / 5.2 GHz) is built for UK gamers and creators who need strong multi-core performance. This processor uses the new Arrow Lake architecture to handle demanding games and creative workloads. It features a Neural Processing Unit (NPU) to accelerate AI tasks, making it ideal for modern desktop builds.

Slim Specs Table

AI-Ready Performance for Gaming and Streaming

This processor is designed for modern workloads. Because it includes an NPU, it handles AI-accelerated background suppression and audio optimisation. This frees up the main cores for gaming and streaming. In practice, you get smoother frame rates and clearer calls.

The Core Ultra 5 245K features 14 cores. It uses 6 Performance-cores for heavy tasks and 8 Efficient-cores for background processes. This hybrid design improves multitasking without wasting energy. You can stream gameplay while running Discord and browser tabs without lag.

High Clock Speeds and Overclocking Headroom

The processor runs at a base frequency of 4.2 GHz. It can boost up to 5.2 GHz in Turbo mode for short bursts of speed. This ensures responsive performance in fast-paced games and quick rendering times.

Because the “K” series SKU is unlocked, you can overclock the CPU. This allows enthusiasts to push performance beyond stock settings. However, overclocking requires a compatible Z890 motherboard and adequate cooling, which are not included.

Memory and Cache Architecture

The Intel Core Ultra 5 245K (4.2 GHz / 5.2 GHz) supports fast DDR5 memory. It officially handles DDR5 6400 MHz via a dual-channel controller. This high bandwidth reduces bottlenecks in gaming and data-heavy applications.

It also features a large cache hierarchy. With 24 MB of L3 cache and 26 MB of L2 cache, data is readily available for the cores. This reduces the time the CPU waits for information, improving overall system responsiveness.

Integrated Graphics and Connectivity

This processor includes integrated Intel Graphics. This is useful for troubleshooting or basic display output if a discrete GPU is not yet installed. Note that it is not intended for high-end gaming without a dedicated graphics card.

The platform supports PCI-E 5.0 for next-generation storage and graphics cards. This provides ample bandwidth for future upgrades. Always verify your motherboard’s specific PCI-E slot configuration before purchase.

Box contents

• Intel Core Ultra 5 245K Processor
• No fan or cooler included

Check before you buy

• Confirm you have an LGA 1851 motherboard (e.g., Z890, B860, H810).
• Verify you have a separate CPU cooler; none is supplied with this box version.
• Check your case clearance for the cooler you plan to install.
• Confirm your power supply can handle the 159 W max turbo power if overclocking.

Frequently Asked Questions

Q: Does this processor come with a cooler?

A: No, this boxed version does not include a fan or heatsink. You must purchase a compatible LGA 1851 cooler separately.

Q: Is this processor good for 4K gaming?

A: Yes, it provides strong performance. However, 4K gaming depends mostly on your dedicated graphics card.

Q: What memory type does it support?

A: It supports DDR5 memory only, with official speeds up to DDR5 6400 MHz in dual channel.

Q: Do I need a specific motherboard?

A: Yes, you need a motherboard with the Intel 1851 socket, such as Z890, B860, or H810 chipsets.

Q: Is the processor unlocked for overclocking?

A: Yes, the multiplier is unlocked. You can overclock it with a compatible Z-series motherboard and adequate cooling.

The Consultant’s verdict & warranty

This processor is a solid choice for UK gamers and content creators building a new mid-range to high-end desktop. It balances core count and high clock speeds for smooth multitasking and AI-accelerated workflows. It is best paired with a DDR5 motherboard and a dedicated graphics card.

Covered by the standard Manufacturer Warranty. The seller provides a 2-year commercial warranty; legal warranty rights apply under UK consumer law.