Intel Core i5-12400 Desktop Processor 18M Cache, vs Intel Core Ultra 5 Desktop Processor 245KF - 14
Updated August 2026 — Intel Core i5-12400 Desktop Processor 18M Cache, wins on graphics and power, Intel Core Ultra 5 Desktop Processor 245KF - 14 wins on performance and price.
The Intel Core Ultra 5 offers better performance and value for gamers, while the i5-12400 is more versatile for everyday use.
Why Intel Core i5-12400 Desktop Processor 18M Cache, is better
Integrated Graphics
i5-12400 includes Intel UHD Graphics 730.
Lower Power
i5-12400 has a base power of 65W.
Price
i5-12400 is priced higher but offers integrated graphics.
Why Intel Core Ultra 5 Desktop Processor 245KF - 14 is better
Higher Clock Speed
Ultra 5 boosts up to 5.2 GHz.
More Cores
Ultra 5 has 14 cores compared to i5-12400's 6.
Larger Cache
Ultra 5 features a 26 MB cache.
Overall score
Specifications
| Spec | Intel Core i5-12400 Desktop Processor 18M Cache, | Intel Core Ultra 5 Desktop Processor 245KF - 14 |
|---|---|---|
| Base Clock | 2.50 GHz | N/A |
| Boost Clock | 4.40 GHz | 5.20 GHz |
| Cores | 6 | 14 |
| Cache Size | 18 MB | 26 MB |
| Power Rating | 65W | 125W |
Dimension comparison
Overview of the Processors
The Intel Core i5-12400 Desktop Processor is priced at $214.99, while the Intel Core Ultra 5 Desktop Processor 245KF is about 17% cheaper at $169.99. Both processors cater to different user needs, with variations in their core configurations and performance capabilities. Understanding these differences can help potential buyers make a more informed decision based on their specific requirements.
Performance Capabilities
The Intel Core i5-12400 features a base clock speed of 2.50 GHz, capable of boosting up to 4.40 GHz, making it well-suited for demanding applications. In comparison, the Intel Core Ultra 5 boasts a higher maximum clock speed of 5.2 GHz, thanks to its performance hybrid architecture that integrates six performance cores and eight efficient cores. This architecture allows the Ultra 5 to prioritize workloads effectively, which enhances its performance in multitasking scenarios and gaming.
Cache and Memory Support
When it comes to cache size, the Intel Core i5-12400 has an 18 MB L3 cache, which aids in managing routine data efficiently. On the other hand, the Intel Core Ultra 5 offers a larger 26 MB cache, potentially providing better performance for data-intensive applications. Both processors support PCIe 5.0 and 4.0, as well as DDR5 memory, ensuring compatibility with the latest hardware and future-proofing user systems.
Graphics Capabilities
The Intel Core i5-12400 includes an integrated Intel UHD Graphics 730 controller, which allows users to connect up to four monitors and provides decent performance for light gaming and multimedia. However, the Intel Core Ultra 5 does not come with integrated graphics, requiring a discrete graphics card for visual output. This difference makes the i5-12400 more versatile for users who may not want to invest in a dedicated GPU immediately.
Thermal Management and Power Consumption
In terms of power consumption, the Intel Core i5-12400 has a base power rating of 65W, making it a more power-efficient option for users who prioritize lower energy costs and heat generation. In contrast, the Intel Core Ultra 5 has a higher base power rating of 125W, which can lead to increased thermal output and may necessitate better cooling solutions in the user's setup. This distinction is crucial for those building compact or thermally challenged systems.
Target Audience
The Intel Core i5-12400 is designed for mainstream users who engage in productivity tasks, casual gaming, and everyday computing. Its integrated graphics and lower power consumption make it a solid choice for those not seeking extreme performance. Conversely, the Intel Core Ultra 5 targets gamers and professionals who require more processing power and are willing to invest in a discrete graphics solution for optimal performance in high-demand scenarios.
Pricing and Value Proposition
With the Intel Core i5-12400 priced at $214.99 and the Intel Core Ultra 5 at $169.99, the Ultra 5 presents a compelling value proposition, being about $45 less expensive. However, potential buyers must weigh this cost against their specific needs, such as whether they require integrated graphics or are looking for higher CPU performance. The price difference could significantly influence the buying decision for budget-conscious consumers.
Availability and Future Prospects
Both processors are compatible with their respective motherboard chipsets; the i5-12400 works with Intel 600 series motherboards, while the Ultra 5 is compatible with Intel 800 series chipsets. This differentiation may affect the future upgrade path for users, with the Ultra 5 potentially offering more options for advanced features and performance enhancements in the next generation of CPUs.
Which should you buy?
Choosing between the Intel Core i5-12400 and the Intel Core Ultra 5 ultimately depends on your specific needs and budget. If you value integrated graphics and lower power consumption, the i5-12400 is a solid choice. However, if you seek higher processing power and cost savings, the Ultra 5 presents a better value at $169.99. Consider your usage scenarios carefully to make the most informed decision.

