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Intel Core i5-12400 Desktop Processor 18M Cache, vs Intel® Core™ Ultra 5 Desktop Processor 225 10

Updated August 2026 — Intel Core i5-12400 Desktop Processor 18M Cache, wins on graphics, Intel® Core™ Ultra 5 Desktop Processor 225 10 wins on cores and compatibility.

The Intel Core i5-12400 offers better built-in graphics and cooling, while the Intel Core Ultra 5 provides superior multitasking capabilities and a lower price.

Why Intel Core i5-12400 Desktop Processor 18M Cache, is better

Graphics

Includes Intel UHD Graphics 730 for better visual performance.

Cooling

Comes with Intel Laminar RM1 cooling solution.

Cache

Has 18 MB of L3 cache for routine tasks.

Why Intel® Core™ Ultra 5 Desktop Processor 225 10 is better

Price

Cheaper at $179.12 compared to $214.99.

Cores

10 cores (6 P-cores + 4 E-cores) for better multitasking.

Clock Speed

Higher boost clock speed of up to 4.9 GHz.

Overall score

Intel Core i5-12400 Desktop Processor 18M Cache,
78
Intel® Core™ Ultra 5 Desktop Processor 225 10
82

Specifications

SpecIntel Core i5-12400 Desktop Processor 18M Cache,Intel® Core™ Ultra 5 Desktop Processor 225 10
Base Clock2.50 GHzUp to 4.9 GHz
Threads1214
Integrated GraphicsIntel UHD 730Intel Graphics
Cooling SolutionIncludedNot included
CompatibilityIntel 600 SeriesIntel 800 Series

Dimension comparison

Intel Core i5-12400 Desktop Processor 18M Cache,Intel® Core™ Ultra 5 Desktop Processor 225 10

Price Comparison

When it comes to pricing, the Intel® Core™ Ultra 5 Desktop Processor 225 is about 17% cheaper than the Intel Core i5-12400, retailing at $179.12 compared to $214.99. This price difference makes the Ultra 5 a more budget-friendly option for users looking to upgrade their CPUs without breaking the bank. Despite the lower price, the Ultra 5 does not skimp on performance features, making it a compelling choice for gamers and productivity users alike.

Performance Specifications

In terms of performance, the Intel Core i5-12400 has a base clock speed of 2.50 GHz and can boost up to 4.40 GHz, while the Intel® Core™ Ultra 5 can reach up to 4.9 GHz. This higher maximum clock speed indicates that the Ultra 5 could handle demanding tasks with more efficiency. However, the i5-12400 features 18 MB of L3 cache, which may provide better data processing speeds for routine tasks compared to the Ultra 5's 22 MB cache. Both processors have a base power of 65W, making them energy-efficient options for desktop builds.

Core Architecture

The Intel Core i5-12400 features a traditional 6-core architecture, while the Intel® Core™ Ultra 5 boasts a more advanced hybrid architecture with 10 cores, including 6 Performance (P) cores and 4 Efficient (E) cores. This hybrid design allows the Ultra 5 to optimize workloads by distributing tasks based on performance needs, potentially leading to better multitasking capabilities. The i5-12400, while powerful, may not match the multitasking prowess of the Ultra 5 due to its fewer cores.

Integrated Graphics

For users who prioritize graphics performance, the Intel Core i5-12400 comes with Intel UHD Graphics 730, which supports up to four monitors. This feature makes it suitable for users who engage in light gaming or need multiple displays for productivity tasks. On the other hand, the Intel® Core™ Ultra 5 also includes integrated Intel Graphics, but lacks the same specifications regarding multi-monitor support. This could be a deciding factor for those who require extensive visual setups.

Compatibility

Compatibility is essential when considering a processor upgrade. The Intel Core i5-12400 is compatible with motherboards featuring the Intel 600 Series Chipset, while the Intel® Core™ Ultra 5 requires Intel 800 Series Chipset motherboards. This difference can affect your upgrade path, especially if you already own a compatible motherboard. Users should consider their existing hardware when making a decision, as the i5-12400 may fit seamlessly into more established setups.

Cooling Solutions

The Intel Core i5-12400 includes the Intel Laminar RM1 cooling solution, ensuring that users have an adequate cooling system out of the box. In contrast, the Intel® Core™ Ultra 5 does not come with a thermal solution included, meaning users may need to invest in a separate cooling system. This additional expense could make the overall cost of the Ultra 5 higher for those who do not already own compatible cooling solutions.

User Experience and Reliability

Both processors are designed for high-performance gaming and productivity, but user experience can vary based on specific tasks. The Intel Core i5-12400 is known for its solid performance in single-threaded applications, while the Intel® Core™ Ultra 5 excels in multitasking scenarios due to its hybrid core architecture. Reliability in terms of performance and longevity is also an essential factor to consider, and both brands, Intel, have established themselves as leaders in the CPU market.

Which should you buy?

Choosing between the Intel Core i5-12400 and the Intel® Core™ Ultra 5 Desktop Processor 225 ultimately depends on your specific needs and budget. If you're looking for a cost-effective solution with a solid performance for standard tasks, the Ultra 5 at $179.12 is an excellent choice. However, if you require a processor with strong single-threaded performance, built-in graphics support, and a cooling solution included, the Intel Core i5-12400 at $214.99 may be worth the extra investment. Consider your existing hardware, intended use, and budget to make the best decision for your computing needs.