Intel Core i5-12400 Desktop Processor 18M Cache vs Intel® Core™ Ultra 7 Processor 270K Plus 24 cores
Updated August 2026 — The Intel Core Ultra 7 Processor 270K Plus outperforms the Intel Core i5-12400 in most aspects, making it the better choice for enthusiasts.
The Intel Core Ultra 7 Processor 270K Plus outperforms the Intel Core i5-12400 in most aspects, making it the better choice for enthusiasts.
Why Intel Core i5-12400 Desktop Processor 18M Cache is better
price
C$381.45 is more affordable than C$467.73
energy use
typically lower thermal design power
suitable for casual users
better for everyday computing tasks
Why Intel® Core™ Ultra 7 Processor 270K Plus 24 cores is better
performance
24 cores vs 6 cores
turbo frequency
5.5 GHz vs 4.4 GHz
future-proofing
supports PCIe 5.0 and DDR5
Overall score
Specifications
| Spec | Intel Core i5-12400 Desktop Processor 18M Cache | Intel® Core™ Ultra 7 Processor 270K Plus 24 cores |
|---|---|---|
| Brand | Intel | Intel |
| Cache | 18MB | N/A |
| Unlocked | No | Yes |
| DDR Support | N/A | DDR5 |
| Socket | LGA1200 | LGA1851 |
Dimension comparison
Overview of the Processors
In this comparison, we examine the Intel Core i5-12400 Desktop Processor and the Intel Core Ultra 7 Processor 270K Plus. The i5-12400 is priced at C$381.45, while the Ultra 7 is more expensive at C$467.73. Both processors are designed for different user needs, with the i5-12400 catering to mainstream users and the Ultra 7 targeting enthusiasts.
Performance Capabilities
The Intel Core Ultra 7 boasts a remarkable performance with up to 24 cores, comprising 8 performance cores and 16 efficiency cores. This configuration is particularly advantageous for demanding gaming and content creation tasks. In contrast, the Intel Core i5-12400 features 6 cores and 12 threads, which, although capable, may not match the multitasking prowess of the Ultra 7. The Ultra 7 also benefits from an impressive max turbo frequency of 5.5 GHz, significantly higher than the i5-12400's max turbo frequency of 4.4 GHz.
Turbo Frequencies
Turbo frequency is a crucial factor in determining a processor's ability to handle intensive tasks. The Intel Core Ultra 7's max turbo frequency of 5.5 GHz offers superior responsiveness and performance, making it well-suited for high-performance gaming and multitasking scenarios. The Intel Core i5-12400, while still competent, has a lower max turbo frequency of 4.4 GHz. This difference can affect real-time processing speed, particularly in applications that demand high clock speeds.
Core Architecture and Design
The architecture of a CPU significantly influences its overall performance. The Intel Core Ultra 7 features a high-performance core configuration designed for enthusiasts, consisting of 8 performance cores and 16 efficiency cores. This allows for efficient handling of various workloads, ensuring that users experience smooth performance even under heavy loads. Meanwhile, the Intel Core i5-12400, with its simpler 6-core design, is more suited for everyday computing tasks and moderate gaming.
Compatibility and Future-Proofing
When considering future upgrades, compatibility with motherboards is critical. The Intel Core Ultra 7 is designed for the next-generation platform, supporting Intel 800 Series Chipset-based motherboards and enabling PCIe 5.0 and DDR5 memory with speeds up to 7200 MT/s. This positions the Ultra 7 as a more future-proof option in comparison to the i5-12400, which does not mention support for these advanced features. For users looking to invest in long-term performance, the Ultra 7 presents a compelling advantage.
Power Consumption and Thermal Design
Power consumption is another important factor to consider when comparing these processors. The Intel Core Ultra 7 has a base power rating of 125W, with a max turbo power of 250W. This robust thermal design allows the processor to sustain high-intensity tasks effectively. The Intel Core i5-12400, while not explicitly listed, typically operates at a lower thermal design power, making it more suitable for energy-conscious users. However, those seeking peak performance might find the Ultra 7's power capabilities more aligned with their needs.
Overclocking Potential
For enthusiasts and power users, overclocking potential can be a deciding factor. The Intel Core Ultra 7 is unlocked for performance tuning when paired with Intel Z-series chipsets, making it ideal for users who wish to push their systems further. The Intel Core i5-12400, while offering decent performance, does not emphasize overclocking capabilities, positioning it as a more straightforward option for users who may not require advanced tuning.
Which should you buy?
Ultimately, the choice between the Intel Core i5-12400 and the Intel Core Ultra 7 Processor 270K Plus depends on your specific needs and budget. If you are an everyday user or a casual gamer looking for solid performance at a more affordable price of C$381.45, the Intel Core i5-12400 is a suitable choice. However, if you are an enthusiast seeking high performance for gaming or content creation, and are willing to invest C$467.73, the Intel Core Ultra 7 offers superior capabilities, future-proofing, and advanced features that justify the higher price.
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