Intel Core Ultra 9 Desktop Processor 285K - 24 vs Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz
Updated August 2026 — Intel Core Ultra 9 Desktop Processor 285K - 24 wins on performance and cache, Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz wins on price and power.
The Intel Core Ultra 9 offers superior performance for demanding tasks, while the i5-14400 is a more budget-friendly option for everyday use.
Why Intel Core Ultra 9 Desktop Processor 285K - 24 is better
Performance
Ultra 9 has 24 cores vs i5-14400's 10 cores
Speed
Ultra 9 reaches up to 5.7 GHz vs i5-14400's 4.7 GHz
Cache
Ultra 9 has 40 MB cache vs i5-14400's 20 MB cache
Why Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz is better
Price
i5-14400 is $264.99, about 53% cheaper
Power Consumption
i5-14400 has a base power of 65W vs Ultra 9's 125W
Thermal Solution
i5-14400 includes Intel Laminar RM1 cooler
Overall score
Specifications
| Spec | Intel Core Ultra 9 Desktop Processor 285K - 24 | Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz |
|---|---|---|
| Cores | 24 (8 P + 16 E) | 10 (6 P + 4 E) |
| Threads | 24 | 16 |
| Max Speed | 5.7 GHz | 4.7 GHz |
| Cache | 40 MB | 20 MB |
| Base Power | 125W | 65W |
| PCIe Support | 5.0 & 4.0 | 5.0 & 4.0 |
Dimension comparison
Overview of the Processors
In this comparison, we examine the Intel Core Ultra 9 Desktop Processor 285K, which boasts 24 cores, against the Intel Core i5-14400 Desktop Processor, featuring 10 cores. The Intel Core Ultra 9 is priced at $557.00, while the i5-14400 is significantly lower at $264.99, making it about 53% cheaper. This price difference indicates a significant gap in their intended market segments.
Performance Capabilities
The Intel Core Ultra 9 Desktop Processor 285K offers impressive performance with its 24 cores, composed of 8 performance cores (P-cores) and 16 efficiency cores (E-cores). It can reach speeds of up to 5.7 GHz. In contrast, the Intel Core i5-14400 has 10 cores, including 6 P-cores and 4 E-cores, with a maximum frequency of 4.7 GHz. While the i5-14400 is capable enough for gaming and productivity, the Ultra 9 provides superior performance ideal for enthusiasts and demanding tasks.
Architecture and Efficiency
Both processors utilize Intel's performance hybrid architecture, optimizing workload distribution for enhanced efficiency. The Ultra 9's architecture, with its higher core count, allows for better multitasking and handling of demanding applications. The Core i5-14400, while efficient, is better suited for standard gaming and everyday use. The Ultra 9’s ability to handle more simultaneous processes positions it as the better choice for high-performance scenarios.
Cache and Memory Support
The Intel Core Ultra 9 comes with a substantial 40 MB cache, which aids in reducing data access times and enhances overall performance. The Core i5-14400, while still competent, has a smaller 20 MB cache. Both processors support PCIe 5.0 and 4.0, along with DDR5 memory, ensuring compatibility with the latest technologies. However, the larger cache of the Ultra 9 is a notable advantage for performance-intensive applications.
Thermal Solutions and Power Consumption
The Intel Core Ultra 9 has a base power rating of 125W, which indicates a need for more robust cooling solutions to maintain optimal performance. On the other hand, the Intel Core i5-14400 has a lower base power consumption of 65W and includes the Intel Laminar RM1 cooler in the box. This lower power requirement makes the i5-14400 a more practical option for users concerned about energy efficiency and heat management.
Compatibility with Motherboards
The Ultra 9 is compatible with Intel 800 series chipset-based motherboards, while the i5-14400 can work with both the Intel 600-series and 700-series chipsets (with potential BIOS updates). This broader compatibility for the i5-14400 means that it can be easier to integrate into existing setups, especially for users who may not want to invest in a new motherboard.
Target Audience
The Intel Core Ultra 9 is designed for enthusiasts who require extreme performance for gaming, content creation, and other demanding applications. Its higher price point reflects this target demographic. In contrast, the Intel Core i5-14400 is aimed at mainstream users who want a balance of performance and price, making it an attractive option for casual gamers and everyday users. This distinct target audience further underscores the differences in their intended uses.
Which should you buy?
Choosing between the Intel Core Ultra 9 Desktop Processor 285K and the Intel Core i5-14400 ultimately depends on your specific needs and budget. If you require top-tier performance for intensive tasks and are willing to pay a premium for it, the Ultra 9 is the clear choice. However, if you are looking for a cost-effective solution that still delivers solid performance for gaming and general productivity, the i5-14400 is a more sensible option at $264.99, making it about 53% cheaper than the Ultra 9.

