Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores vs Intel Core i5 Processor 14400
Updated August 2026 — The Intel® Core™ Ultra 5 Processor 250KF Plus outperforms the Intel Core i5 Processor 14400 in high-performance tasks, making it the better choice for enthusiasts. However, the Core i5 offers great value for everyday use.
The Intel® Core™ Ultra 5 Processor 250KF Plus outperforms the Intel Core i5 Processor 14400 in high-performance tasks, making it the better choice for enthusiasts. However, the Core i5 offers great value for everyday use.
Why Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores is better
core count
Ultra 5 has 24 cores vs i5's 10 cores
max turbo frequency
Ultra 5 reaches 5.5 GHz vs i5's 2.5 GHz
memory speed
Ultra 5 supports DDR5 up to 7200 MT/s vs unspecified for i5
Why Intel Core i5 Processor 14400 is better
price
i5 is C$299.99 vs Ultra 5's C$301.61
power consumption
i5 has a base power of 65W vs Ultra 5's 125W
mainstream appeal
i5 targets casual users vs Ultra 5's enthusiast focus
Overall score
Specifications
| Spec | Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores | Intel Core i5 Processor 14400 |
|---|---|---|
| Brand | Intel | Intel |
| Socket | LGA1851 | LGA1700 |
| Max Memory | N/A | 192 GB |
| Turbo Power | 250W | N/A |
| Unlocked | Yes | No |
Dimension comparison
Overview of the Processors
The Intel® Core™ Ultra 5 Processor 250KF Plus and the Intel Core i5 Processor 14400 are both strong contenders in the CPU market, yet they cater to different user needs. The Ultra 5 250KF is priced at C$301.61, while the Core i5 14400 is slightly less expensive at C$299.99. These processors are designed with different architectures and features, making them suitable for varied applications, from gaming to productivity tasks.
Performance Capabilities
The Ultra 5 250KF boasts a high-performance core configuration with up to 24 cores, consisting of 8 Performance-cores (P-cores) and 16 Efficient-cores (E-cores), providing robust multitasking capabilities. In contrast, the Core i5 14400 features a hybrid architecture with 10 cores, including six Performance-cores and four Efficient-cores, offering sufficient power for most mainstream applications. While both processors aim at enhancing user experience, the Ultra 5's capability to handle demanding gaming and creator tasks is superior, especially with its max turbo frequency reaching 5.5 GHz compared to the i5's base frequency of 2.5 GHz.
Thermal and Power Design
The Ultra 5 250KF has a base power of 125W and a maximum turbo power of 250W, engineered to sustain high-intensity tasks, which is essential for gamers and power users. This robust thermal design allows for enhanced performance under load. On the other hand, the Core i5 14400 runs at a lower base power of 65W. While this lower power consumption may be advantageous for energy efficiency, it may not sustain the same level of performance during intensive tasks as the Ultra 5 can.
Memory Support
Intel has designed the Ultra 5 250KF to support high-speed DDR5 memory, capable of speeds up to 7200 MT/s, which can significantly enhance performance in memory-intensive applications. This is particularly beneficial for gamers and content creators who require fast data processing speeds. In comparison, the Core i5 14400 supports a maximum memory size of 192 GB, but does not specify the memory speed capabilities as prominently as the Ultra 5. Therefore, while both processors can accommodate large amounts of RAM, the Ultra 5's emphasis on high-speed memory support offers a distinct advantage for high-performance tasks.
Platform Compatibility
The Ultra 5 250KF is compatible with Intel's 800 Series Chipset-based motherboards that feature the LGA1851 socket, which enables PCIe 5.0 and 4.0 support. This compatibility is crucial for users looking to build cutting-edge systems with the latest hardware. Conversely, the Core i5 14400 is designed for the LGA 1700 socket, fitting within the same generation but lacking the advanced PCIe support that the Ultra 5 offers. Thus, for users aiming for future-proofing in their builds, the Ultra 5 provides a more forward-thinking platform.
Target Audience
The Ultra 5 250KF is built with enthusiasts in mind, featuring an unlocked multiplier that allows for performance tuning when paired with Intel Z-series chipsets. This feature appeals to overclockers and power users wanting to extract maximum performance from their CPUs. In contrast, the Core i5 14400 is targeted more towards mainstream users who enjoy productivity, casual gaming, and content creation without the need for extensive overclocking capabilities. The pricing of both processors reflects their intended audience, with the Ultra 5 positioned as a premium option.
Gaming Performance
For gaming specifically, the Ultra 5 250KF is optimized to handle demanding titles thanks to its higher core count and turbo frequency. Gamers looking for an edge in performance would benefit from the Ultra 5's specs, especially in scenarios that require rapid processing and multitasking. The Core i5 14400, while capable of delivering solid gaming experiences, may not match the Ultra 5's prowess in high-demand gaming scenarios. Users who prioritize graphics performance should consider the Ultra 5 as the more suitable option for high-end gaming rigs.
Which should you buy?
Ultimately, the choice between the Intel® Core™ Ultra 5 Processor 250KF Plus and the Intel Core i5 Processor 14400 comes down to your specific needs and budget. If you are an enthusiast or a power user who values high performance for gaming and content creation, the Ultra 5’s advanced features and capabilities justify its higher price of C$301.61. However, if you seek a balanced processor for everyday tasks, casual gaming, and better energy efficiency, the Core i5 14400 at C$299.99 offers excellent value.
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