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Intel Core i5-10400 Desktop Processor 6 Cores up vs Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz

Updated August 2026 — Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz leads on cores and threads.

The Intel Core i5-14400 offers superior performance and features compared to the i5-10400, making it the better choice for demanding tasks.

Why Intel Core i5-10400 Desktop Processor 6 Cores up is better

Price

i5-10400 is $205.13, cheaper than i5-14400 at $264.99.

Power

Both have the same thermal design power of 65W.

Basic Tasks

i5-10400 is sufficient for basic computing and light gaming.

Why Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz is better

Cores

i5-14400 has 10 cores compared to 6 in i5-10400.

Performance

i5-14400 reaches up to 4.7 GHz, higher than i5-10400's 4.3 GHz.

Graphics

i5-14400 includes Intel UHD Graphics 730, enhancing graphics performance.

Overall score

Intel Core i5-10400 Desktop Processor 6 Cores up
75
Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz
90

Specifications

SpecIntel Core i5-10400 Desktop Processor 6 Cores upIntel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz
Cores6 Cores10 Cores
Threads12 Threads16 Threads
Max Speed4.3 GHz4.7 GHz
Cache Size12MB20MB
Socket TypeLGA 1200LGA 1700

Dimension comparison

Intel Core i5-10400 Desktop Processor 6 Cores upIntel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz

Overview of the Processors

When comparing the Intel Core i5-10400 and the Intel Core i5-14400, a clear distinction in their architectures and capabilities emerges. The Intel Core i5-10400 has 6 cores, while the i5-14400 boasts 10 cores, which includes a combination of performance (P) and efficiency (E) cores. This difference signifies a more advanced processing capability for the i5-14400, making it suitable for demanding applications.

The i5-10400 is priced at $205.13, while the i5-14400 is available for $264.99, resulting in a price difference of about 29%. The additional investment in the i5-14400 may be justified by its enhanced core count and performance features.

Performance and Core Architecture

The Intel Core i5-14400 outshines the i5-10400 in terms of performance with its hybrid architecture featuring 10 cores, which includes 6 P-cores and 4 E-cores, compared to the i5-10400's 6 cores. This architecture prioritizes tasks efficiently, ensuring that demanding workloads are handled optimally.

While the i5-10400 can reach speeds up to 4.3 GHz, the i5-14400 offers a slightly higher maximum frequency of 4.7 GHz. This performance advantage is crucial for users engaged in gaming and productivity tasks, where every bit of processing power counts.

Thermal Management Solutions

Both processors come with a thermal solution included in the box, but they utilize different cooling technologies. The Intel Core i5-10400 features a standard cooler, while the i5-14400 includes the Intel Laminar RM1 cooler, designed to enhance thermal performance and maintain optimal temperatures during heavy workloads.

With both processors having a similar thermal design power of 65W, the inclusion of an advanced cooling solution with the i5-14400 could lead to better thermal management and performance longevity, especially under intensive use.

Compatibility with Chipsets

Compatibility is another significant aspect that differentiates these two processors. The Intel Core i5-10400 is designed for the Intel 400 series chipset, while the i5-14400 offers broader compatibility with Intel 600-series and 700-series chipsets, although it may require a BIOS update.

This broader compatibility allows users who opt for the i5-14400 to take advantage of newer technologies such as PCIe 5.0 and DDR5 support, which are not available with the i5-10400. Consequently, the i5-14400 is a more future-proof option for gamers and creators looking to build or upgrade their systems.

Gaming and Productivity Optimization

The Intel Core i5-14400 is optimized for both gaming and productivity, featuring enhancements that make it suitable for diverse workloads. With its 10 cores and a robust cache size of 20MB, it can handle multiple applications seamlessly, providing a smoother gaming experience and improved multitasking capabilities.

On the other hand, the i5-10400, while still capable of handling gaming and productivity tasks, may fall short for users who require high performance for demanding applications. Its lower core count and clock speed can hinder performance in high-intensity scenarios, making it less ideal for users seeking cutting-edge performance.

Graphics Capabilities

The Intel Core i5-14400 includes integrated Intel UHD Graphics 730, which enhances its graphics performance without the need for a dedicated GPU. This feature is particularly beneficial for users who may not have a high-end graphics card but still want to engage in casual gaming or content consumption.

In contrast, the Intel Core i5-10400 does not specify its integrated graphics capabilities, which may limit its functionality for graphics-intensive tasks. For users who rely on integrated graphics, the i5-14400 presents a clear advantage.

Price Comparison

In terms of pricing, the Intel Core i5-10400 is significantly cheaper at $205.13 compared to the i5-14400's price of $264.99. This makes the i5-10400 about 29% less expensive. However, this lower price comes with trade-offs in performance and features, as the i5-14400 offers more cores and better multitasking capabilities.

For budget-conscious consumers, the i5-10400 may seem like a more attractive option. Still, for those willing to invest a bit more for enhanced performance and future-proofing, the i5-14400 presents a compelling case.

Which should you buy?

Choosing between the Intel Core i5-10400 and the Intel Core i5-14400 ultimately depends on your specific needs and budget. If you are looking for a cost-effective solution for basic computing tasks and light gaming, the i5-10400, priced at $205.13, is a solid choice.

However, if you seek superior performance for gaming, productivity, and multitasking, the Intel Core i5-14400, at $264.99, is the better option. With its 10 cores, enhanced thermal management, and future-proofing capabilities, the i5-14400 justifies the additional investment for users aiming for high performance and longevity in their computing experience.