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Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M vs Intel® Core™ i5-11400 Desktop Processor 6 Cores up

Updated August 2026 — Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M wins on price, Intel® Core™ i5-11400 Desktop Processor 6 Cores up wins on performance and power.

The Intel Core i5-11400 offers superior performance and modern features compared to the i7-6700. However, the i7-6700 is a more budget-friendly option.

Why Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M is better

Price

i7-6700 is significantly cheaper

Compatibility

Compatible with older chipsets

Basic Performance

Adequate for non-demanding tasks

Why Intel® Core™ i5-11400 Desktop Processor 6 Cores up is better

Performance

Higher clock speed and cores

Cache Size

Larger L3 cache of 12 MB

Graphics

Better integrated graphics support

Overall score

Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M
75
Intel® Core™ i5-11400 Desktop Processor 6 Cores up
85

Specifications

SpecIntel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 MIntel® Core™ i5-11400 Desktop Processor 6 Cores up
BrandIntelIntel
ArchitectureOlderNewer
Hyper-ThreadingNoYes
Memory SupportDDR4 & DDR3LDDR4 & DDR3L
Integrated GraphicsNot specifiedIntel UHD 730

Dimension comparison

Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 MIntel® Core™ i5-11400 Desktop Processor 6 Cores up

Price Comparison

When comparing the Intel Boxed Core I7-6700 and the Intel Core i5-11400, the price difference is considerable. The i7-6700 is priced at $96.99, while the i5-11400 costs $186.00. This means the i7-6700 is about 48% cheaper than the i5-11400. For budget-conscious buyers, the i7-6700 presents a more attractive option, especially for those who do not require the latest technology. However, the higher price of the i5-11400 might be justified by its newer architecture and performance capabilities.

Performance and Architecture

In terms of performance, the Intel Core i5-11400 shines with its six cores and a turbo boost capability of up to 4.4 GHz. In contrast, the i7-6700 operates at a base clock speed of 3.40 GHz with four cores. This means the i5-11400 can handle more simultaneous tasks and demanding applications, making it suitable for gaming and productivity. The hyper-threading technology of the i5-11400 allows it to process multiple threads efficiently, enhancing its overall performance. Therefore, for users prioritizing performance, the i5-11400 is the superior choice.

Cache Size and Memory Support

The Intel Core i5-11400 features a substantial 12 MB of L3 cache, which helps retrieve frequently used data quickly, thereby improving system performance. On the other hand, the Intel i7-6700 comes with an 8 MB cache. While both processors support DDR4 and DDR3L memory types, the i5-11400’s larger cache can give it an edge in tasks that rely heavily on data retrieval. This difference in cache size may influence users who require fast data processing capabilities, particularly in demanding applications such as video editing or gaming.

Integrated Graphics

In terms of integrated graphics, the i5-11400 includes the Intel UHD Graphics 730, which offers enhanced visual quality and support for up to three monitors. This is a significant advantage for users who rely on onboard graphics for gaming or multimedia tasks. The i7-6700, while capable, does not specify its integrated graphics capabilities in the provided data. Therefore, for users who need strong graphical performance without a dedicated GPU, the i5-11400 is a more suitable option.

Power Consumption and Efficiency

The Intel Core i5-11400 operates at a thermal design power (TDP) of 65W, making it an efficient processor for modern computing needs. The i7-6700 does not explicitly state its power consumption, but being an older generation chip, it may not match the efficiency of the i5-11400. The i5’s 14 nm design is noted for balancing cost, performance, and power, appealing to users who are conscious of energy consumption and thermal output in their system builds.

Compatibility and Future-Proofing

The i5-11400 is compatible with Intel's 500 series and select 400 series chipsets, which are designed to support newer technologies and features such as PCIe Gen 4.0. This makes it a better option for users looking to build a future-proof system. Meanwhile, the i7-6700 is compatible with Intel's 100 series chipsets, which may limit upgrade options in the future. For those planning to invest in a long-term build, the i5-11400’s compatibility with newer technologies is a significant factor to consider.

User Experience and Application

Both processors aim to enhance user experience for tasks like gaming, productivity, and content creation. The i7-6700 is marketed for its capabilities in productivity and 3D gaming, making it a competent choice for users focused on these areas. However, the i5-11400 is specifically optimized for gaming and creating, providing a more tailored experience for modern applications. If your primary goal is to work with the latest games and applications, the i5-11400 may prove to be the better option.

Which should you buy?

In conclusion, choosing between the Intel Boxed Core I7-6700 and the Intel Core i5-11400 hinges on your specific needs and budget. The i7-6700, priced at $96.99, is an economical choice for users seeking solid performance without breaking the bank. However, the i5-11400, at $186.00, offers superior performance, efficiency, and future-proofing advantages that may justify the higher price for those who require the latest technology. Ultimately, if you are looking for better performance and integrated graphics, the i5-11400 is the clear winner; for a budget-friendly option, the i7-6700 remains a viable contender.