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Intel Core i5 Core 12400F Desktop Processor 18M Cache vs Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX806

Updated August 2026The Intel Core i5-12400F outperforms the Intel Boxed Core i7-6700 in most aspects, making it the better choice for demanding applications.

The Intel Core i5-12400F outperforms the Intel Boxed Core i7-6700 in most aspects, making it the better choice for demanding applications.

Why Intel Core i5 Core 12400F Desktop Processor 18M Cache is better

core count

i5-12400F has 6 cores vs i7-6700's 4 cores

turbo frequency

i5-12400F peaks at 4.4 GHz vs i7-6700's 4.0 GHz

modern architecture

i5-12400F uses LGA1700 socket for newer tech

Why Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX806 is better

price

i7-6700 is significantly cheaper at C$141.44

integrated graphics

i7-6700 includes Intel HD Graphics 530

memory support

i7-6700 supports both DDR4 and DDR3L

Overall score

Intel Core i5 Core 12400F Desktop Processor 18M Cache
85
Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX806
60

Specifications

SpecIntel Core i5 Core 12400F Desktop Processor 18M CacheIntel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX806
BrandIntelIntel
Cache Size18M8M
Memory TypeDDR4DDR4 & DDR3L
Max ResolutionN/A4096x2304
ArchitectureLGA1700LGA1151

Dimension comparison

Intel Core i5 Core 12400F Desktop Processor 18M CacheIntel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX806

Overview of the Intel Core i5 Core 12400F and Intel Boxed Core i7-6700

The Intel Core i5 Core 12400F is a modern processor priced at C$308.17, while the Intel Boxed Core i7-6700 is a previous-generation option available for just C$141.44. This significant price difference sets the stage for a comparison of their features and performance.

The i5-12400F features 6 cores and a turbo frequency of up to 4.4 GHz, while the i7-6700 offers 4 cores with a maximum frequency of 4.00 GHz. The choice between these processors involves weighing modern architecture against an older but still capable model.

Performance Comparison

In terms of raw performance, the Intel Core i5 Core 12400F is designed to outperform the Intel Boxed Core i7-6700. The i5-12400F has a turbo frequency peak of 4.4 GHz, compared to the 4.00 GHz of the i7-6700. Although the i7-6700 has 8MB of cache, the i5-12400F’s newer architecture and higher clock speed are likely to provide better performance in most applications, particularly in gaming and multi-threaded tasks.

The configuration of the i5-12400F with 6 cores (all performance cores) offers a significant advantage in handling modern workloads, making it a better choice for tasks requiring efficient processing power.

Architecture and Technology

The Intel Core i5 Core 12400F is built on the LGA1700 socket, signifying its compatibility with the latest 600 series chipsets. In contrast, the Intel Boxed Core i7-6700 uses the older LGA 1151 socket. This difference in architecture highlights the i5-12400F’s modern design, which supports more advanced technologies and features not available in the i7-6700.

Moreover, the i5-12400F's design is optimised for lower power consumption, operating at a base power of 65W, which contributes to better efficiency compared to the i7-6700, which does not specify its base power consumption in the provided details but is generally known to be higher due to its older technology.

Memory and Compatibility

When it comes to memory compatibility, the Intel Boxed Core i7-6700 supports both DDR4 and DDR3L memory types, providing flexibility for users with older setups. However, it generally operates at lower speeds compared to newer DDR4 memory configurations that the Intel Core i5 Core 12400F is likely to utilise.

The i5-12400F’s support for the latest memory technologies allows for greater bandwidth and improved performance in memory-intensive applications. This makes it a more future-proof option for building or upgrading a PC aimed at high performance.

Graphics and Multimedia Capabilities

The Intel Core i5 Core 12400F does not have integrated graphics as indicated by its designation, which means that a separate graphics card is necessary for display functions. On the other hand, the Intel Boxed Core i7-6700 includes Intel HD Graphics 530, supporting display resolutions up to 4096x2304. This feature allows users to build a system without an initial investment in a dedicated GPU, making the i7-6700 a potentially more appealing option for budget-conscious consumers who do not require high-end graphics.

However, for those planning to use a dedicated graphics card, the lack of integrated graphics in the i5-12400F will not be a disadvantage.

Price and Value Proposition

The price difference between the two processors is notable: the Intel Core i5 Core 12400F is priced at C$308.17, whereas the Intel Boxed Core i7-6700 is significantly cheaper at C$141.44. The i7-6700 offers a lower entry point for users looking for a capable processor without breaking the bank.

However, the value proposition shifts dramatically when performance and longevity are considered. The i5-12400F, despite its higher price, offers modern performance capabilities that are more aligned with current software demands, making it a better long-term investment for users who can afford it.

Use Cases and Target Audience

The Intel Core i5 Core 12400F is ideal for gamers and content creators who need robust performance for demanding applications and multitasking. Its modern architecture and higher core count make it well-suited for these use cases.

Conversely, the Intel Boxed Core i7-6700 may appeal to users with basic computing needs, such as casual browsing, office applications, and light gaming. Its lower price point may attract budget-conscious consumers or those upgrading older systems who do not require the latest technology.

Which should you buy?

When deciding between the Intel Core i5 Core 12400F and the Intel Boxed Core i7-6700, the choice ultimately depends on your specific needs and budget. The i5-12400F offers superior performance, modern architecture, and efficiency for C$308.17, making it the better choice for users who require high performance and plan to use demanding applications.

Conversely, the i7-6700, priced at C$141.44, serves as an economical option for less demanding tasks. If your workload doesn't require the latest technology and you are looking to save money, the i7-6700 is a viable choice. However, for gamers or professionals seeking longevity and performance, the i5-12400F is the clear winner.

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Intel Core i5 Core 12400F Desktop Processor 18M Cache vs Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX806 | versusfinder