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Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M vs Intel Core Ultra 5 Desktop Processor 245KF - 14

Updated August 2026 — Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M wins on compatibility, Intel Core Ultra 5 Desktop Processor 245KF - 14 wins on price and architecture.

The Intel Core Ultra 5 offers superior performance and advanced features, making it the better choice for demanding tasks, while the I7-6700 is a more budget-friendly option for casual users.

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

Price

The I7-6700 is significantly cheaper.

Energy Efficiency

The I7-6700 has lower power consumption.

Compatibility

The I7-6700 supports older motherboards.

Why Intel Core Ultra 5 Desktop Processor 245KF - 14 is better

Performance

The Ultra 5 has higher clock speed and core count.

Architecture

The Ultra 5 features Performance Hybrid Architecture.

Future-Proofing

The Ultra 5 supports PCIe 5.0.

Overall score

Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M
70
Intel Core Ultra 5 Desktop Processor 245KF - 14
90

Specifications

SpecIntel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 MIntel Core Ultra 5 Desktop Processor 245KF - 14
Clock Speed3.40 GHzup to 5.2 GHz
Cores414 (6 P-cores + 8 E-cores)
Cache8 MB26 MB
Memory SupportDDR4 & DDR3LDDR5
SocketLGA 1151LGA 800 series

Dimension comparison

Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 MIntel Core Ultra 5 Desktop Processor 245KF - 14

Overview of the Processors

When comparing the Intel Boxed Core I7-6700 and the Intel Core Ultra 5 Desktop Processor 245KF, performance and price are significant factors to consider. The Intel Core Ultra 5 is priced at $169.99, while the Intel Boxed Core I7-6700 is about 43% cheaper at $96.99. This stark price difference immediately positions the I7-6700 as a more budget-friendly option for those looking for decent performance without breaking the bank.

The I7-6700 features a 3.40 GHz clock speed with an 8 MB processor cache, making it a solid choice for general computing tasks and moderate gaming. In contrast, the Core Ultra 5 boasts a more advanced architecture with 14 cores, including 6 Performance-cores and 8 Efficiency-cores, allowing it to handle multitasking and demanding applications more efficiently.

Performance Capabilities

In terms of raw performance, the Intel Core Ultra 5 significantly outshines the I7-6700. With a maximum clock speed of up to 5.2 GHz and a total of 14 cores, the Ultra 5 excels in processing power, especially for tasks that require high computational capabilities. The I7-6700, while still competent with its 3.40 GHz speed, is better suited for less demanding tasks.

The Core Ultra 5 also integrates Intel's Performance Hybrid Architecture, which optimizes workload distribution. This means users can expect faster processing and smoother performance during high-load scenarios. In contrast, the I7-6700's capabilities, while decent, may struggle under more intensive applications compared to its modern counterpart.

Architecture and Technology

The architectural advancements in the Intel Core Ultra 5 are noteworthy. It utilizes a Performance Hybrid Architecture that merges two core microarchitectures. This allows for better prioritization of tasks, which is particularly beneficial for gamers and content creators who require efficient multitasking capabilities.

On the other hand, the Intel Boxed Core I7-6700, being part of the older 6th generation, lacks these modern efficiencies. It supports DDR4 and DDR3L memory types but does not benefit from the latest technologies like PCIe 5.0, which is available in the Core Ultra 5. This makes the Ultra 5 more future-proof, especially for users looking to upgrade other components alongside their CPU.

Compatibility and Motherboard Support

Compatibility is another critical aspect where the two processors differ. The Intel Boxed Core I7-6700 is designed for LGA 1151 motherboards and is compatible with Intel's 100 series chipsets. Conversely, the Intel Core Ultra 5 requires Intel 800 series chipset-based motherboards, making it essential for potential buyers to consider their current motherboard or plan for a potential upgrade.

This difference could impact the overall cost of upgrading a system. While the I7-6700 is compatible with existing systems that utilize older chipsets, the Core Ultra 5 necessitates newer infrastructure, which may add to the total investment required for those aiming for high-performance computing.

Power Consumption and Efficiency

The Intel Core Ultra 5 has a base power rating of 125 watts, which is typical for modern high-performance CPUs. This power consumption is balanced by its efficient architecture, allowing it to run cooler and quieter during operation. The I7-6700, while less powerful, also maintains a reasonable power consumption level, making it a good choice for users who prioritize energy efficiency over raw power.

However, the increased performance and capabilities of the Core Ultra 5 can justify its higher power consumption in scenarios where maximum efficiency and speed are needed. In contrast, users of the I7-6700 may find it sufficient for everyday tasks without the need for high power draw.

Price Comparison

When it comes to pricing, the Intel Boxed Core I7-6700 at $96.99 is considerably more affordable than the Intel Core Ultra 5, which retails at $169.99. This price difference of approximately $73 highlights the I7-6700's appeal for budget-conscious consumers who still want reliable performance.

However, potential buyers should weigh this cost against the performance benefits of the Core Ultra 5. While the I7-6700 is about 43% cheaper, the Ultra 5's advanced capabilities may offer a better long-term value for those requiring higher performance, particularly in gaming and content creation.

Use Cases

The choice between these two processors largely depends on the intended use case. The Intel Boxed Core I7-6700 is an excellent option for casual users engaging in everyday tasks like web browsing, office applications, and light gaming. Its capabilities are sufficient for average users looking to upgrade from older systems without significant investment.

In contrast, the Intel Core Ultra 5 is geared toward power users, gamers, and professionals who demand top-notch performance for multitasking and resource-intensive applications. Its higher core count and clock speed make it a better fit for those who rely on their systems for demanding tasks.

Which should you buy?

The decision between the Intel Boxed Core I7-6700 and the Intel Core Ultra 5 Desktop Processor 245KF hinges on both budget and intended use. For users seeking a cost-effective solution for daily computing tasks, the I7-6700 is a compelling choice at $96.99. However, for those who require superior performance for gaming or productivity, the investment in the Intel Core Ultra 5 at $169.99 may well be worth it, offering advanced features and significantly better performance. Ultimately, the right choice will align with your specific needs and budget constraints.