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Intel BX80677I77700K 7th Gen Pentium Desktop Processor vs Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores

Updated August 2026 — Intel BX80677I77700K 7th Gen Pentium Desktop Processor wins on graphics and cooling, Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores wins on price and performance.

The Intel Core Ultra 5 Processor 250KF Plus offers superior performance and future-proofing compared to the Intel BX80677I77700K, making it the better choice for demanding users.

Why Intel BX80677I77700K 7th Gen Pentium Desktop Processor is better

Price

Lower cost at $186.69

Integrated Graphics

Includes Intel UHD Graphics 630

Cooling

Easier to cool due to lower power consumption

Why Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores is better

Performance

Higher core count with 18 cores

Future-proofing

Supports PCIe 5.0 and DDR5 memory

Max Turbo Frequency

Reaches up to 5.3 GHz

Overall score

Intel BX80677I77700K 7th Gen Pentium Desktop Processor
65
Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores
85

Specifications

SpecIntel BX80677I77700K 7th Gen Pentium Desktop ProcessorIntel® Core™ Ultra 5 Processor 250KF Plus 18 cores
Cores418
Threads824
Base Frequency4.2 GHz125W
Max Turbo Frequency4.5 GHz5.3 GHz
Cache8 MBN/A
SocketLGA1151LGA1851

Dimension comparison

Intel BX80677I77700K 7th Gen Pentium Desktop ProcessorIntel® Core™ Ultra 5 Processor 250KF Plus 18 cores

Overview of the Products

In this comparison, we look at the Intel BX80677I77700K 7th Gen Pentium Desktop Processor and the Intel Core Ultra 5 Processor 250KF Plus. The first processor is priced at $186.69, while the latter comes in at $240.58, making it about 29% more expensive. Both processors are built by Intel, but they cater to different market segments and performance needs.

Performance Capabilities

The Intel BX80677I77700K features 4 cores and 8 threads, with a base frequency of 4.2 GHz, reaching a max turbo frequency of 4.5 GHz. This makes it suitable for general computing and light gaming. On the other hand, the Intel Core Ultra 5 Processor 250KF Plus boasts a much more powerful architecture, featuring 18 cores (6 performance cores and 12 efficiency cores) and a max turbo frequency of up to 5.3 GHz. This significant difference in core count and clock speed indicates that the Ultra 5 is designed for more demanding applications, such as gaming and content creation.

Compatibility and Upgradability

When it comes to compatibility, the Intel BX80677I77700K is designed for motherboards using Intel 100 or 200 Series Chipsets. In contrast, the Intel Core Ultra 5 Processor 250KF Plus supports the newer Intel 800 Series Chipsets with LGA1851 socket, enabling PCIe 5.0 and DDR5 memory support. This means that while the BX80677I77700K may be a solid choice for upgrading older systems, the Ultra 5 offers more future-proofing with support for cutting-edge technology.

Thermal and Power Design

The Intel BX80677I77700K has a moderate thermal design, making it suitable for most standard builds. However, the Intel Core Ultra 5 Processor 250KF Plus is engineered with a robust design, featuring a base power of 125W and a maximum turbo power of 250W. This higher power rating indicates that the Ultra 5 is built to handle intensive workloads and could require better cooling solutions, making it ideal for enthusiasts and power users.

Integrated Features

The Intel BX80677I77700K comes with Intel UHD Graphics 630, which is adequate for basic visual tasks and light gaming without a dedicated GPU. Meanwhile, the Intel Core Ultra 5 Processor 250KF Plus does not include integrated graphics, necessitating the use of a discrete graphics card. This focus on high-performance gaming and productivity applications aligns with its higher price point, appealing to users who aim for top-tier graphics performance.

Cooling Solutions

Cooling solutions may differ significantly between the two processors. The Intel BX80677I77700K is generally easier to cool due to its lower power consumption and moderate thermal output. In contrast, the Intel Core Ultra 5 Processor 250KF Plus, with its higher power requirements and thermal design, may demand more advanced cooling solutions, especially for users looking to overclock. This consideration is crucial for those planning to push their hardware to the limits.

Target Audience

The Intel BX80677I77700K targets budget-conscious users who need reliable performance for everyday tasks, such as browsing, streaming, and light gaming. Conversely, the Intel Core Ultra 5 Processor 250KF Plus is aimed at enthusiasts and professionals who require superior performance for gaming or intensive productivity tasks. The price difference reflects this segmentation, with the Ultra 5 offering capabilities that justify its higher cost.

Which should you buy?

Choosing between the Intel BX80677I77700K and the Intel Core Ultra 5 Processor 250KF Plus ultimately comes down to your specific needs and budget. If you are looking for a more budget-friendly option for everyday computing, the BX80677I77700K at $186.69 is a solid choice. However, if you require higher performance for gaming or content creation, the Intel Core Ultra 5 Processor 250KF Plus, priced at $240.58, is worth the investment for its superior capabilities and future-proof features.