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Intel Core i5 12400 Processor vs HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen

Updated August 2026The Intel Core i5 12400 Processor offers superior performance and modern features, while the HP FAST EliteDesk 800 G3 SFF PC provides a complete and convenient desktop solution.

The Intel Core i5 12400 Processor offers superior performance and modern features, while the HP FAST EliteDesk 800 G3 SFF PC provides a complete and convenient desktop solution.

Why Intel Core i5 12400 Processor is better

higher performance

i5 12400 has 6 cores and 12 threads compared to i7's 4 cores

latest generation

i5 12400 is part of Intel's 12th Gen Alder Lake series

higher clock speed

i5 12400 can reach up to 4.4GHz versus 4.00GHz for i7

Why HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen is better

complete system

EliteDesk includes RAM, storage, and OS out of the box

lower price

EliteDesk is priced at £139.99 compared to i5's £205.99

compact design

EliteDesk has a small form factor suitable for limited spaces

Overall score

Intel Core i5 12400 Processor
85
HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen
70

Specifications

SpecIntel Core i5 12400 ProcessorHP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen
ProcessorIntel Core i5 12400Intel Core i7 6th Gen
Generation12th Gen6th Gen
RAMN/A16GB DDR3
StorageN/A512GB/1TB SSD
OSN/AWindows 11 Pro

Dimension comparison

Intel Core i5 12400 ProcessorHP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen

Overview of Intel Core i5 12400 Processor and HP FAST EliteDesk 800 G3 SFF PC

The Intel Core i5 12400 Processor and the HP FAST EliteDesk 800 G3 SFF PC are two distinct products catering to different computing needs. While the i5 12400 is a standalone CPU designed for modern desktops, the EliteDesk is a complete refurbished desktop system featuring a 6th generation Intel Core i7 processor. The i5 12400, priced at £205.99, is a part of Intel's 12th generation Alder Lake series, boasting 6 cores and 12 threads with a maximum clock speed of 4.4GHz. In contrast, the EliteDesk, available for £139.99, combines the i7 processor with 16GB of DDR3 RAM and significant SSD storage options, making it a suitable all-in-one solution for users seeking a ready-to-use desktop.

Performance Comparison

When it comes to performance, the Intel Core i5 12400 Processor outshines the HP FAST EliteDesk in several areas. The i5 12400 features 6 cores and 12 threads, which allows for efficient multitasking and high performance in demanding applications, clocking up to 4.4GHz. On the other hand, the EliteDesk is equipped with a 6th generation Intel Core i7, which, while a high-performance chip, has only 4 cores and a maximum speed of 4.00GHz. This makes the i5 12400 a more powerful option for contemporary applications that can leverage its additional cores and higher clock speed, particularly in gaming and content creation scenarios.

Memory and Storage

The HP FAST EliteDesk 800 G3 SFF PC boasts 16GB of DDR3 RAM, which is essential for running multiple applications simultaneously without experiencing slowdowns. In contrast, the Intel Core i5 12400 Processor does not come with any memory or storage, as it is solely a CPU. Users looking to build a new system around the i5 12400 will need to invest in additional components, including RAM and storage, which can add to the overall cost. The EliteDesk also offers SSD options of either 512GB or 1TB, providing fast boot times and quick access to files, which are significant advantages for users who require efficient data management.

Connectivity Options

In terms of connectivity, the HP FAST EliteDesk is designed with modern needs in mind. It includes a 150Mbps USB WiFi Adapter Dongle, ensuring reliable wireless connectivity for seamless internet access. Additionally, it features multiple display options with Display and VGA ports, allowing for versatile monitor configurations. Conversely, the Intel Core i5 12400 Processor, being a CPU, relies on the motherboard's integrated features for connectivity, which can vary widely depending on the build. Therefore, for users prioritising connectivity out of the box, the EliteDesk offers a more complete solution.

Operating System

The HP FAST EliteDesk 800 G3 comes pre-installed with Windows 11 Pro, providing users access to the latest features and security enhancements from Microsoft. This includes a sleek user interface, improved productivity tools, and seamless integration with cloud services. The Intel Core i5 12400, however, does not include an operating system, meaning users will need to install their preferred OS separately. This could lead to additional costs and setup time for those building a system from scratch. The inclusion of Windows 11 Pro in the EliteDesk makes it a convenient option for users who want an immediate, ready-to-use desktop environment.

Build and Form Factor

The HP FAST EliteDesk 800 G3 SFF PC is designed in a compact form factor, making it an excellent choice for users with limited desk space. Its small size does not compromise performance, as it offers full desktop capabilities while saving valuable workspace. In contrast, the Intel Core i5 12400 Processor requires a compatible motherboard and housing, which can vary in size and design based on user preferences. For those who prefer a ready-made solution that is both powerful and space-efficient, the EliteDesk is a compelling option.

Target Audience

The Intel Core i5 12400 Processor is tailored for users who are keen on building their own systems and require a powerful CPU for gaming, content creation, or intensive multitasking. Its high performance and modern architecture make it suitable for tech enthusiasts and professionals who demand the latest technology. On the other hand, the HP FAST EliteDesk 800 G3 SFF PC is aimed at users who require a reliable and efficient desktop for everyday tasks, such as office work, web browsing, and light gaming. With its pre-installed operating system and complete setup, it caters well to businesses and home users looking for convenience and value.

Which should you buy?

Choosing between the Intel Core i5 12400 Processor and the HP FAST EliteDesk 800 G3 SFF PC ultimately depends on your specific computing needs. If you are looking for a powerful CPU to build a custom system that can handle demanding tasks, the i5 12400 is the superior choice with its higher clock speed and core count. However, if you prefer a complete desktop solution that includes a robust processor, ample memory, storage, and an operating system at a lower price of £139.99, the EliteDesk is hard to beat. Consider your priorities—whether it’s building a high-performance machine or having an all-in-one ready-to-use desktop—before making your decision.

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Intel Core i5 12400 Processor vs HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen | versusfinder