HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen vs Intel Core Ultra 5 Desktop Processor 245KF - 14 cores
Updated August 2026 — The HP FAST EliteDesk 800 G3 SFF PC is a complete desktop solution, while the Intel Core Ultra 5 Desktop Processor 245KF is designed for high-performance builds. For general use, the EliteDesk is preferable, but for gaming and productivity, the Ultra 5 excels.
The HP FAST EliteDesk 800 G3 SFF PC is a complete desktop solution, while the Intel Core Ultra 5 Desktop Processor 245KF is designed for high-performance builds. For general use, the EliteDesk is preferable, but for gaming and productivity, the Ultra 5 excels.
Why HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen is better
complete system
The HP EliteDesk is a fully functional desktop out of the box.
operating system
Includes Windows 11 Pro for immediate use.
compact design
Small form factor ideal for limited desk space.
Why Intel Core Ultra 5 Desktop Processor 245KF - 14 cores is better
core count
14 cores in the Intel Ultra 5 significantly outperform the 4 cores of the EliteDesk.
performance optimization
Designed for high-performance gaming and productivity.
latest technology
Supports PCIe 5.0 and DDR5 memory for future-proofing.
Overall score
Specifications
| Spec | HP FAST EliteDesk 800 G3 SFF PC - Intel Core i7 6th Gen | Intel Core Ultra 5 Desktop Processor 245KF - 14 cores |
|---|---|---|
| Processor | Intel Core i7 6th Gen | Intel Core Ultra 5 245KF |
| RAM Type | DDR3 | N/A |
| Storage | 512GB/1TB SSD | N/A |
| WiFi | 150Mbps USB | N/A |
| Power | N/A | 125W |
Dimension comparison
Overview of the Products
The HP FAST EliteDesk 800 G3 SFF PC and the Intel Core Ultra 5 Desktop Processor 245KF are both priced at £139.99, but they serve different purposes within the computing landscape. The HP EliteDesk is a complete desktop solution, while the Intel processor is a component designed for high-performance builds.
The HP FAST EliteDesk 800 G3 SFF PC is refurbished and features an Intel Core i7 6th Generation CPU with four cores clocking up to 4.00GHz, making it suitable for general computing tasks and office use. On the other hand, the Intel Core Ultra 5 245KF boasts 14 cores and is optimised for gaming and productivity, appealing to a different audience focused on custom builds.
Performance Comparison
When it comes to performance, the Intel Core Ultra 5 Desktop Processor 245KF is the clear winner due to its 14 cores, which significantly surpass the four cores found in the HP FAST EliteDesk. This structural difference allows the Intel processor to handle more simultaneous tasks, making it ideal for demanding applications such as gaming or content creation.
In terms of clock speed, the HP EliteDesk reaches up to 4.00GHz, providing solid performance for everyday use. However, the Intel processor, being part of a newer line, offers optimisations that benefit both gamers and productivity users, making it a more robust choice for high-performance needs.
Design and Form Factor
The HP FAST EliteDesk 800 G3 SFF PC is designed with a compact form factor, ideal for users with limited desk space. Its small size does not compromise its performance, making it a suitable choice for office environments or home use.
In contrast, the Intel Core Ultra 5 is a standalone processor that requires additional components such as a motherboard and cooling system to function. This means that while the processor itself is powerful, it demands more effort in terms of assembly and integration into a complete system, making it less convenient for those looking for an out-of-the-box solution.
Memory and Storage
The HP FAST EliteDesk comes with 16GB of DDR3 RAM, which supports multitasking effectively for everyday applications. This amount of memory allows users to run multiple applications without experiencing significant slowdowns, making it a practical option for office work and home use.
On the other hand, the Intel Core Ultra 5 does not come with memory or storage. It is designed for users who will provide their own RAM and storage solutions, which can be tailored to specific performance needs. This flexibility can be advantageous for users wanting the latest DDR5 memory but requires additional investment in compatible components.
Connectivity Features
The HP FAST EliteDesk offers a 150Mbps USB WiFi adapter dongle for wireless connectivity, ensuring reliable internet access. Additionally, it includes Display and VGA ports for connecting multiple monitors, which enhances productivity for users needing extensive screen real estate.
In contrast, the Intel Core Ultra 5 does not inherently include any connectivity features as it is just a processor. Users will need to ensure their chosen motherboard has the necessary ports and connectors for internet access and monitor connections. This requirement adds complexity for those who prefer a straightforward setup.
Operating System
The HP FAST EliteDesk is equipped with Windows 11 Pro, providing users access to the latest features, security enhancements, and improved productivity tools that come with Microsoft's newest operating system. This ensures a smooth experience right out of the box, making it suitable for users who want a ready-to-use computer.
In contrast, the Intel Core Ultra 5 does not come with an operating system, meaning users must install their operating system of choice. This adds an extra step for those who may not be as tech-savvy or who wish to avoid the hassle of setting up their own system.
Intended Use Cases
The HP FAST EliteDesk is perfect for users who need a reliable and efficient desktop computer for office work, home use, or educational purposes. Its powerful CPU and generous memory make it suitable for multitasking and running various business applications.
The Intel Core Ultra 5, however, is geared towards gamers and performance enthusiasts who are building custom systems. Its 14-core architecture and support for the latest technologies like PCIe 5.0 and DDR5 memory make it a prime choice for those seeking high-performance computing capabilities.
Which should you buy?
Choosing between the HP FAST EliteDesk 800 G3 SFF PC and the Intel Core Ultra 5 Desktop Processor 245KF ultimately depends on your specific needs. If you require a fully functional desktop for everyday use, the HP EliteDesk offers a complete package with its compact design, adequate performance, and modern operating system. However, if you are a gamer or a productivity user looking to build a high-performance system, the Intel Core Ultra 5 would be the better choice due to its superior core count and performance capabilities.
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