What 4K actually asks of a machine
4K is 3840 by 2160, four times the pixels of 1080p. The gain is clarity: finer textures, cleaner edges, more detail holding up at distance. The cost is that the graphics card has four times as much to draw, and that is where the money goes.
It is worth separating three different targets, because they are not the same purchase.
4K at around 60fps is reachable in most current titles with settings adjusted and upscaling enabled. This is where most people land, and it does not need the top of the range.
4K at high refresh, filling a 120Hz or 144Hz panel at full resolution, asks considerably more of both the card and the processor, because the frame rates involved are high enough that the processor stops being irrelevant.
4K with ray tracing at native resolution is the most demanding of the three and the one that justifies the strongest cards. With upscaling it becomes reachable further down the range.
Upscaling changed what 4K costs
This is the single biggest shift in 4K gaming and it is worth understanding before you choose a card. DLSS and FSR render the game below 4K and reconstruct it to fill the screen, which raises frame rates substantially for a small cost in image quality that most people do not notice in motion.
The practical effect is that 4K is no longer only for flagship cards. Our guide to DLSS and FSR explained covers how the two compare and where the quality cost shows.
Choosing the card
At 4K the graphics card decides nearly everything, so it is the part to get right and the part worth spending on before anything else.
Our comparison of the RTX 5070, 5070 Ti and 5080 sets out where each one stops earning its price at this resolution, and what graphics card you need works back from what you play. If you already know which card you want, the RTX 50 series and Radeon RX 9000 series ranges are organised that way.
The screen is half the purchase
A 4K machine on a 1440p panel shows you none of what you paid for, and it is a more expensive mistake here than anywhere else in the range.
Resolution is the obvious part. Refresh rate is the one people miss, and the two interact: a 4K 60Hz panel and a 4K 144Hz panel ask very different things of the machine driving them. Ports matter too, since 4K at 120Hz needs DisplayPort 1.4 or HDMI 2.1. Our monitor guide goes through all of it.
The rest of the machine
At 4K the processor matters less than it does at lower resolutions, because the card is doing most of the work. It becomes relevant again for high refresh 4K, for simulation, and if you stream or record while playing.
Memory sits at 32GB on most of these builds, with storage at 1TB or 2TB of NVMe. Modern game installs run large, and at this level storage is a real consideration rather than a detail.
Every machine is hand built and tested here in the UK with a 3 year warranty as standard. If you would rather set the specification yourself, the PC configurator checks compatibility as you build.
4K gaming PC FAQs
Yes. Without one you will not see any of what you are paying for. Check the refresh rate it supports as well as the resolution, and the ports: 4K at 120Hz needs DisplayPort 1.4 or HDMI 2.1. Our monitor guide covers how to match the screen to the machine.
Can I get 4K at 60fps without spending a fortune?
In many titles, yes, with settings adjusted and upscaling enabled. What costs more is 4K at high refresh rates, or 4K with heavy ray tracing at native resolution. Those are different targets and they need different machines.
Is upscaling necessary at 4K?
Not necessary, but it is how most people play at 4K now and it changes what a given card can do. DLSS and FSR render the game below 4K and reconstruct it, which raises frame rates substantially. Our guide to DLSS and FSR explained covers the quality trade.
Will the processor hold back a 4K machine?
Rarely. At 4K the graphics card does most of the work, so the processor matters less than it would at 1080p. It becomes relevant again for high refresh 4K, for simulation, and if you stream or record on the same machine.
How long does delivery take?
Built to order systems take 6 to 8 working days, or 3 to 5 on express. Some machines in this range are in stock for next day delivery.
Not found what you are looking for?
See our high end gaming PCs for the top of the range, or gaming PCs under £2000 if 1440p is the more realistic target. For the full range, browse all gaming PCs.
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