Steam Machine vs Custom Gaming PC — Which Should You Buy? (UK 2026)
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Valve has brought back the Steam Machine — a small, console-style box that plays PC games in your living room. It looks great, and the launch has people asking a fair question: should I get a Steam Machine, or buy a proper custom gaming PC? This guide compares the two honestly — price, real-world power, the games each can actually run, upgrades and availability — so you can decide which is right for you. Every PC we build is assembled to order in the UK, backed by a 3-year warranty, and always £100 below eBay.
What Is the New Steam Machine?
The 2026 Steam Machine is a roughly 6-inch cube running SteamOS 3 (a Linux-based operating system), designed to plug into your TV like a console. The published specifications are:
- CPU: semi-custom AMD Zen 4, 6 cores / 12 threads (up to 4.8GHz)
- GPU: semi-custom AMD RDNA3 with 28 compute units (110W)
- Memory: 16GB DDR5 system RAM + 8GB GDDR6 dedicated video memory
- Storage: 512GB or 2TB NVMe SSD, plus a microSD card slot
- Connectivity: Wi-Fi 6E, Bluetooth 5.3, Gigabit ethernet
- OS: SteamOS 3 (Linux) — not Windows
Valve's stated performance target is 4K 60fps using FSR upscaling. In native rendering, that 28-CU RDNA3 graphics chip sits roughly in the same class as an entry desktop card such as an Intel Arc / RX 7600 / RTX 5050 — very capable at 1080p and 1440p, but it leans on upscaling for 4K rather than rendering it natively.
UK Price and How to Buy
- 512GB: £879
- 512GB with Steam Controller: £938
- 2TB: £1,149
- 2TB with Steam Controller: £1,208
Note how you buy it: you join a sign-up list, the list closes, and buyers are then chosen at random — it is not simply on sale to everyone on day one. If you want a gaming machine you can order today and have built this week, that is worth weighing up.
Steam Machine vs Custom Gaming PC — Side by Side
| Steam Machine | Our Custom Gaming PC | |
|---|---|---|
| Starting price | £879 (512GB) | From £762 (esports) · £969 with a discrete graphics card |
| Operating system | SteamOS (Linux) | Windows 11 — every game, plus work apps |
| Graphics power | Fixed ~RX 7600 / RTX 5050 class | Your choice — RTX 5060 with DLSS 4 up to RTX 5090 |
| Upgradeable | No — sealed unit | Yes — swap GPU, RAM and storage anytime |
| Anti-cheat multiplayer | Some big titles blocked on Linux | All run |
| How to buy | Random draw / waiting list | Order now, free next-day UK delivery after build |
| Warranty | Standard | 3 years, UK-built, £100 below eBay |
Where the Steam Machine Is a Good Choice
Credit where it is due — the Steam Machine is a clever device, and for the right person it makes sense:
- Living-room simplicity: tiny, quiet and low-power, it plugs into a TV and "just works" with a controller, like a console.
- SteamOS is polished: instant sleep/resume and a console-like interface, tuned by Valve for its own hardware.
- Great for Steam single-player libraries: if you mostly play story games and Steam-Verified titles at 1080p or 1440p, it is a tidy, hassle-free box.
If that describes you, it is a fine purchase. But if you want more power, more games, or a machine that doubles as a real computer, a custom PC pulls ahead — here's why.
Where a Custom Gaming PC Wins
1. It runs every game — including the multiplayer ones
This is the big one. Because SteamOS is Linux, several of the most popular multiplayer games do not run on the Steam Machine due to anti-cheat software that isn't supported on Linux. At launch that includes major titles such as Call of Duty, Battlefield 6, EA Sports FC 26 and Valorant (their Ricochet, Javelin and Vanguard anti-cheat systems are blocked). A Windows custom PC runs all of them, plus everything on the Epic Games Store, Xbox / Game Pass and any other launcher.
2. You choose the power — and it goes much higher
The Steam Machine's graphics are fixed at roughly RX 7600 / RTX 5050 level forever. On a custom PC you pick the graphics card to match your budget and screen — from an RTX 5060 with DLSS 4 frame generation (genuine native power, not just upscaling) all the way up to an RTX 5080 or RTX 5090 for 4K. See our 1440p and flagship build guides for the full range.
3. It's a real computer, not just a games box
A Windows PC also handles work, study, photo and video editing, streaming, web apps and everything else. The Steam Machine is built for Steam gaming first and foremost.
4. You can upgrade it
The Steam Machine is a sealed unit — what you buy is what you keep. A custom PC lets you add more storage, more RAM or a newer graphics card down the line, so it lasts longer before it needs replacing.
5. You can actually buy one today
No waiting list, no random draw. You configure it, we build it to order in the UK within about five working days, and it ships free next-day. Always £100 below the eBay price, with finance available.
The Price Reality
At first glance the £879 entry Steam Machine looks cheap — but compare like for like:
- 512GB Steam Machine — £879: a sealed Linux box with fixed entry-level graphics. Our Arc A750 Windows builds start at £969 and our RTX 5060 builds from £1,051 — a little more, but you get Windows, every game, more power and full upgradeability.
- 2TB Steam Machine — £1,149: this is the telling one. For about the same money, a custom RTX 5060 PC (from £1,051) or an RX 9060 XT 16GB build (from £1,186) gives you a full Windows desktop, a more capable graphics card, and the freedom to upgrade later.
Put simply: the Steam Machine can be a few pounds cheaper at the very entry point, but a custom PC gives you far more machine — and far more games — for similar money.
Which Should You Buy?
- Buy a Steam Machine if: you want the simplest possible plug-into-the-TV box, play mostly single-player Steam games at 1080p/1440p, don't mind Linux, don't play anti-cheat multiplayer titles, and you're happy to wait for the draw.
- Buy a custom gaming PC if: you want maximum performance for the money, play multiplayer games like Call of Duty or Valorant, want Windows for games and work, want the option to upgrade, and want to order today.
Custom Gaming PCs to Consider — Live UK Prices (June 2026)
Every build is assembled to order in the UK with a 3-year warranty. Starting prices, lowest first:
- From £762 — Esports (integrated graphics): Ryzen 5 + 16GB DDR5 + NVMe SSD. Great for CS2, Valorant, Fortnite and League at 1080p. See under-£1,000 builds →
- From £969 — Entry 1080p: Intel Arc A750 8GB + Ryzen 5 — AAA games at 1080p high, on Windows.
- From £1,051 — Sweet spot: RTX 5060 with DLSS 4 — strong 1080p/1440p and the natural step up from a Steam Machine.
- From £1,186 — 1440p: RX 9060 XT 16GB — more VRAM for sharp, future-proof 1440p gaming.
Frequently Asked Questions
Is the Steam Machine better than a custom gaming PC?
For living-room simplicity, it's excellent. For raw power, game compatibility, upgradeability and doubling as a real computer, a custom Windows PC is the stronger all-round choice — and for similar money you usually get more graphics power.
Can the Steam Machine run every game?
No. Because it runs SteamOS (Linux), several major anti-cheat multiplayer games — including Call of Duty, Battlefield 6, EA Sports FC 26 and Valorant — do not currently run on it. A Windows custom PC runs them all.
Does the Steam Machine run Windows?
It ships with SteamOS (Linux), not Windows. Our custom PCs come with Windows 11, so you get full access to every game store and every Windows application.
Can you upgrade a Steam Machine?
No — it's a sealed unit. A custom PC lets you add storage and RAM or fit a newer graphics card later, so it lasts longer.
Is a Steam Machine or a gaming PC cheaper?
The entry Steam Machine (£879) can be slightly cheaper than a discrete-graphics Windows build, but at the 2TB tier (£1,149) a custom RTX 5060 PC costs about the same while offering Windows, more power and upgrades. You're getting more machine for your money with a custom PC.
When can I buy a Steam Machine?
Valve is using a sign-up list with a random draw rather than open sale, so there's no guarantee of getting one straight away. Our custom PCs are always available to order — built in the UK within about five working days.
What's a good Steam Machine alternative in the UK?
A custom-built Windows gaming PC. Configure one online — choose your graphics card, RAM and storage, and we build it to order, £100 below eBay, with a 3-year warranty and free UK delivery.
Build your custom gaming PC — UK-built, 3-year warranty, free delivery, £100 below eBay →
About the Author
Written by the team at We Build The Perfect PC For You Ltd — a UK-based custom PC building company based in Littlehampton, West Sussex. Every PC we sell is built to order at our UK workshop, stress-tested before dispatch, and backed by a 3-year warranty. If you have questions about any build, get in touch — we're happy to help.