Cities: Skylines: PC System Requirements & Best Hardware to Run It (2026)

Thinking about playing Cities: Skylines on PC and wondering what hardware you actually need? Cities: Skylines is a modern take on the classic city simulation, released on March 10, 2015 and filed under Simulation and Strategy on Steam. Because it is an older, lightweight title, the hardware bar is low: the official minimum specs are modest and the recommended specs sit years behind current entry-level gaming hardware. The catch is the simulation itself — as your city grows, the CPU does more work, and mods and custom assets push memory and storage usage up. This guide covers the official PC requirements for Cities: Skylines, the best GPU for each resolution, and complete build recommendations.

How Demanding Is Cities: Skylines?

Cities: Skylines is not a demanding game. It launched in 2015 and its renderer is light: the official minimum lists a GeForce GTS 450, a Radeon R7 250, or even Intel Iris Xe integrated graphics, while the recommended tier is a GTX 580 or RX 560. Any modern discrete GPU clears both bars comfortably, and running at 1440p or 4K is limited more by your monitor than by the game’s rendering load. The part that scales is the simulation — as a city grows, and especially once you add mods and custom assets, the CPU and system memory do more work, so a stuttering late-game city is usually a CPU, RAM or storage issue rather than a graphics one. The figures below are the developer’s own published requirements, so check the game’s official store page for the exact wording.

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Cities: Skylines Official PC System Requirements

Source: the official Cities: Skylines Steam store listing (app 255710), checked October 2026. Publishers can update these specs after patches.

Best GPU for Cities: Skylines by Resolution

1080p

At 1080p you are already well past the official minimum with almost anything modern. The recommended card is only a GTX 580 or RX 560, so current entry-level GPUs such as the RTX 5060 or RX 9060 XT are far more than the game needs, and older cards like the GTX 1060 or RX 580 still handle 1080p without trouble. The AMD Radeon RX 7600 (or a comparable card) is a sensible pick if you want one GPU that also covers newer games, but for Cities: Skylines specifically it is headroom rather than a requirement.

1440p

1440p is not a stretch for this game’s renderer. The NVIDIA GeForce RTX 4070 SUPER will run Cities: Skylines at 1440p without difficulty, and so will much cheaper options such as the RTX 5060 or RX 9060 XT, or older cards like the GTX 1660 Super or RX 5600 XT. Because the GPU is rarely the bottleneck here, pick your card for the other games you play and let Cities: Skylines ride along.

4K

At 4K the game is still light by modern standards, but you want a card with enough VRAM and memory bandwidth for the resolution, plus a strong CPU for large cities. The NVIDIA GeForce RTX 4070 Ti SUPER is more than enough, and an RTX 5070 or RX 9070 would do the job as well. None of that is required by the game’s own spec sheet, which tops out at a GTX 580, so treat 4K capability as a bonus for the rest of your library.

CPU, RAM and Storage for Cities: Skylines

The CPU requirement is where Cities: Skylines shows both its age and its genre: the official minimum is an Intel Core i7 930 or AMD FX 6350, and the recommended is an i7 2700K or Ryzen 7 2700X. Those are old parts, but the recommendation is relatively strong next to the recommended GPU, which reflects how the game works — the simulation scales with city size, so a faster processor helps once population, traffic and services grow. A modern chip like the AMD Ryzen 5 7600 is far beyond the recommended tier, while the AMD Ryzen 7 7800X3D is one of the fastest gaming CPUs available if you also play CPU-heavy titles. Intel fans can opt for the Intel Core i5-14600K. Memory matters more than usual here: 8 GB is the official minimum and 16 GB is officially recommended, and mods plus custom assets can push you past that, so a 32 GB kit such as the Corsair Vengeance DDR5 32GB is comfortable headroom. Storage is the lightest requirement of all — the game asks for just 4 GB of free space, so an SSD is a quality-of-life upgrade rather than a necessity; a fast drive like the Samsung 990 Pro 2TB NVMe SSD mainly shortens load times and asset loading in modded setups.

Recommended PC Builds for Cities: Skylines

1080p budget build: AMD Radeon RX 7600 + AMD Ryzen 5 7600 + 16 GB DDR5 — well above the official recommended specs, and enough for high settings at 1080p in Cities: Skylines while leaving room for newer games.

1440p sweet-spot build: NVIDIA GeForce RTX 4070 SUPER + AMD Ryzen 7 7800X3D + 32 GB DDR5 + 2TB NVMe SSD — the graphics card is more than this game needs, so the real value is the CPU and memory headroom for very large or heavily modded cities.

4K high-end build: NVIDIA GeForce RTX 4070 Ti SUPER + AMD Ryzen 7 7800X3D + 32 GB DDR5 + fast NVMe SSD — comfortable at 4K in this game, with the strong CPU doing the heavy lifting once the simulation grows.

Is It Worth Upgrading Your PC for Cities: Skylines?

If your PC falls below the official minimum, upgrading is cheap and easy, because the bar is very low — almost any current entry-level GPU and CPU will clear it. If you are already above the minimum, be strategic: the graphics card is rarely the limiting factor in Cities: Skylines, so spending there buys you very little for this game specifically. The parts that change how it feels are the CPU, which carries the simulation as your city grows, and system memory, which mods and custom assets eat into quickly. Moving the game to an SSD helps load times, particularly with a large mod collection. Rather than replacing everything at once, target the weakest link in your build.

Can You Play Cities: Skylines on a Laptop or Handheld?

Cities: Skylines runs on almost anything portable. Gaming laptops with a modern discrete GPU are far beyond what it needs at 1080p, and even integrated graphics on the level of Intel Iris Xe meet the official minimum. On handhelds like the Steam Deck and ROG Ally, this older, lighter game runs comfortably at sensible settings, making it a great portable pick — though very large or heavily modded cities remain CPU- and memory-limited, and a big mod library takes up storage. If portability matters, prioritise a device with a decent CPU and enough room for your mods.

How to Boost FPS in Cities: Skylines

If frame rates are low, start with the basics. This is an older title, so modern upscaling features may not be available in the base game; the reliable levers are resolution and the in-game graphics settings. Lowering your display resolution is the single biggest change you can make, and turning down the more expensive visual options, such as shadow quality and level of detail, helps on older hardware. In a city-builder, though, low frame rates late in a save usually come from the simulation rather than the renderer: pausing or slowing the simulation, trimming your active mod list, and closing background apps can do more than any graphics setting. Keep your GPU drivers up to date and install the game on an SSD to cut load times.

Frequently Asked Questions

Can my PC run Cities: Skylines?

The official minimum is an Intel Core i7 930 or AMD FX 6350, 8 GB of RAM, and a GeForce GTS 450, Radeon R7 250 or Intel Iris Xe G7, with 4 GB of free storage and Windows 10 64-bit. That is a low bar, and most PCs built in the last decade clear it. For the officially recommended experience — an i7 2700K or Ryzen 7 2700X, 16 GB of RAM and a GTX 580 or RX 560 — almost any modern CPU and GPU will do.

Is Cities: Skylines demanding on PC?

No. It is a 2015 city-builder with very low official requirements, and even integrated graphics meet the minimum. The one thing that grows with your city is the simulation load, so very large or heavily modded cities can become CPU- and memory-limited regardless of your graphics card.

What GPU do I need for Cities: Skylines at 1440p 60fps?

The official recommended GPU is a GTX 580 or RX 560, so 1440p at 60fps is not a high bar for a modern card — an RTX 5060 or RX 9060 XT is already plenty. The NVIDIA GeForce RTX 4070 SUPER will handle 1440p in this game with a large margin, and it comfortably covers newer titles too. In practice, a strong CPU and enough RAM matter more than the GPU once your city gets large.

How much RAM does Cities: Skylines need?

The official minimum is 8 GB and the official recommendation is 16 GB. 16 GB is the sensible target for a modern system, and if you use mods or custom assets — a big part of the Cities: Skylines community — 32 GB gives you useful headroom. Memory capacity matters far more here than memory speed.

Do I need an SSD for Cities: Skylines?

Not strictly. The game only requires 4 GB of free space and will run from a mechanical drive. That said, an SSD noticeably shortens load times, especially with a large mod collection, and a fast NVMe drive like the Samsung 990 Pro is a good general-purpose choice for modern games.