How Many FPS Does Cities: Skylines II Get with RTX 5090? Performance at 1080p, 1440p & 4K
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Cities: Skylines II system requirements
Official minimum and recommended requirements published by the developer.
Minimum
Recommended
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RTX 5090 Specifications
Want the exact Cities: Skylines II FPS with your RTX 5090?
These FPS assume a reference CPU. Add your real processor and RAM and we'll tailor the estimate to your rig.
- Estimate tailored to your rig
- Customize resolution, quality, and RAM
Cities: Skylines II benchmark on RTX 5090: FPS by resolution and quality
Pick yours and we recalculate the whole table above with it.
Cities: Skylines II FPS with a RTX 5090 and a Intel Core i5-13400
| Quality | 1080p (Full HD) | 1440p (2K) | 4K (Ultra HD) |
|---|---|---|---|
| Ultra | 138FPS min 83Excellent | 122FPS min 79Excellent | 94FPS min 70Good |
| High | 180FPS min 109Excellent | 158FPS min 102Excellent | 122FPS min 91Excellent |
| Medium | 235FPS min 142Excellent | 207FPS min 133Excellent | 160FPS min 120Excellent |
| Low | 304FPS min 183Excellent | 268FPS min 173Excellent | 207FPS min 155Excellent |
| Bottleneck (estimated) | CPU 46% | CPU 39% | CPU 21% |
The percentage estimates how much of the stronger component's capability goes unused because of the other one.
This one does matter: from the Intel Core i9-14900K downwards the processor becomes the brake on the RTX 5090. There is 18% between the slowest and fastest CPU in the table. One caveat: this is at 1080p, where the CPU weighs most. At 1440p and 4K the graphics card takes over and the processor stops mattering.
DLSS performance: FPS with AI upscaling
Upscaling renders Cities: Skylines II at a lower internal resolution and reconstructs the image, so you trade a little sharpness for extra frames. These are the estimated figures for the RTX 5090 with DLSS enabled, starting from its native Ultra FPS.
| Resolution | Native | DLSS Quality | DLSS Performance | + Frame generation |
|---|---|---|---|---|
| 1080p | 138 | 173 | 200 | 294 |
| 1440p | 122 | 165 | 201 | 281 |
| 4K | 94 | 136 | 174 | 231 |
Frame generation inserts intermediate frames: it raises the smoothness you see on screen, but it does not reduce input latency, so use it selectively in competitive games.
About ray tracing: every figure on this page is with ray tracing off. The RTX 5090 does have dedicated hardware for it, so you can turn it on in games that implement it. The FPS cost swings widely depending on how much ray tracing each title uses, and DLSS is exactly what people lean on to pay for it.
Estimated figures. The real gain varies by game and by the version of the technology.
Is the CPU or the graphics card holding you back?
These FPS assume a mid-range CPU that isn't a bottleneck — roughly a Intel Core i5-13400 — and 16 GB of RAM.
With that CPU, the RTX 5090 has headroom to spare in Cities: Skylines II: the processor runs out before the graphics card does. A faster processor would gain you FPS; a stronger graphics card would barely help.
Is the RTX 5090 Enough for Cities: Skylines II?
The RTX 5090 delivers 138 FPS at 1080p Ultra in Cities: Skylines II. More than enough for 144Hz. You can comfortably play at 1440p.
At 1440p it gets 122 FPS and at 4K 94 FPS at Ultra quality.
This GPU is more than enough — you can play at 1440p or 4K comfortably
Want more FPS in Cities: Skylines II?
Our guide collects the settings that give between +40% and +90% FPS in Cities: Skylines II with barely any visual loss. Recommended settings, GPU-specific tips (NVIDIA/AMD/Intel) and solutions to common game issues.
