doesitrunSteam Library Hardware Check created by chicksawin cooperation with Lumnop
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Demon Source

Can I run Demon Source on a GeForce RTX 4090?

Yes, it runs468 FPS 1080p High

With a GeForce RTX 4090, Demon Source runs at about 468 FPS at 1080p High. See the FPS for every resolution and quality level below.

Demon Source: FPS on a GeForce RTX 4090

Estimated with a Ryzen 5 7600 and 16 GB RAM, native resolution (no upscaling).

Not yet checked against benchmarks, a rough estimate that can be off by 25 % or more.

ResolutionLowMediumHighUltra
1080p500+500+468365
1440p500+467346270
4K379284210164

Best-looking setting for 60 FPS at 1080p: Ultra (native), ~365 FPS

How we estimate FPS →

Demon Source system requirements

MinimumRecommended
OSWindows 10+–
ProcessorIntel i3+estimated ≈ Core i5-2500K class (from the minimum specs)
GraphicsGeForce GTX 680estimated ≈ GTX 1060 class (from the minimum specs)
Memoryestimated 12 GB (typical for a 2026 game)estimated 16 GB (typical for a 2026 game)
Storage2500 MB available space–

Will it run on my PC?

This page assumes a GeForce RTX 4090. For your real hardware, check your whole Steam library at once:

Demon Source on other graphics cards

Frequently asked questions

Can I run Demon Source on a GeForce RTX 4090?
Yes. Demon Source runs at about 468 FPS at 1080p High on a GeForce RTX 4090.
How many FPS does Demon Source get on a GeForce RTX 4090?
About 468 FPS at 1080p on High, at native resolution. The full table for every resolution and quality level is above.
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