GTX 1660 — Serious Sam 4 Deluxe Edition at 1080p

The GTX 1660 runs Serious Sam 4 Deluxe Edition at ~36 FPS on 1080P High settings — within the 30–60 FPS playable range but below the 60 FPS smooth-play threshold. Switching from High to Medium settings typically recovers approximately 6 FPS on this GPU tier.