Competitive gaming on the Steam Deck demands more than just raw skill. To stay sharp in fast-paced titles like CS2 or Valorant, you need every frame and millisecond to count. The good news? The Steam Deck can be tuned to squeeze out extra FPS and minimize input lag, and I’ve tested every tweak myself.
Step 1: Set the Refresh Rate to 120Hz
The Steam Deck’s 120Hz screen is one of its best features for competitive players, but it’s not always enabled by default. Head to Settings > Display and manually set the refresh rate to 120Hz. This alone can make aiming feel smoother and more responsive, especially in FPS games.
According to Steam Deck’s official specs, this feature is fully supported: don’t skip it.
Step 2: Tweak In-Game Graphics Settings
Don’t rely on auto-detected settings. Go into your game’s video options and disable shadows, anti-aliasing, and ambient occlusion. Set textures to low or medium. You’ll gain precious FPS without losing critical visual clarity.
For example, in CS2, turning off MSAA and lowering shadow quality can boost performance by 10-15 FPS, a game-changer in clutch situations.
Step 3: Enable FSR or DLSS (if available)
FidelityFX Super Resolution (FSR) is a must for competitive players. Set it to Performance mode with sharpening around 6-8. This upscales the game while keeping the native resolution feel intact.
Some games like Valorant support DLSS as well, just make sure to test both options and see which gives you the best balance of clarity and performance.
Step 4: Lower the Resolution (Temporarily)
If you’re still struggling with frame rates, lower the resolution in Settings > Display to 1280×720. You’ll lose some sharpness, but the performance gain can be massive. Once you’ve locked in your ideal settings, bump it back up to native 1280×800 for clarity.
Step 5: Monitor FPS and Temperatures
Use the built-in performance overlay (Start + Power) to monitor real-time FPS and temperatures. If your game consistently dips below 60 FPS, consider undervolting or adjusting CPU governors in Desktop mode.
Keep an eye on thermal throttling, it’s a sneaky FPS killer in longer sessions.

Competitive Edge is in the Details
Competitive gaming on Steam Deck isn’t about one magic setting, it’s about stacking small gains. From 120Hz refresh rate to FSR, every tweak adds up. I personally saw a jump from 45 FPS to 65+ in Valorant by following these steps, and that’s the difference between landing a headshot and missing entirely.
FAQ
Can I use external tools to improve FPS on Steam Deck?
Yes! tools like SteamDeck FPS Limiter can help stabilize frame rates and reduce stuttering in competitive games.
Does lowering resolution affect aiming accuracy?
Not directly, but lower resolutions can make targets appear less sharp. It’s a trade-off between performance and clarity, test what works best for your eyes and game.
Is overclocking safe on Steam Deck?
Overclocking is possible in Desktop mode, but not recommended for sustained use. The Deck’s thermal limits mean overheating can quickly negate any performance gains.