diff --git a/client/src/core/Renderer.ts b/client/src/core/Renderer.ts
index bc742730..57b0d0c7 100644
--- a/client/src/core/Renderer.ts
+++ b/client/src/core/Renderer.ts
@@ -145,7 +145,7 @@ export default class Renderer {
 
     this._ambientLight = { color: new Color(), intensity: 1 };
     // Anti-aliasing is handled in post-processing
-    this._renderer = new WebGLRenderer({ antialias: false });
+    this._renderer = new WebGLRenderer({ antialias: false, powerPreference: 'high-performance' });
     this._sceneUiRenderer = new CSS2DRenderer({ element: document.getElementById('scene-ui-container')! });
     this._scene = new Scene();
     this._viewModelScene = new Scene();
diff --git a/client/src/settings/SettingsManager.ts b/client/src/settings/SettingsManager.ts
index 7aa794e7..1976c3bc 100644
--- a/client/src/settings/SettingsManager.ts
+++ b/client/src/settings/SettingsManager.ts
@@ -178,13 +178,13 @@ const LOW_FPS_THRESHOLD_RATIO = 0.50;
 // If the FPS stays above or below the threshold for the specified duration, we attempt to adjust
 // quality. Since increasing quality might degrade performance and force us to revert it
 // later, we apply upgrades more cautiously than downgrades.
-const QUALITY_UP_TIME_THRESHOLD = 5;
+const QUALITY_UP_TIME_THRESHOLD = 3;
 const QUALITY_DOWN_TIME_THRESHOLD = 3;
 
 // Client and game initialization involve many heavy processes, often causing FPS to drop.
 // Using FPS values during this time may lead to unnecessarily lowering quality. To avoid this,
 // quality changes are disabled for a set time after receiving the World Packet.
-const QUALITY_ADJUSTMENT_WARMUP_TIME = 10;
+const QUALITY_ADJUSTMENT_WARMUP_TIME = 5;
 
 // Good FPS may trigger a quality increase, which could then lower FPS and cause a downgrade,
 // potentially leading to repeated up/down quality switches. This can cause visible flickering