Removing sortObjects = false on this one doesn't seem to affect performance either.

examples/webgl_performance.html

@@ -79,7 +79,6 @@
 
 				renderer = new THREE.WebGLRenderer( { clearColor: 0xffffff } );
 				renderer.setSize( window.innerWidth, window.innerHeight );
-				renderer.sortObjects = false;
 				container.appendChild( renderer.domElement );
 
 				stats = new Stats();