There's a WebGL (and Threejs) setting for whether to use a discrete GPU: 'powerPreference' [1, 2], with the caveat: "Note that this property is only a hint and

There's a WebGL (and Threejs) setting for whether to use a discrete GPU: 'powerPreference' [1, 2], with the caveat: "Note that this property is only a hint and a WebGL implementation may choose to ignore it." 1: https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.2 https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.2 2: https://threejs.org/docs/#api/en/renderers/WebGLRenderer https://threejs.org/docs/#api/en/renderers/WebGLRenderer