When it comes to mobile computing, there are usually three camps of people those who want (1) max battery (2) max performance (3) balanced between both. Today, we are going to focus on the second group, those who want to max out the Surface Book or Surface Pro 4. The heart of this trick relies on increasing the integrated Intel HD 520 GPU from ‘balanced’ to ‘max performance’. In real life terms, this means taking the HD 520 from 750 MHz to 1000 MHz and yes, it makes a difference. Here is our tutorial, which is also available in video format.