AMD Ryzen™ Mobile Processors with Radeon™ Vega Graphics
Up to 10% average performance gains .. vs. 17.40 launch drivers.. Up to 17% average performance gains in eSports™ titles ...
Indicates the issue with testing new AMD (or Nvidia) CPUs and GPUs -- usually, the first drivers are not optimized. So, one cannot fairly compare a new design GPU to an established GPU until the drivers are fully optimized (usually takes months, not days).