In an effort to put things into perspective - AMD & Nvidia have been developing GPU's and drivers for them for decades.
It is not at all surprising that Team Blue's early efforts are not competitive and don't exactly measure up against their competition.
To bad for MSI and a few others that sipped to much of Intel's marketing Kool-aid and wasted time/effort/$$$ attempting to make a viable product.
Put realistically the marketing hype behind ALL the handheld products are a bit much. Yes many of them will "run" many games but at what resolution/quality/FPS and for how long?