http://www.pcgamer.com/intels-8th-gen-g-series-processors-pack-rx-vega-m-graphics/

Last year, Intel announced that it would be bringing a custom AMD Radeon RX Vega graphics solution onto its processor package, and today marks the official launch of the new 8th Gen Intel Core CPUs with RX Vega M graphics, with G-series branding. In effect, these are quad-core Kaby Lake processors (H-series mobile parts), only with a separate Vega GPU and HBM2 memory. These are currently mobile solutions, and while they will also appear in all-in-one devices or compact systems like Intel's upcoming 8th Gen NUC8i7HVK and NUC8i7HNK, we don't expect to see full desktop implementations.

There are five new processors, four i7 models and one i5 model. Here are the full specifications: