I know they havent even been announced yet, but are they going to share the same architecture as the Fury/Nano/Fury-x?
No. Fury uses 28nm GCN1.2 Fiji, the R9 480 will be 14nm GCN4.0(not sure) Polaris 10 "Ellesmere".
There is this > AMD unveils Radeon M400 series for notebooks...starting with rebadges
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