Thanks to all, I have edited my answer adding "budget". It's the main reason why I need "customizable" laptop. I have pick up this configuration from HP Store, starting with $1446 ending on $1013.04. Check it please:
EliteBook 755 G4 with:
-- AMD PRO A12-9800B (2.7 GHz, up to 3.6 GHz with Turbo...