Originally Posted by NikonsAndVStroms
Unless they are doing a cross-fire setup.
That could be it. They sell the base spec without a video card; if you want m0ar dakka, you buy the requisite discrete solution and install it, enabling the Dual Graphics mode (which increses framerate up to +40% in DirectX 11 and higher games).
Besides, the flagship Kaveri
-based APU is rumoured to feature an on-die Radeon HD 7750. This would enable a system to play reasonably demanding titles without needing a Dual Graphics setup with a discrete card.