Sebastian Aaltonen: We are eagerly waiting to get our hands dirty with DirectX 12. It's definitely possible that Xbox One will also get a performance boost from a new low-level API.
Sebastian Aaltonen: Microsoft has announced that DirectX 12 has several efficiency improvements over DirectX 11. It seems to be a very well-designed API. As a long time console developer, I love to get my hands dirty with the low-level resource handling and data synchronisation also on PC. This will allow developers to create games that will never drop frames. On current high-level PC APIs, you can get unexpected stalls, because the GPU driver chooses to do memory reallocation or transfer some data unexpectedly though the slow PCI Express bus.