Compared to Alessandro’s work these images lay more emphasis to the interiors and the tools they used for creating them are also different. Anton used 3DS Max for design and VRay for rendering while Alessandro chose Maya with MentalRay for rendering.
For the clueless, this level of photorealism is very difficult to achieve in computer aided design and if you are capable of doing this it means that you are the very cream of the trade you practise.