Ask futuremark. I cannot accurately answer your question.
However, let's be clear..this is a software benchmark. As such, it is more than possible for futuremark to integrate parts of exisiting rendering engines together to create a benchmark. Before I start making conspiracy claims, I'll look to the more realistic answers...
Besides, pcpop is the original poster of these pics, AFAIK. I get the FM newsletters and marketing spam, and not one of them is from the newsletter, as the OP suggests.

