Here's what my character Jess looks like in still renders made with Daz Studio. These take between roughly 30 seconds and two minutes each on my GTX 1070. So you can see that it's going to be a while before you get this in something like Unity. Although I think Unity is doing a pretty good job already.
(https://i0.wp.com/widdershinsstudio.uk/wp-content/uploads/2015/08/jessone.png)
(https://i1.wp.com/widdershinsstudio.uk/wp-content/uploads/2015/08/jessthree.png)
(https://i0.wp.com/widdershinsstudio.uk/wp-content/uploads/2015/08/jessfour.png)