Vrender - https://vrender.com
Exterior and interior real time architectural visualization interactive project created using Unreal Engine 4.
The scene runs in real time at 80- 90 fps on a GTX980.
More photo-realistic shots and info from this project https://vrender.com/real-time-architectural-visualization-project/
Project Video https://www.youtube.com/watch?v=7AUP4e-ESlY