Complex sentence: It is best known for Unlimited Detail, a 3D rendering technology for displaying unlimited point cloud data in real-time that is comparable to traditional voxel rendering; a similar but altogether different technology.
Split into simpler sentences: It is best known for Unlimited Detail, a 3D rendering technology for displaying unlimited point cloud data in real-time. The methods employed by Unlimited Detail is comparable to traditional voxel rendering; a similar but altogether different technology.