Nvidia’s expanded Zorah demo tells us how AI is the future of graphics: ‘There’s no rasterization going on at all. This is all ray traced and the amazing part is that it’s actually faster than rasterizing’
March 19, 2025
At this year’s GDC event, Nvidia showed off an updated version of its Zorah demo from the GeForce RTX 50-series launch, with changes including controls that allowed one to view the scenes to see features such as RTX Mega Geometry in full action. In a panel discussion about the demo and everything neural rendering, Nvidia confirmed one thing that we all suspected but also one thing that might surprise you—Zorah is 100% ray tracing and it’s faster this way than if it used rasterization.
For as long as I’ve been messing around with 3D graphics (almost 30 years), I’ve loved seeing GPU vendors release a cool standalone demo to showcase new rendering tricks or some fancy hardware feature. Over the years, they’ve somewhat fallen by the wayside, replaced by games as the best choice for showing off your new graphics card.
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