You probably won’t be able to run Portal RTX. I’ll just get that out of the way upfront. Based on the most recent Steam hardware survey, I’d estimate less than 10% of PCs are even capable of running Portal RTX, and it’s closer to 4% if we’re talking about any reasonable frame rate and resolution.
Portal RTX is a showcase for Nvidia’s next-gen graphics cards like the RTX 4090, and in particular, the unique frame-generation capabilities of these GPUs with DLSS 3. Even with free frames, Portal RTX taxes the RTX 4080 much more than Cyberpunk 2077 does. Modern AAA games with ray tracing don’t go through all of that hassle. A prime example is Dying Light 2‘s ray-traced flashlight. It traces rays where the flashlight hits a surface and bounces them around the room, creating a soft glow in dark areas where that lighting ends up. Critically, it doesn’t cast shadows, nor does it pick up the color properties of objects the flashlight interacts with.
Portal RTX is built on Nvidia’s RTX Remix modding toolkit, too, allowing it access to features that weren’t available in previous tech demos and that we don’t see in typical ray-traced games. The feature you’ll notice first is RTX Direct Illumination , which allows any light in a scene to cast path-traced light and shadows.
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Source: DigitalTrends - 🏆 95. / 65 Read more »
Source: DigitalTrends - 🏆 95. / 65 Read more »
Source: DigitalTrends - 🏆 95. / 65 Read more »