Both AMD and Nvidia have upscaling technologies which generally allow for a higher resolution image of otherwise lower quality renders. In the Nvidia corner you have Deep Learning Super Sampling, or DLSS which has been around for a few years. It’s a fairly complicated and resource hungry process, but it’s a big part of why we are seeing more and more real-time ray tracing in games.
AMD’s solution is called AMD FidelityFX Super Resolution (FSR) and it’s a very different approach. Rather than
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