"Nvidia, AMD, and Intel have all made high-quality image upscaling a cornerstone feature of their new GPUs this decade. Upscaling technologies like Nvidia's Deep Learning Super Sampling (DLSS), AMD's FidelityFX Super Resolution (FSR), and Intel's Xe Super Sampling (XeSS) are all ways to transform a lower-resolution source image into a higher-resolution image, delivering better-looking games without requiring as much graphics hardware as you'd need to render the higher-resolution image natively."
"Generally speaking, Nvidia's DLSS technologies have provided better image quality than AMD's FSR, but they have only been available on newer Nvidia hardware-the GeForce RTX 20-series or newer for most features, with frame-generation features locked to the RTX 40- and 50-series. FSR's results don't look as good, but they have benefited from running on just about anything, including older GPUs, Nvidia GPUs, and even integrated Intel and AMD GPUs."
High-quality image upscaling has become a central GPU feature, with DLSS, FSR, and XeSS transforming lower-resolution images into higher-resolution outputs to reduce rendering cost. Nvidia's DLSS has typically offered superior image quality but required newer Nvidia GPUs, while FSR prioritized broad compatibility across many GPU generations. AMD's FSR Redstone introduces ray-tracing and frame-generation features to raise image quality and ease implementation for developers already using FSR 3.1 or FSR 4. FSR Redstone's availability will be restricted to AMD's latest RDNA4 GPUs, including the Radeon RX 9070 and RX 9060 series.
Read at Ars Technica
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