When NVIDIA debuted DLSS 2.0, it established a series of presets that correspond to certain resolution scaling factors. "Input resolution," then, is the actual internal render resolution of the game before upscaling happens. When talking about these methods, we'll use the terms "input resolution" and "output resolution." The output resolution is what we would traditionally be talking about when discussing a game's native resolution it's the resolution of the window or display on which the game is running. DLSS is generally agreed to look the best, but is limited to a relatively smaller subset of the market, and has other caveats. It's very easy to implement a simple upscaling feature, but FSR will give a small bump in quality while maintaining full cross-vendor compatibility. Modern games typically use one of three methods to perform resolution upscaling: NVIDIA's Deep Learning Super Sampling ( DLSS), AMD's FidelityFX Super Resolution ( FSR), or a simple upscale, perhaps with bilinear filtering or similar. It's possible to separate the demanding 3D game graphics from the lightweight 2D HUD or UI elements, so those are usually rendered at full output resolution to retain sharpness. It then renders the game at a reduced size before scaling it up to the output resolution. This means separating the 3D render resolution of the game graphics from the final resolution of the output surface (the display, or window). These days, computer and video games very frequently use "resolution upscaling" to improve performance at the cost of some image quality. The Scale of Things In Performance Testing Modern PC Games We'll go over the performance data in detail in a moment, and then look at some image quality comparisons, but before we get into any of that we need to have a brief discussion about benchmarking modern games using resolution scalers. We tested Dying Light 2 with a handful of powerful graphics cards inside a beefy Ryzen 7 5800X system. NVIDIA GeForce RTX 3070 Ti Founders Edition Some people might say that makes the game forward-looking, that it can "scale into the future." That's definitely true, but in the here and now, it also makes the game kind of a pig to run on current hardware. Simply put, Dying Light 2 is incredibly demanding, and it puts a heavy load on both CPU and GPU resources.
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