It’s always a big letdown when new performance-boosting technologies come out but aren’t supported in all games. That’s been the case with AMD’s fourth-generation resolution upscaling technology, FidelityFX Super Resolution (FSR 4), which remains exclusively supported on AMD’s new 9000-series RDNA 4 graphics cards.
FSR 4 isn’t widely available, not even across high-profile games. Cyberpunk 2077 fans, for example, have been unimpressed that CD Projekt Red hasn’t yet gotten around to adding FSR 4 support.
So, what’s a gamer to do? Well, you could go out and buy a new Nvidia RTX 50-series card to reap the benefits of DLSS 4 instead, which is the competitor technology to AMD’s FSR 4. But you likely aren’t keen on that option if you’ve already invested $600 in a new AMD GPU.
Thankfully, you have another option due to the efforts of one modder who has created an app that unlocks FSR 4 in games that don’t support it. The OptiScaler app by High Yield makes FSR 4 work in any game that supports Nvidia’s DLSS 2 (or later) or Intel’s XeSS. Additionally, it can enable Frame Generation in games that don’t support it, and it can even add anti-lag support through Nvidia Reflex technologies.
In order for the app to work, though, you need to have DirectX 12 installed and either a Radeon RX 9070 or RX 9070 XT graphics card. But the results speak for themselves and make it all worth it.
High Yield shows off full path tracing with 60+ FPS at 1440p resolution with FSR 4 in Cyberpunk 2077, powered by an AMD RX 9070 XT and OptiScaler, with textures that look almost too good to be real. Other gamers have also begun posting their own YouTube videos of games with FSR 4, and there’s no doubt FSR 4 makes a marked difference to the image quality in side-by-side comparisons with FSR 3.
While OptiScaler is great news for gamers with AMD Radeon 9000 series GPUs, it’s worth noting that it isn’t officially sanctioned by AMD, so there’s no guarantee it’ll work flawlessly all the time. Indeed, there may be some bugs that need ironing out in some instances. Some tech-savvy gamers have pointed out, for example, that it may not work for games with anti-cheat since it’ll likely detect OptiScaler’s modified files.
Until more games get FSR 4 support, though, I’m glad OptiScaler exists. You can find a list of FSR 4 compatible games here.
https://www.pcworld.com/article/2637010/this-free-app-unlocks-amds-fsr-4-for-unsupported-games.html
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