![]() I’d already played through and wrote about Portal previously, having greatly enjoyed the game’s innovative mechanics and sense of humour. For me, Portal With RTX represents a test of my hardware’s capabilities.Of course, if one wished to experience the original, that option continues to remain viable: the old game isn’t going anywhere, and upon returning to it after completing Portal With RTX, it is apparent that the original still holds up extremely well. The new visuals in Portal With RTX serve to both bring life to an old classics, as well as tell a different story about Aperture Sciences, and in this way, one can make a clear case that Portal With RTX is anything but soulless. Clean, polished surfaces show an institute that was, at one point, a serious competitor to Black Mesa. Moving through the test chambers, it is apparent that, rather than depriving Portal of its character, the updated visuals actually speak to an Aperture Science that is at its prime. NVIDIA had chosen to showcase segments of the game where the differences were especially profound, but for folks playing through Portal With RTX, the visuals actually aren’t too dramatically changed: after marvelling at the reflections from the Heavy Duty Super-Colliding Super Button, emissive effects from the high-energy pellets and dynamic shadows (all computed in real time), it’s time to focus on the puzzles themselves. In practise, this is untrue although Portal With RTX has new, high-resolution textures to showcase just how sophisticated the RTX Remix lighting is, the overall aesthetic in Portal With RTX remains respectful to the visuals of the original. As a result, the remaster was unnecessary, and hardly any justification for playing Portal With RTX. Initial impressions of Portal With RTX had been met with skepticism: video games journalist Ben Sledge writes that the highly reflective, clean surfaces of the remaster defeats the visual impact of the original game, where there had previously been dull, lifeless walls, and as a result, the soul of Portal had been “ripped out”. In this way, I was able to revisit an old experience given a fresh coat of paint. Although the RTX 3060 Ti is far outstripped by the RTX 4090, the fact that this mid-range card is able to run Portal With RTX without any major issues speaks volumes to the build I put together back in March. On my RTX 3060 Ti, which is about 30 percent more powerful than the RTX 3060, I’ve managed to get Portal With RTX running at manageable frame rates, with reasonable quality. The extreme requirements in Portal With RTX has meant that getting the game to run has been a toss-of-the-coin. For the present, real-time ray-tracing remains more of a curiosity, but when judiciously applied, the lighting and visuals can act as a fantastic showcase for what is possible. The variability in performance and experience demonstrate that, as exciting as ray-tracing techniques are, and as exciting as the prospect of having real-time ray-tracing hardware become mainstream is, the technology still has a way to go before it can become widespread. On the other hand, while the minimum GPU suggested is the RTX 3060, folks have reported that they’re struggling to run Portal With RTX, even though they’re running video cards that are more powerful than the RTX 3060. ![]() In order to play Portal With RTX at 4K and 60 FPS, with everything set to ultra, NVIDIA’s RTX 4080 is recommended. There is, however, a trade-off: because of how computationally expensive path-tracing is, Portal With RTX demands the most powerful hardware in order to run at maximum quality and resolution. Here in Portal With RTX, NVIDIA Remix’s use of path-tracing means that the end-result is a highly advanced showcase of what lighting effects are possible: because everything is done using ray-tracing, illuminations, shadows, reflections and even refractive effects are especially impressive, breathing new life into an iconic game. RTX Remix uses path-tracing, which uses a comparatively simple algorithm to render high-quality images at the expense of performance as lighting becomes more sophisticated, path-tracing becomes more demanding, and typically, games utilise more efficient variants of path-tracing that may not be quite as visually impressive. Using machine learning, RTX Remix dynamically computes how lighting should behave, allowing it to interact with objects in a 3D space in real-time. To showcase their new line of Lovelace GPUs and RTX Remix, NVIDIA also determined that Portal was worth reimagining. “Just because something doesn’t do what you planned it to do, doesn’t mean it’s useless.” –Thomas Edisonīack in September, NVIDIA’s announcement of Portal With RTX generated a bit of buzz: the original Portal is now fifteen years old.
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