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What is Frame Generation For?<\/h2>\n
For the uninitiated, it\u2019s easy to look at frame generation and just assume it\u2019s a magical boost to your frame rate. But to understand why it\u2019s a bad thing to lean on frame gen in order to hit 30 fps, it\u2019s important to know how this technology actually works. <\/p>\n
Essentially, frame generation uses a machine learning model to generate frames based on a rendered frame and motion vector data taken from the game engine. While this frame is being generated by your GPU, the actual rendered frame is held back for a tiny bit, and then both the original frame and the generated frames are then paced out by either your CPU or your GPU. <\/p>\n
By its very nature, this process introduces latency, or input lag. At a higher frame rate, the added latency is barely noticeable, if at all, but there\u2019s a reason that even AMD and Nvidia recommend that this feature is only turned on if you\u2019re already getting a decent frame rate \u2013 typically at least 30 fps, but preferably 60 fps or above. At a lower frame rate, like the 15 fps suggested by these Lego Batman requirements, you\u2019re already getting extremely high latency, and frame generation will only make it worse, even if it \u201clooks\u201d more smooth. <\/p>\n
Not to mention, at lower frame rates, there isn\u2019t enough data generated by the rendered frames and the motion data to accurately generate an extra frame. That means, the lower your frame rate is when you enable frame gen, the more likely you\u2019re going to run into artifacts and other visual glitches. <\/p>\n
It\u2019s too early to know whether or not Lego Batman: Legacy of the Dark Knight will actually<\/em> run at such a low frame rate without frame generation. But if it does, playing this game is going to be an awful experience unless you have a powerful enough gaming PC to brute force good performance out of it. <\/p>\n What makes things even weirder is that TT Games requires at least an Nvidia GeForce GTX 960 to run Legacy of the Dark Knight, which would be a pretty modest spec on its own. But, even with this now-ancient graphics card, it\u2019s still recommending frame generation \u2013 but DLSS frame gen doesn\u2019t even work on this old of a GPU. <\/p>\n Instead, for these older GPUs, TT Games is relying on FSR or XeSS frame generation, which still works much in the same way as Nvidia\u2019s tech, but because it\u2019s not accelerated by specialized cores in the GPU, it\u2019s slower and not as accurate. That just makes a bad performance situation even worse. <\/p>\n Crimson Desert was another game that relied on FSR frame generation to boost performance on handhelds like the Steam Deck or Xbox Ally X, for instance, but that game relied on this technology to reach 60 fps, not 30 fps. <\/p>\n TT Games doesn\u2019t even mention handhelds in the system requirements for Legacy of the Dark Knight, so it\u2019s pretty safe to assume this game isn\u2019t going to run well on portable systems. And that\u2019s a shame, because it\u2019s the type of game that\u2019d be awesome to pull out on the train or on a long flight across the country. <\/p>\n What\u2019s particularly wild about Lego Batman: Legacy of the Dark Knight having such ridiculous PC requirements is that the best PC games so far this year have been extremely well optimized. Crimson Desert, Resident Evil: Requiem and Pragmata have all run like a dream, and while none of these games are running on Unreal 5, they do make the latest Lego game stand out a bit more. <\/p>\n What makes it worse is that these Lego games are designed for kids, and while there\u2019s sure to be some out there whose parents have expensive rigs, it\u2019s entirely possible that these inflated system requirements are going to place the game out of reach for many. <\/p>\n Just based on the previews we\u2019ve seen so far, Legacy of the Dark Knight does look<\/em> very nice. It\u2019s making good use of what appears to be ray traced global illumination and reflections, and the cloth textures on the detective\u2019s cape look excellent. But if all of that comes at the cost of a playable frame rate, it\u2019s just not worth the trade off \u2013 at least not on PC. <\/p>\n If TT Games\u2019 system requirements are accurate, most people will be better off playing this game on consoles where, at least for now, frame generation isn\u2019t a thing. Although, it does seem like the PlayStation 6 and Xbox Project Helix will support the technology, so I\u2019m sure this isn\u2019t the last time we\u2019re going to see developers try to pigeon-hole frame generation into a game that doesn\u2019t run well in the first place. I hope I\u2019m wrong.<\/p>\n Jackie Thomas is the Hardware and Buying Guides Editor at IGN and the PC components queen. You can follow her <\/em>@Jackiecobra<\/p>\n<\/p>\nFrame Gen with Old Hardware<\/h2>\n
<\/p>\nA Bad Port in a Sea of Good Ports<\/h2>\n
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