AMD FSR 3 Is Coming to Consoles, Potentially Unlocking New Performance Levels, Though PS5 May Have a Problem

Sep 30, 2023 at 04:30am EDT
Immortals of Aveum unreal engine 5.2 upgrade

Yesterday, AMD FSR 3 debuted on PC with the implementations in Square Enix's Forspoken and EA's Immortals of Aveum.

The frame generation technology offers great performance boosts in both games, surpassing even DLSS 3's average FPS in a direct comparison conducted on the latter game, though it is more prone to stuttering than NVIDIA's AI-based technology.

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However, it won't be just PCs benefitting from FSR 3. AMD had announced it would support consoles back at Gamescom, but the question was whether it'd be beneficial enough for console games that developers would actually opt to use it. You see, AMD itself recommends a specific use case for the technology: pre-interpolation, post-upscaling frame rate should run at a minimum of 60FPS, with AMD FSR 3 bumping that up to 120FPS.

As gamers know very well, some console games are limited to 30FPS, though more and more titles allow users to target higher frame rates in so-called Performance modes.

Now, Immortals of Aveum developer Ascendant Studios has officially confirmed it is working to implement AMD FSR 3 on consoles, too. Here's the tidbit from the latest newsletter released a few hours ago.

In games that already hit the 60FPS target in their Performance modes, FSR 3 could allow up to 120FPS performance, which anyone could enjoy using an HDMI 2.1 display. On the other hand, it may not be able to work its magic with games limited to 30FPS like Gotham Knights, Redfall, and Starfield.

A technical caveat might be an extra obstacle to AMD FSR 3 implementation on PlayStation 5. FSR 3 uses a DX12-based replacement swapchain that handles the Optical Flow and Frame Generation workloads asynchronously. As explained in this GPU Open blog post, the Unreal Engine 5 plugin does offer an alternative option for non-Windows platforms, but it does not work asynchronously and will, therefore, offer inferior performance.

With the Unreal Engine 5 plugin, there are more options to provide a starting point for supporting non-Windows platforms and that control frame pacing. The AMD FSR 3 UE5 plugin contains two backend types: RHI and Native DirectX 12.

The RHI backend is platform agnostic and should work effectively in most circumstances. However, it does not support asynchronous execution of the AMD FSR 3 compute workloads, so these jobs are serialized, with an associated performance cost. Additionally, frame pacing is handled by Unreal’s underlying presentation framework. The ideal use for AMD FSR 3 using the RHI backend is when VSync is enabled on a high-refresh 120+ Hz monitor. 

The Native DX12 backend fully supports asynchronous workloads and full frame pacing, so it can have higher performance in certain circumstances. 

It sounds like Xbox may have an edge when it comes to AMD FSR 3 implementations, at least for the time being. Regardless, it's an exciting development to see the first studio confirming its intention to bring the technology to consoles. We'll definitely make inquiries to discover whether more studios are going to take the same step.

About the author: With over two decades of experience in gaming journalism, Alessio Palumbo has led the gaming vertical at Wccftech since August 2015. He started working at a young age for Italian websites like Everyeye.it, Gamestar.it, Nextgame.it, and Multiplayer.it before kickstarting the indie English-language publication Worlds Factory as its founder and Editor in Chief. In the last decade, he has coordinated the overall output of Wccftech's gaming section, managed PR relations, assigned reviews, produced daily news coverage, edited gaming content as needed, and delivered game reviews. Arguably, his trademark content is the long series of exclusive developer interviews that have been cited by Wikipedia and by the biggest news media and gaming publications. His passion for technology also makes him knowledgeable when it comes to gaming hardware and tech. His favorite genres include RPGs, MMORPGs, and action/adventure games.

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