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Unreal Engine 5 Temporal Super Resolution promises "4K at the cost of 1080p"

Those sure are some pretty rocks. This scene is rendered at 1080p and upscaled to 4K via Unreal Engine 5's Temporal Super Resolution. (Image via Epic Games and Unreal Engine)
Those sure are some pretty rocks. This scene is rendered at 1080p and upscaled to 4K via Unreal Engine 5's Temporal Super Resolution. (Image via Epic Games and Unreal Engine)
Unreal Engine 5 is available as a demo starting today, and users are gravitating toward its Temporal Super Resolution feature. TSR is similar to Nvidia's DLSS in that, while advertised as an anti-aliasing technique, it vastly improves high-resolution frame rates by upscaling lower resolutions. The technology is impressive at first glance.

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Epic Games released a demo of Unreal Engine 5 today, and one key feature is creating quite a buzz among developers and gamers alike. Temporal Super Resolution (TSR) is a new anti-aliasing feature that many see as an upscaling feature.

According to Epic, TSR should “create sharper, more stable images than before with quality approaching true native 4K at the cost of 1080p.” Essentially, TSR improves how a PC tracks geometry and lighting without heavily impacting framerates. The result is similar to Nvidia’s DLSS in that TSR serves as an anti-aliasing feature but can also upscale models and generally smooth out graphical hiccups.

The big draw is improved graphical fidelity without the hit to frame rates. In a demo from Epic, a scene rendered at native 4K hit 18.57 FPS. The same scene rendered at 1080p through TSR averaged 43.02 FPS with a similar level of graphical fidelity. Sure, the 1080p scene isn’t as clean or sharp as the native 4K scene, but it’s noticeably better than a 1080p scene without TSR or any kind of upscaling.

Other features of TSR include ghosting reduction, reduced flickering on complex geometry, and other graphical output quality improvements.

Unreal Engine 5 is compatible with DirectX 11, DirectX 12, Vulkan, and the AMD RDNA 2 architecture used by the PlayStation 5 and Xbox Series X. Epic says that support for Apple’s Metal graphical API is coming soon.

Unreal Engine 5 is currently only available as a demo. The full release is slotted for early 2022.

What do you think of Unreal Engine 5? Let us know in the comments. 

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Sam Medley
Sam Medley - Senior Tech Writer - 1129 articles published on Notebookcheck since 2016
I've been a computer geek my entire life. After graduating college with a degree in Mathematics, I worked in finance and banking a few years before taking a job as a database administrator. I started working with Notebookcheck in October of 2016 and have enjoyed writing news and reviews. I've also written for other outlets including UltrabookReview and GeeksWorldWide, focusing on consumer guidance and video gaming. My areas of interest include the business side of technology, retro gaming, Linux, and innovative gadgets. When I'm not writing on electronics or tinkering with a device, I'm either outside with my family, enjoying a decade-old video game, or playing drums or piano.
contact me via: @samuel_medley
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 05 > Unreal Engine 5 Temporal Super Resolution promises "4K at the cost of 1080p"
Sam Medley, 2021-05-27 (Update: 2021-05-27)