The new version of Unreal Engine 5.4 brings significant improvements to performance and image quality, including optimizations to TSR upscaling technology, faster hardware ray tracing, and faster 60fps performance.
Upgrading Unreal Engine
Improving TSR
In the updated game engine Unreal Engine 5.4, Epic Games developers have implemented improvements to TSR technology ( Temporal Super Resolution), which serves as an alternative to solutions such as NVIDIA DLSS, AMD FSR and Intel XeSS. One of the main advantages of TSR is its cross-platform and built-in integration into the engine, which eliminates the need for game creators to connect third-party plugins.
Among the innovations is History Resurrection technology, which allows you to more accurately restore image details after scaling. If previously discarded image fragments could cause artifacts due to changes in shading, occlusion, or objects moving out of frame, History Resurrection saves historical TSR data for reuse. This ensures stable TSR operation and ghosting elimination.
60 FPS Performance
The developers have also worked on optimizing performance to achieve the consistent 60 FPS frame rate that many gaming projects aim for. To increase rendering speed, systems were restructured to improve multitasking, and GPU instance culling was introduced to speed up hardware ray tracing. In addition, the update includes optimizations for shader compilation for faster loading of projects.
Advanced Ray Tracing
Unreal Engine 5.4 introduces experimental support for Vulkan Ray Tracing, thanks to which the Vulkan API now complies with DX12, and also implements ray tracing on Linux. Developers will be able to use Hit Lighting modes in Lumen and Path Tracing. According to Epic Games, Path Tracing performance has increased by 15% compared to the previous version of the engine.
One of the first games to use the power of Unreal Engine 5.4 will be Marvel 1943: Rise of Hydra, shown in a teaser from the creators .
Glossary
- Unreal Engine is a popular game engine from Epic Games, used to create computer games, as well as virtual and augmented reality applications.
- TSR (Temporal Super Resolution) is an image scaling technology from Epic Games, built into the Unreal Engine and serving as an alternative to solutions from NVIDIA, AMD and Intel.
- NVIDIA DLSS is NVIDIA's proprietary scaling technology that leverages the capabilities of GPU tensor cores for upscaling.
- AMD FSR is a super resolution technology from AMD that runs on GPUs from any manufacturer.
- Intel XeSS is an image scaling and enhancement solution from Intel.
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Answers to questions
What is the main improvement of TSR (Temporal Super Resolution) technology in Unreal Engine 5.4?
What other improvements were introduced in Unreal Engine 5.4 to improve rendering performance?
What new ray tracing features are included in Unreal Engine 5.4?
How has Path tracing performance improved in Unreal Engine 5.4 compared to the previous version?
Which game will be one of the first to take advantage of Unreal Engine 5.4?
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Discussion of the topic – Unreal Engine 5.4: Ray tracing on Linux, powerful TSR scaling and performance gains
The new version of the Unreal Engine 5.4 brings with it long-awaited updates, including support for ray tracing on Linux, improved TSR scaling technology, and significant performance improvements.
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