Fortnite Gets a Mobile Gaming Boost with Arm Accuracy Super Resolution
Fortnite, by Epic Games, is one of the most influential games in the world. Its technical ambition matches its cultural footprint, with the game setting a benchmark for real-time graphics, cross-platform play, and live service infrastructure. This commitment to excellence extends across every platform, including mobile.
However, delivering the full Fortnite experience on mobile platforms involves various engineering challenges – more limited GPU power, stricter memory bandwidth constraints, and tighter thermal envelopes. At the same time, players still expect a consistent, high-quality visual experience that doesn’t compromise on frame rate or battery life.
Bringing next-gen mobile gaming performance to Fortnite with Arm ASR
Epic Games is working with Arm to integrate Arm Accuracy Super Resolution (Arm ASR) into Fortnite, which marks a way to meet the growing expectations for mobile gaming performance and visual fidelity. Arm ASR is an open-source upscaling technology developed to improve mobile gaming performance without compromising visual quality. It enables a variety of performance and graphics improvements across Unreal Engine games on mobile.
In Fortnite mobile, this means improved frame rates, sharper visuals, and better battery performance through reducing the GPU workload. All of this was achieved without requiring wholesale changes to rendering pipelines or sacrificing artistic intent.
Scalable gaming performance with minimal developer overhead
Epic Games is integrating Arm ASR into Fortnite using a dedicated Unreal Engine 5 plug-in, with this supporting platform-agnostic deployment across mobile devices, coming soon to Android and iOS. The process requires no architectural changes to the game’s renderer and offers the flexibility for fine-tuning visual results across different device classes.
Since Arm ASR is open source, other developers using Unreal Engine can implement it with minimal overhead.
Why Epic Games chose Arm ASR
Epic Games opted for Arm ASR to help strike a balance between visual fidelity and efficiency on mobile, with the technology delivering:
- Headroom for higher-end graphics features across mobile devices.
- Crisper detail in high-motion scenes and distant objects.
- Reduced memory bandwidth usage.
- Smoother texture loading with fewer visible artifacts.
As mobile SoCs gain greater performance and efficiency capabilities, developers are looking for new ways to deliver high-quality experiences on smartphones without scaling cost or complexity. Arm ASR meets the moment with a practical, scalable solution that brings high-end rendering techniques to billions of devices worldwide.
Optimizing Arm ASR for a range of mobile devices means game studios can deliver consistent visual experiences to a wider audience faster, with developers not needing separate code paths or platform-specific workarounds. By allowing developers to focus first on gameplay, design, and player experience, Arm ASR helps reduce time spent on performance tuning and simplifies development cycles.
Supporting rising capabilities of 3D mobile games
For developers building 3D games on Arm-based mobile devices, Arm ASR offers a direct path to better visuals and smoother gameplay. The integration of Arm ASR into Fortnite is proof that leading game studios are exploring smarter, scalable solutions that prioritize gaming efficiency and visual quality.
With technologies like Arm ASR, and longstanding collaboration across the mobile ecosystem, Arm is enabling the next wave of mobile gaming – one that prioritizes both quality and scale.
Go behind the scenes at Unreal Fest Orlando 2025
At Unreal Fest in Orlando (June 2 to 5), Epic Games and Arm will co-present a detailed session on how Arm ASR is being integrated into Fortnite. The talk, which will be held on June 4 at 2 pm ET, will explain how the project came together, what developers should know about temporal upscaling, and why this technique is well-suited for future mobile games. Visitors can also experience Arm ASR in action at the Arm booth, where live demos and technical experts will be available throughout the event.
Learn more About Arm ASR
Arm ASR is open source, developer-ready, and available today. Explore the technology, access integration guides, and start building.
Any re-use permitted for informational and non-commercial or personal use only.
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