Performance Guidelines for Mobile Devices - A quick reference guide In-depth documentation here: https://docs.unrealengine.com/en-US/Platforms/Mobile/Performance/index.html LDR (Low Dynamic Range) Low Dynamic Range (LDR) mode is the lowest performance tier supported in UE4 and is recommended for games that do not require lighting or Post Processing features. To use this mode, you must disable Mobile HDR for your project in the Rendering section of the Project Settings . Basic Lighting In this tier, you will leverage Static lighting and fully rough Materials to create levels with interesting lighting while maximizing performance to reach a broader range of mobile devices. To use this mode, you must disable Mobile HDR for your project in the Rendering section of the Project Settings . Full HDR (High Dynamic Range) Lighting In this tier, you take advantage of most of the HDR lighting features available for mobile in UE4, as well as some of the Post Processing features. Using these ...