Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

TotalPhysicalGB

Approximate physical RAM in GB; 1 on everything except PC.

Windows

MacOS

Linux

Syntax

uint32 TotalPhysicalGB

Remarks

Approximate physical RAM in GB; 1 on everything except PC. Used for "course tuning", like FPlatformMisc::NumberOfCores().

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss