PerfoX is a lightweight system performance monitoring plugin for Unreal Engine — it works both in the editor and in packaged games.

🎥 Video Presentation: >>> HERE <<<

🛠️ Support (Discord): >>> HERE <<<

📄 Documentation: >>> HERE <<<

Open the dockable PerfoX Monitor tab (Tools → Miscellaneous) to watch live, color-coded bars with your machine's current load, or use the Blueprint nodes to display the same data in your own UMG widgets — e.g. as an in-game performance overlay or a diagnostics screen for your players.

What it measures:

- FPS & frame time — engine-averaged values (same as `stat fps`)

- CPU — usage %, processor name, physical cores and logical threads

- RAM — usage % and GB (used / total)

- GPU — usage % with two selectable methods: Windows Task Manager style, or straight from the driver (NVIDIA NVML / AMD ADL)

- VRAM — video memory: used / total / %

- Disks — average activity across all physical disks, plus per-drive activity and space usage

- Temperatures — GPU and CPU with an automatic source cascade: LibreHardwareMonitor/OpenHardwareMonitor (true core temperature), ACPI, OS thermal zone

Built for performance:

- static data (hardware names, core counts, total RAM/VRAM, drive capacities) is collected once and cached — call `Get Hardware Info` once on Begin Play,

- dynamic data comes from `Get Performance Stats` — sampling is hard-capped at 4×/s; more frequent calls return the cache with zero work,

- a single performance-counter query per sample, no allocations on the cached path.

Zero dependencies: only native Windows APIs (PDH, WMI, DXGI) and dynamically loaded driver libraries (NVML/ADL)

Blueprint nodes: `Get Hardware Info`, `Get Performance Stats`, `Get System Stats`, `Set Gpu Usage Method`, `Get Frame Rate`, `Get Cpu/Gpu Usage Percent`, `Get Cpu/Gpu Temperature`.