Playing: PIE/Viewport Framerate extremly low as opposed to Standalone/packaged

BDC_Patrick
Wed, 05 Feb 2025 10:21:15 +0000
Getting Started & Setup

Hi there…

Since I reinstalled my Engine 4 Weeks ago, I got a problem when playing my project in new PIE Window, or even inside the Editor Viewport.

This problem DOES NOT occur in standalone and packaged game.

While playing in standalone and packaged Game gives a stable 60FPS (uncapped 400+), PIE and Viewport drop to 15-35FPS… even uncapped.
It nearly is unplayable in the editor.

Since it does only occur in the Editor, I think it must be an Editor problem.
I never got that before I reinstalled 5.5…

And yes, I know PIE/Viewport take more resources than just standalone - but this discrepancy is way too big - especially with my specs…

My Specs:

PSU: 850 Watt be quiet! Pure Power 12 M Modular 80+ Gold
CPU: AMD Ryzen 9 7950X3D 16x 4.20GHz So.AM5 WOF
GPU: 16GB ZOTAC GeForce RTX 4080 SUPER Trinity Black Edition Aktiv PCIe 4.0 x16 (Retail)
RAM: 64GB Corsair Vengeance schwarz DDR5-6400 DIMM CL32 Dual Kit
SSD: 2x 4TB Crucial P3 Plus M.2 2280 PCIe 4.0 x4 3D-NAND QLC (CT4000P3PSSD8)

While playing in PIE/Editor, the CPU never exceeds 15% capacity, GPU never exceeds 8%…
In Standalone, both values stay below 10% all the time.

For testing purposes, I am running the game at 1600 x 900 resolution, not 4K or any other exorbitant resolution.

NVIDIA Controls are set to default global for UnrealEditor.exe, uncapped FPS, no vsync…
Monitor has no sync cap set, too.
Smooth Framerate is set to false in project settings, too.

Again, works flawlessly, fluid and without ANY FPS dropped in standalone/packaged…

Does someone also experience this and/or give me some help?

13 posts - 5 participants