Unreal Engine 5 Portable -

Yes, with massive asterisks. You can run UE5 on an iPhone 15 Pro or ROG Ally. You can get stable frame rates. You can use the material system. But you cannot use the flagship features (Nanite/Lumen) without severe battery drain or frame drops.

A fascinating case study is the Matrix Awakens demo. While the full demo cripples a Steam Deck (running at 15 FPS), a stripped-down version optimized for portable use reveals the secret: unreal engine 5 portable