Unreal Engine 5 GPU Requirements
Unreal Engine 5 needs at least 4GB of GPU VRAM for basic use and 8GB for recommended performance. 4GB for basic projects, editor use only
VRAM Requirements
| Usage Tier | VRAM Required | What It Covers |
|---|---|---|
| Minimum | 4GB | 4GB for basic projects, editor use only |
| Recommended | 8GB | 8GB for Lumen global illumination and Nanite geometry at medium quality |
| Professional | 16GB | 16GB for full Lumen + Nanite at high fidelity, path tracing preview |
VRAM data sourced from official Epic Games system requirements.
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Unreal Engine 5 GPU FAQ
Unreal Engine 5 requires 4GB minimum VRAM and 8GB for recommended performance. Professional workflows benefit from 16GB or more.
Yes, the RTX 4070 (12GB VRAM) meets the 8GB recommended requirement for Unreal Engine 5.
For Unreal Engine 5 at professional settings, we recommend an RTX 4070 Ti Super (16GB) or RTX 4090 (24GB). These have sufficient VRAM and fast CUDA cores for game development workloads.
Yes, Unreal Engine 5 supports NVIDIA CUDA for GPU acceleration. NVIDIA GPUs will deliver the best performance.