V-Ray GPU Requirements
V-Ray needs at least 8GB of GPU VRAM for basic use and 16GB for recommended performance. 8GB for light scenes — whole scene must fit in VRAM
VRAM Requirements
| Usage Tier | VRAM Required | What It Covers |
|---|---|---|
| Minimum | 8GB | 8GB for light scenes — whole scene must fit in VRAM |
| Recommended | 16GB | 16GB for production archviz, product renders, and character work |
| Professional | 24GB | 24GB for complex environments, high-res displacement, and multi-GPU |
VRAM data sourced from official Chaos Group system requirements.
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8–24GB VRAM
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V-Ray GPU FAQ
V-Ray requires 8GB minimum VRAM and 16GB for recommended performance. Professional workflows benefit from 24GB or more.
The RTX 4070 (12GB VRAM) meets the minimum requirement for V-Ray but falls short of the 16GB recommended target for professional use.
For V-Ray at professional settings, we recommend an RTX 4070 Ti Super (16GB) or RTX 4090 (24GB). These have sufficient VRAM and fast CUDA cores for gpu rendering workloads.
Yes, V-Ray supports NVIDIA CUDA for GPU acceleration. NVIDIA GPUs will deliver the best performance.