§01·compatibility · /check
Wan 2.1 on RTX 4090
Yes — Wan 2.1 runs on the RTX 4090 (24 GB). Fastest community-measured result: 4 min, with 8.19 GB peak VRAM.
✓ runsvideoactive40 series24GB VRAM
step-by-step recipe for this pair
Wan 2.1 T2V on RTX 4090: Local Video Generation Guide
videobeginner8GB+
§02·benchmarks
| Task | Quant | Speed | VRAM | Works | Confidence | Source | Verified |
|---|---|---|---|---|---|---|---|
| t2v | 4min | 8.19GB | ✓ | huggingface.co· huggingface | 2026-05-13 |
§03·common questions
Can you run Wan 2.1 on RTX 4090?
Yes — Wan 2.1 runs on the RTX 4090 (24 GB). Fastest community-measured result: 4 min, with 8.19 GB peak VRAM.
How much VRAM does Wan 2.1 need on RTX 4090?
Measured peak VRAM is 8.19 GB — about 15.8 GB of headroom on the 24 GB card.
How fast is Wan 2.1 on RTX 4090?
Up to 4 min (t2v), the fastest community-measured result.
Are there step-by-step instructions for Wan 2.1 on RTX 4090?
Yes — a step-by-step recipe documents Wan 2.1 on the RTX 4090, linked at the top of this page.