§01·compatibility · /check
Flux.1 Dev on RTX 5090
Yes — Flux.1 Dev runs on the RTX 5090 (32 GB). Fastest community-measured result in it/s: 2.38.
✓ runsimageactive50 series32GB VRAM
step-by-step recipe for this pair
Flux.1 Dev on RTX 5090: ComfyUI Image Generation Guide
imagebeginner24GB+
§02·benchmarks
| Task | Quant | Speed | VRAM | Works | Confidence | Source | Verified |
|---|---|---|---|---|---|---|---|
| t2i | fp8 | 8s | ✓ | github.com· github | 2026-05-15 | ||
| t2i | fp8 | 2.38it/s | ✓ | github.com· github | 2026-05-15 | ||
| t2i | FP8 | 2.2it/s | ✓ | github.com· web | 2026-05-15 | ||
| t2i | FP16 | 9.55s | ✓ | github.com· web | 2026-05-15 |
§03·how it was measured
- t2ifp82.38 it/s
Getting 8.78s for 3 runs
recorded from github.com ↗ · verified 2026-05-15
- t2iFP82.2 it/s
1 megapixel resolution. Comparison shows 2.5x faster than 3090 Ti at 8-bit.
recorded from github.com ↗ · verified 2026-05-15
- t2iFP169.55 s
Uses 16-bit precision and 16-bit CLIP model. 3x faster than 3090 Ti.
recorded from github.com ↗ · verified 2026-05-15
§04·more Flux.1 Dev recipes
§05·common questions
Can you run Flux.1 Dev on RTX 5090?
Yes — Flux.1 Dev runs on the RTX 5090 (32 GB). Fastest community-measured result in it/s: 2.38.
Which quantizations have been tested for Flux.1 Dev on RTX 5090?
fp8, FP8, FP16 — measured in community benchmarks.
How fast is Flux.1 Dev on RTX 5090?
Up to 2.38 it/s (t2i), the fastest community-measured result in it/s.
Are there step-by-step instructions for Flux.1 Dev on RTX 5090?
Yes — a step-by-step recipe documents Flux.1 Dev on the RTX 5090, linked at the top of this page.