FLUX.2 [dev] on NVIDIA A100 80GB SXM
Can the NVIDIA A100 80GB SXM run FLUX.2 [dev]?
Yes, it runs well
Runs well. At FP8 it needs about 59.7 GB of 80.0 GB usable, with an estimated speed of 34 s.
- Best precision
FP8- Memory mode
- Everything on GPU
- Time per image
- 34 s
- Output
- 1024×1024, 28 steps
Download FLUX.2 [dev]
Quantized files · GGUF for ComfyUI
Smaller GGUF versions for ComfyUI (with the ComfyUI-GGUF node). No sign-in needed; the model’s license still applies.
Original weights · Hugging Face
Full-precision files from Black Forest Labs, for fine-tuning, vLLM, Transformers, Diffusers or ComfyUI.
huggingface.co/black-forest-labs/FLUX.2-dev (opens in a new tab)
Official repo · GitHub
Reference code, inference scripts and docs from Black Forest Labs. The weights themselves download from Hugging Face.
github.com/black-forest-labs/flux2 (opens in a new tab)
git clone https://github.com/black-forest-labs/flux2How the S grade is scored
Every result gets up to 100 points from four parts. The points decide the letter grade.
| Model quality | 40.6 / 45 | |
|---|---|---|
| Memory fit | 25.0 / 25 | |
| Speed | 8.2 / 15 | |
| Memory use | 15.0 / 15 | |
| Total | 88.7 / 100 | 88 ptsExcellent (S) · 88 of 100 points: Model quality 40.6/45, Memory fit 25.0/25, Speed 8.2/15, Memory use 15.0/15 |
Every precision on the NVIDIA A100 80GB SXM
| Precision | Memory needed | Available | Time per output | Memory mode | Fit | Grade · points | Download |
|---|---|---|---|---|---|---|---|
FP16 | 67.9 GB | 80.0 GB | 39 s | Text encoder offloaded | Runs well | 83 ptsGreat (A) · 83 of 100 points: Model quality 41.4/45, Memory fit 20.0/25, Speed 7.6/15, Memory use 15.0/15 | Original weights (opens in a new tab) |
FP8 | 59.7 GB | 80.0 GB | 34 s | Everything on GPU | Runs well | 88 ptsExcellent (S) · 88 of 100 points: Model quality 40.6/45, Memory fit 25.0/25, Speed 8.2/15, Memory use 15.0/15 | Original weights (opens in a new tab) |
Q8 GGUF | 61.9 GB | 80.0 GB | 43 s | Everything on GPU | Runs well | 88 ptsExcellent (S) · 88 of 100 points: Model quality 41.0/45, Memory fit 25.0/25, Speed 7.2/15, Memory use 15.0/15 | GGUF (opens in a new tab) |
Q4 GGUF | 46.8 GB | 80.0 GB | 45 s | Everything on GPU | Runs well | 84 ptsGreat (A) · 84 of 100 points: Model quality 38.5/45, Memory fit 25.0/25, Speed 7.1/15, Memory use 13.5/15 | GGUF (opens in a new tab) |
Other hardware that runs it
- 89 ptsExcellent (S) · 89 of 100 points: Model quality 40.6/45, Memory fit 25.0/25, Speed 9.7/15, Memory use 14.3/15 NVIDIA RTX PRO 6000 Blackwell
- 85 ptsExcellent (S) · 85 of 100 points: Model quality 40.6/45, Memory fit 25.0/25, Speed 6.0/15, Memory use 14.3/15 AMD Ryzen AI Max+ 395 (128 GB)
- 85 ptsExcellent (S) · 85 of 100 points: Model quality 41.4/45, Memory fit 25.0/25, Speed 3.8/15, Memory use 15.0/15 Apple M2 Ultra (192 GB)
- 84 ptsGreat (A) · 84 of 100 points: Model quality 41.4/45, Memory fit 25.0/25, Speed 3.8/15, Memory use 13.9/15 Apple M3 Ultra (256 GB)
- 83 ptsGreat (A) · 83 of 100 points: Model quality 41.0/45, Memory fit 25.0/25, Speed 3.0/15, Memory use 14.9/15 Apple M4 Max (128 GB)
- 83 ptsGreat (A) · 83 of 100 points: Model quality 40.6/45, Memory fit 25.0/25, Speed 5.8/15, Memory use 12.0/15 NVIDIA GB10 (128 GB)
Estimates come from published hardware specs and our open formulas, not from running the model on your machine. Real speed varies with runtime, drivers and settings. Numbers marked “Measured” come from a linked benchmark.