Can Flux.1 Dev run on NVIDIA DGX Spark 128GB?
YES — Runs Great
S90Excellent
Flux.1 Dev needs ~24.0 GB VRAM. NVIDIA DGX Spark 128GB has 108.8 GB.
| Precision | VRAM Needed | Status | Grade |
|---|---|---|---|
| FP16Best | 24.0 GB | Runs natively | S |
| FP8 | 13.0 GB | Runs natively | S |
24.0 GB required108.8 GB available
22% VRAM used
Parameters
12B
Precision
FP16
Max Resolution
1024×1024
VRAM
24.0 GB / 108.8 GB
Gen Time
~5m 21s
Performance by workload
| Workload | Grade | Fit | VRAM | Gen Time |
|---|---|---|---|---|
| Quick | S | Runs natively | 23.6 GB | ~5m 21s |
| Standard | S | Runs natively | 24.0 GB | ~5m 21s |
| High Quality | S | Runs natively | 24.0 GB | ~5m 21s |
Resolution compatibility
How Flux.1 Dev (12B params) performs at each resolution on NVIDIA DGX Spark 128GB (108.8 GB usable).
| Resolution | VRAM Required | NVIDIA DGX Spark 128GB |
|---|---|---|
| 512×512 | 23.6 GB | S● |
| 768×768 | 23.8 GB | S● |
| 1024×1024 | 24.0 GB | S● |
Memory breakdown
Required: 24.0 GBAvailable: 108.8 GB
Weights24.0 GB
VAE0.2 GB
Text Encoder9.6 GB
Activations0.8 GB
Overhead0.5 GB
Frequently asked questions
Can NVIDIA DGX Spark 128GB run Flux.1 Dev?
Yes, NVIDIA DGX Spark 128GB can run Flux.1 Dev for image generation. Runs natively.
How much VRAM does Flux.1 Dev need?
Flux.1 Dev (12B parameters) requires approximately 24.0 GB at FP16. NVIDIA DGX Spark 128GB provides 108.8 GB.
What resolution can Flux.1 Dev produce on NVIDIA DGX Spark 128GB?
On NVIDIA DGX Spark 128GB, Flux.1 Dev can generate images at up to 1024x1024. Generation time is approximately 320.5 seconds per image.
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