Can Flux.2 Dev run on NVIDIA DGX Spark 128GB?
YES — Runs Great
S90Excellent
Flux.2 Dev needs ~64.0 GB VRAM. NVIDIA DGX Spark 128GB has 108.8 GB.
| Precision | VRAM Needed | Status | Grade |
|---|---|---|---|
| FP16Best | 64.0 GB | Runs natively | S |
| FP8 | 20.0 GB | Runs natively | S |
64.0 GB required108.8 GB available
59% VRAM used
Parameters
32B
Precision
FP16
Max Resolution
1024×1024
VRAM
64.0 GB / 108.8 GB
Gen Time
~56m 10s
Performance by workload
| Workload | Grade | Fit | VRAM | Gen Time |
|---|---|---|---|---|
| Quick | S | Runs natively | 63.5 GB | ~56m 10s |
| Standard | S | Runs natively | 64.0 GB | ~56m 10s |
| High Quality | S | Runs natively | 64.0 GB | ~56m 10s |
Resolution compatibility
How Flux.2 Dev (32B params) performs at each resolution on NVIDIA DGX Spark 128GB (108.8 GB usable).
| Resolution | VRAM Required | NVIDIA DGX Spark 128GB |
|---|---|---|
| 512×512 | 63.5 GB | S● |
| 768×768 | 63.7 GB | S● |
| 1024×1024 | 64.0 GB | S● |
Memory breakdown
Required: 64.0 GBAvailable: 108.8 GB
Weights64.0 GB
VAE0.2 GB
Text Encoder9.6 GB
Activations0.8 GB
Overhead0.5 GB
Frequently asked questions
Can NVIDIA DGX Spark 128GB run Flux.2 Dev?
Yes, NVIDIA DGX Spark 128GB can run Flux.2 Dev for image generation. Runs natively.
How much VRAM does Flux.2 Dev need?
Flux.2 Dev (32B parameters) requires approximately 64.0 GB at FP16. NVIDIA DGX Spark 128GB provides 108.8 GB.
What resolution can Flux.2 Dev produce on NVIDIA DGX Spark 128GB?
On NVIDIA DGX Spark 128GB, Flux.2 Dev can generate images at up to 1024x1024. Generation time is approximately 3369.6 seconds per image.
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