Can Flux.2 Dev run on Mac Studio M2 Ultra 128GB?
YES — Runs Great
S90Excellent
Flux.2 Dev needs ~64.0 GB VRAM. Mac Studio M2 Ultra 128GB has 92.2 GB.
| Precision | VRAM Needed | Status | Grade |
|---|---|---|---|
| FP16Best | 64.0 GB | Runs natively | S |
| FP8 | 20.0 GB | Runs natively | S |
64.0 GB required92.2 GB available
69% VRAM used
Parameters
32B
Precision
FP16
Max Resolution
1024×1024
VRAM
64.0 GB / 92.2 GB
Gen Time
~33m 53s
Performance by workload
| Workload | Grade | Fit | VRAM | Gen Time |
|---|---|---|---|---|
| Quick | S | Runs natively | 63.5 GB | ~33m 53s |
| Standard | S | Runs natively | 64.0 GB | ~33m 53s |
| High Quality | S | Runs natively | 64.0 GB | ~33m 53s |
Resolution compatibility
How Flux.2 Dev (32B params) performs at each resolution on Mac Studio M2 Ultra 128GB (92.2 GB usable).
| Resolution | VRAM Required | Mac Studio M2 Ultra 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: 92.2 GB
Weights64.0 GB
VAE0.2 GB
Text Encoder9.6 GB
Activations0.8 GB
Overhead0.5 GB
Frequently asked questions
Can Mac Studio M2 Ultra 128GB run Flux.2 Dev?
Yes, Mac Studio M2 Ultra 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. Mac Studio M2 Ultra 128GB provides 92.2 GB.
What resolution can Flux.2 Dev produce on Mac Studio M2 Ultra 128GB?
On Mac Studio M2 Ultra 128GB, Flux.2 Dev can generate images at up to 1024x1024. Generation time is approximately 2033.4 seconds per image.
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