Can Flux.1 Schnell run on Mac Studio M1 Ultra 128GB?
YES — Runs Great
S90Excellent
Flux.1 Schnell needs ~24.0 GB VRAM. Mac Studio M1 Ultra 128GB has 92.2 GB.
24.0 GB required92.2 GB available
26% VRAM used
Parameters
12B
Precision
FP16
Max Resolution
1024×1024
VRAM
24.0 GB / 92.2 GB
Gen Time
~39.7s
Performance by workload
| Workload | Grade | Fit | VRAM | Gen Time |
|---|---|---|---|---|
| Quick | S | Runs natively | 23.6 GB | ~39.7s |
| Standard | S | Runs natively | 24.0 GB | ~39.7s |
| High Quality | S | Runs natively | 24.0 GB | ~39.7s |
Resolution compatibility
How Flux.1 Schnell (12B params) performs at each resolution on Mac Studio M1 Ultra 128GB (92.2 GB usable).
| Resolution | VRAM Required | Mac Studio M1 Ultra 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: 92.2 GB
Weights24.0 GB
VAE0.2 GB
Text Encoder9.6 GB
Activations0.8 GB
Overhead0.5 GB
Frequently asked questions
Can Mac Studio M1 Ultra 128GB run Flux.1 Schnell?
Yes, Mac Studio M1 Ultra 128GB can run Flux.1 Schnell for image generation. Runs natively.
How much VRAM does Flux.1 Schnell need?
Flux.1 Schnell (12B parameters) requires approximately 24.0 GB at FP16. Mac Studio M1 Ultra 128GB provides 92.2 GB.
What resolution can Flux.1 Schnell produce on Mac Studio M1 Ultra 128GB?
On Mac Studio M1 Ultra 128GB, Flux.1 Schnell can generate images at up to 1024x1024. Generation time is approximately 39.7 seconds per image.
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