Can Flux.1 Schnell run on AMD Instinct MI250 128GB?
YES — Runs Great
S90Excellent
Flux.1 Schnell needs ~24.0 GB VRAM. AMD Instinct MI250 128GB has 128.0 GB.
24.0 GB required128.0 GB available
19% VRAM used
Parameters
12B
Precision
FP16
Max Resolution
1024×1024
VRAM
24.0 GB / 128.0 GB
Gen Time
900ms
Performance by workload
| Workload | Grade | Fit | VRAM | Gen Time |
|---|---|---|---|---|
| Quick | S | Runs natively | 23.6 GB | 900ms |
| Standard | S | Runs natively | 24.0 GB | 900ms |
| High Quality | S | Runs natively | 24.0 GB | 900ms |
Resolution compatibility
How Flux.1 Schnell (12B params) performs at each resolution on AMD Instinct MI250 128GB (128.0 GB usable).
| Resolution | VRAM Required | AMD Instinct MI250 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: 128.0 GB
Weights24.0 GB
VAE0.2 GB
Text Encoder9.6 GB
Activations0.8 GB
Overhead0.5 GB
Frequently asked questions
Can AMD Instinct MI250 128GB run Flux.1 Schnell?
Yes, AMD Instinct MI250 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. AMD Instinct MI250 128GB provides 128.0 GB.
What resolution can Flux.1 Schnell produce on AMD Instinct MI250 128GB?
On AMD Instinct MI250 128GB, Flux.1 Schnell can generate images at up to 1024x1024. Generation time is approximately 0.9 seconds per image.
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