Can Flux.2 Dev run on AMD Instinct MI250 128GB?
YES — Runs Great
S90Excellent
Flux.2 Dev needs ~64.0 GB VRAM. AMD Instinct MI250 128GB has 128.0 GB.
| Precision | VRAM Needed | Status | Grade |
|---|---|---|---|
| FP16Best | 64.0 GB | Runs natively | S |
| FP8 | 20.0 GB | Runs natively | S |
64.0 GB required128.0 GB available
50% VRAM used
Parameters
32B
Precision
FP16
Max Resolution
1024×1024
VRAM
64.0 GB / 128.0 GB
Gen Time
~47.9s
Performance by workload
| Workload | Grade | Fit | VRAM | Gen Time |
|---|---|---|---|---|
| Quick | S | Runs natively | 63.5 GB | ~47.9s |
| Standard | S | Runs natively | 64.0 GB | ~47.9s |
| High Quality | S | Runs natively | 64.0 GB | ~47.9s |
Resolution compatibility
How Flux.2 Dev (32B params) performs at each resolution on AMD Instinct MI250 128GB (128.0 GB usable).
| Resolution | VRAM Required | AMD Instinct MI250 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: 128.0 GB
Weights64.0 GB
VAE0.2 GB
Text Encoder9.6 GB
Activations0.8 GB
Overhead0.5 GB
Frequently asked questions
Can AMD Instinct MI250 128GB run Flux.2 Dev?
Yes, AMD Instinct MI250 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. AMD Instinct MI250 128GB provides 128.0 GB.
What resolution can Flux.2 Dev produce on AMD Instinct MI250 128GB?
On AMD Instinct MI250 128GB, Flux.2 Dev can generate images at up to 1024x1024. Generation time is approximately 47.9 seconds per image.
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