Can Devstral Small 1.1 run on AMD Instinct MI250 128GB?
YES — Runs Great
Devstral Small 1.1 needs ~30.8 GB VRAM. AMD Instinct MI250 128GB has 128.0 GB. With Q4_K_M quantization, expect ~160 tok/s.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
159.8 tok/s
TTFT
1212 ms
Safe context
131K
Memory
30.8 GB / 128.0 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 159.8 tok/s | 661 ms | 131K |
| Coding | S | Runs well | 159.8 tok/s | 1212 ms | 131K |
| Agentic Coding | S | Runs well | 159.8 tok/s | 1762 ms | 131K |
| Reasoning | S | Runs well | 159.8 tok/s | 1432 ms | 131K |
| RAG | S | Runs well | 159.8 tok/s | 2203 ms | 131K |
Quantization options
How Devstral Small 1.1 (24B params) fits at each quantization level on AMD Instinct MI250 128GB (128.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 9.4 GB | Low | A78 |
Q3_K_S | 3 | 11.8 GB | Low | A78 |
NVFP4 | 4 | 13.4 GB | Medium | A78 |
Q4_K_M | 4 | 14.6 GB | Medium | A78 |
Q5_K_M | 5 | 17.3 GB | High | A78 |
Q6_K | 6 | 19.7 GB | High | A79 |
Q8_0 | 8 | 25.7 GB | Very High | A79 |
F16Best for your GPU | 16 | 49.2 GB | Maximum | A83 |
Get started
Copy-paste commands to run Devstral Small 1.1 on your machine.
Run
lms load Devstral-Small-2507 && lms server startYour hardware
