Devstral Small 1.1 needs ~20.4 GB VRAM. RX 7900 XTX 24GB has 24.0 GB. With Q4_K_M quantization, expect ~51 tok/s.
Operating mode
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
Tight fit
Decode
50.8 tok/s
TTFT
3814 ms
Safe context
40K
Memory
20.4 GB / 24.0 GB
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.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 50.8 tok/s | 2081 ms | 40K |
| Coding | S | Tight fit | 50.8 tok/s | 3814 ms | 40K |
| Agentic Coding | S | Runs with offload | 50.8 tok/s | 5548 ms | 40K |
| Reasoning | S | Tight fit | 50.8 tok/s | 4508 ms | 40K |
| RAG | S | Runs with offload | 50.8 tok/s | 6935 ms | 40K |
How Devstral Small 1.1 (24B params) fits at each quantization level on RX 7900 XTX 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 9.4 GB | Low | S88 |
Q3_K_S | 3 | 11.8 GB | Low | S90 |
NVFP4 | 4 | 13.4 GB | Medium | S90 |
Q4_K_M | 4 | 14.6 GB | Medium | S89 |
Q5_K_MBest for your GPU | 5 | 17.3 GB | High | S89 |
Q6_K | 6 | 19.7 GB | High | F0 |
Q8_0 | 8 | 25.7 GB | Very High | F0 |
F16 | 16 | 49.2 GB | Maximum | F0 |
Copy-paste commands to run Devstral Small 1.1 on your machine.
Run
lms load Devstral-Small-2507 && lms server startYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 30.5B | S | 104.5 tok/s | ||
| 27B | S | 45.3 tok/s | ||
| 27B | S | 29.8 tok/s | ||
| 35B | A | 45 tok/s | ||
| 30B | S | 108.1 tok/s |
Yes, RX 7900 XTX 24GB can run Devstral Small 1.1 with a S grade (Tight fit). Expected decode speed: 50.8 tok/s.
Devstral Small 1.1 (24B parameters) requires approximately 20.4 GB of memory with Q4_K_M quantization.
The recommended quantization for Devstral Small 1.1 is Q4_K_M, which balances quality and memory efficiency.
On RX 7900 XTX 24GB, Devstral Small 1.1 achieves approximately 50.8 tokens per second decode speed with a time-to-first-token of 3814ms using Q4_K_M quantization.
For coding workloads, Devstral Small 1.1 on RX 7900 XTX 24GB receives a S grade with 50.8 tok/s and 40K context.
On RX 7900 XTX 24GB, Devstral Small 1.1 can safely use up to 40K tokens of context. The model's official context limit is 131K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/devstral-small-2507-on-rx-7900-xtx-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: