Can Mamba Codestral 7B v0.1 run on RX 6900 XT 16GB?
YES — Runs Great
Mamba Codestral 7B v0.1 needs ~7.6 GB VRAM. RX 6900 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~79 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
78.6 tok/s
TTFT
2463 ms
Safe context
180K
Memory
7.6 GB / 16.0 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 | C | Runs well | 78.6 tok/s | 1344 ms | 180K |
| Coding | C | Runs well | 78.6 tok/s | 2463 ms | 180K |
| Agentic Coding | C | Runs well | 78.6 tok/s | 3583 ms | 180K |
| Reasoning | C | Runs well | 78.6 tok/s | 2911 ms | 180K |
| RAG | C | Runs well | 78.6 tok/s | 4478 ms | 180K |
Quantization options
How Mamba Codestral 7B v0.1 (7B params) fits at each quantization level on RX 6900 XT 16GB (16.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 2.7 GB | Low | C46 |
Q3_K_S | 3 | 3.4 GB | Low | C47 |
NVFP4 | 4 |
Get started
Copy-paste commands to run Mamba Codestral 7B v0.1 on your machine.
Run
lms load hf-gabriellarson--mamba-codestral-7b-v0-1-gguf && lms server start