StarCoder2 7B needs ~7.3 GB VRAM. RX 6950 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~85 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
Runs well
Decode
85.4 tok/s
TTFT
2267 ms
Safe context
16K
Memory
7.3 GB / 16.0 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 | C | Runs well | 85.4 tok/s | 1236 ms | 16K |
| Coding | C | Runs well | 85.4 tok/s | 2267 ms | 16K |
| Agentic Coding | C | Runs well | 85.4 tok/s | 3297 ms | 16K |
| Reasoning | C | Runs well | 85.4 tok/s | 2679 ms | 16K |
| RAG | C | Runs well | 85.4 tok/s | 4121 ms | 16K |
How StarCoder2 7B (7B params) fits at each quantization level on RX 6950 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 | 3.9 GB | Medium | C47 |
Q4_K_M | 4 | 4.3 GB | Medium | C47 |
Q5_K_M | 5 | 5.0 GB | High | C48 |
Q6_K | 6 | 5.7 GB | High | C49 |
Q8_0Best for your GPU | 8 | 7.5 GB | Very High | C51 |
F16 | 16 | 14.3 GB | Maximum | F0 |
Copy-paste commands to run StarCoder2 7B on your machine.
Run
lms load starcoder2-7b && lms server startYes, RX 6950 XT 16GB can run StarCoder2 7B with a C grade (Runs well). Expected decode speed: 85.4 tok/s.
StarCoder2 7B (7B parameters) requires approximately 7.3 GB of memory with Q4_K_M quantization.
The recommended quantization for StarCoder2 7B is Q4_K_M, which balances quality and memory efficiency.
On RX 6950 XT 16GB, StarCoder2 7B achieves approximately 85.4 tokens per second decode speed with a time-to-first-token of 2267ms using Q4_K_M quantization.
For coding workloads, StarCoder2 7B on RX 6950 XT 16GB receives a C grade with 85.4 tok/s and 16K context.
On RX 6950 XT 16GB, StarCoder2 7B can safely use up to 16K tokens of context. The model's official context limit is 16K, 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/starcoder2-7b-on-rx-6950-xt-16gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: