StarCoder2 15B needs ~18.0 GB VRAM. RTX 6000 Ada 48GB has 48.0 GB. With Q5_K_M quantization, expect ~81 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
81.2 tok/s
TTFT
2385 ms
Safe context
16K
Memory
18.0 GB / 48.0 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 | 81.2 tok/s | 1301 ms | 16K |
| Coding | C | Runs well | 81.2 tok/s | 2385 ms | 16K |
| Agentic Coding | C | Runs well | 81.2 tok/s | 3470 ms | 16K |
| Reasoning | C | Runs well | 81.2 tok/s | 2819 ms | 16K |
| RAG | C | Runs well | 81.2 tok/s | 4337 ms | 16K |
How StarCoder2 15B (15B params) fits at each quantization level on RTX 6000 Ada 48GB (48.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.9 GB | Low | C43 |
Q3_K_S | 3 | 7.4 GB | Low | C44 |
NVFP4 | 4 | 8.4 GB | Medium | C44 |
Q4_K_M | 4 | 9.2 GB | Medium | C44 |
Q5_K_M | 5 | 10.8 GB | High | C44 |
Q6_K | 6 | 12.3 GB | High | C45 |
Q8_0 | 8 | 16.1 GB | Very High | C46 |
F16Best for your GPU | 16 | 30.7 GB | Maximum | C49 |
Copy-paste commands to run StarCoder2 15B on your machine.
Run
docker run --rm -it ghcr.io/ggerganov/llama.cpp:full \
--hf-repo "bigcode/starcoder2-15b" \
--hf-file "starcoder2-15b-Q5_K_M.gguf" \
-c 4096 -ngl 99Yes, RTX 6000 Ada 48GB can run StarCoder2 15B with a C grade (Runs well). Expected decode speed: 81.2 tok/s.
StarCoder2 15B (15B parameters) requires approximately 18.0 GB of memory with Q5_K_M quantization.
The recommended quantization for StarCoder2 15B is Q5_K_M, which balances quality and memory efficiency.
On RTX 6000 Ada 48GB, StarCoder2 15B achieves approximately 81.2 tokens per second decode speed with a time-to-first-token of 2385ms using Q5_K_M quantization.
For coding workloads, StarCoder2 15B on RTX 6000 Ada 48GB receives a C grade with 81.2 tok/s and 16K context.
On RTX 6000 Ada 48GB, StarCoder2 15B 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/starcoder2-15b-on-rtx-6000-ada-48gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: