StarCoder2 15B needs ~21.2 GB VRAM. NVIDIA A800 80GB has 80.0 GB. With Q5_K_M quantization, expect ~156 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
155.6 tok/s
TTFT
1244 ms
Safe context
16K
Memory
21.2 GB / 80.0 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 | 155.6 tok/s | 679 ms | 16K |
| Coding | C | Runs well | 155.6 tok/s | 1244 ms | 16K |
| Agentic Coding | C | Runs well | 155.6 tok/s | 1810 ms | 16K |
| Reasoning | C | Runs well | 155.6 tok/s | 1470 ms | 16K |
| RAG | C | Runs well | 155.6 tok/s | 2262 ms | 16K |
How StarCoder2 15B (15B params) fits at each quantization level on NVIDIA A800 80GB (80.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.9 GB | Low | C41 |
Q3_K_S | 3 | 7.4 GB | Low | C41 |
NVFP4 | 4 |
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, NVIDIA A800 80GB can run StarCoder2 15B with a C grade (Runs well). Expected decode speed: 155.6 tok/s.
StarCoder2 15B (15B parameters) requires approximately 21.2 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 NVIDIA A800 80GB, StarCoder2 15B achieves approximately 155.6 tokens per second decode speed with a time-to-first-token of 1244ms using Q5_K_M quantization.
For coding workloads, StarCoder2 15B on NVIDIA A800 80GB receives a C grade with 155.6 tok/s and 16K context.
On NVIDIA A800 80GB, 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-a800-80gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
| Medium |
| C41 |
Q4_K_M | 4 | 9.2 GB | Medium | C41 |
Q5_K_M | 5 | 10.8 GB | High | C42 |
Q6_K | 6 | 12.3 GB | High | C42 |
Q8_0 | 8 | 16.1 GB | Very High | C42 |
F16Best for your GPU | 16 | 30.7 GB | Maximum | C45 |