StarCoder2 15B needs ~15.6 GB VRAM. RTX A5500 24GB has 24.0 GB. With Q5_K_M quantization, expect ~62 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
61.8 tok/s
TTFT
3135 ms
Safe context
16K
Memory
15.6 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 | B | Runs well | 61.8 tok/s | 1710 ms | 16K |
| Coding | B | Runs well | 61.8 tok/s | 3135 ms | 16K |
| Agentic Coding | B | Runs well | 61.8 tok/s | 4559 ms | 16K |
| Reasoning | B | Runs well | 61.8 tok/s | 3705 ms | 16K |
| RAG | B | Runs well | 61.8 tok/s | 5699 ms | 16K |
How StarCoder2 15B (15B params) fits at each quantization level on RTX A5500 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.9 GB | Low | C47 |
Q3_K_S | 3 | 7.4 GB | Low | C48 |
NVFP4 | 4 | 8.4 GB | Medium | C49 |
Q4_K_M | 4 | 9.2 GB | Medium | C49 |
Q5_K_M | 5 | 10.8 GB | High | C51 |
Q6_K | 6 | 12.3 GB | High | C52 |
Q8_0Best for your GPU | 8 | 16.1 GB | Very High | C51 |
F16 | 16 | 30.7 GB | Maximum | F0 |
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 A5500 24GB can run StarCoder2 15B with a B grade (Runs well). Expected decode speed: 61.8 tok/s.
StarCoder2 15B (15B parameters) requires approximately 15.6 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 A5500 24GB, StarCoder2 15B achieves approximately 61.8 tokens per second decode speed with a time-to-first-token of 3135ms using Q5_K_M quantization.
For coding workloads, StarCoder2 15B on RTX A5500 24GB receives a B grade with 61.8 tok/s and 16K context.
On RTX A5500 24GB, 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-a5500-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: