Unsloth Gpt Oss 20B Unsloth Bnb 4bit speed on NVIDIA H200 SXM 141GB and quantization-level VRAM fit.
NVIDIA H200 SXM 141GB meets the minimum VRAM requirement for Q4 inference of Unsloth Gpt Oss 20B Unsloth Bnb 4bit. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
NVIDIA H200 SXM 141GB can run Unsloth Gpt Oss 20B Unsloth Bnb 4bit with Q4 quantization. At approximately 379 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 131GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 10GB | 141GB | 379.09 tok/s | ✅ Fits comfortably |
| Q8 | 20GB | 141GB | 265.37 tok/s | ✅ Fits comfortably |
| FP16 | 40GB | 141GB | 144.06 tok/s | ✅ Fits comfortably |
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NVIDIA H200 SXM 141GB can run Unsloth Gpt Oss 20B Unsloth Bnb 4bit at Q4 with an estimated 379 tok/s.
Q4 inference is estimated to need about 10GB VRAM on this page, while NVIDIA H200 SXM 141GB has 141GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.