NVIDIA GeForce RTX 3080 10GB × gpt-oss-20b (MoE)
Can the RTX 3080 10GB run gpt-oss-20b (MoE)?
No
No. gpt-oss-20b (MoE) needs at least ~14.6 GB, but the RTX 3080 10GB has ~9.5 GB usable. You would need CPU offloading (much slower) or more memory.
By quantization (8K context)
| Quant | Memory needed | Fits? | Est. tok/s |
|---|---|---|---|
| MXFP4 (native) | 14.6 GB | ❌ | — |
Fastest hardware for gpt-oss-20b (MoE)
- NVIDIA GeForce RTX 5090 — ~267 tok/s at MXFP4 (native)
- NVIDIA GeForce RTX 4090 — ~171 tok/s at MXFP4 (native)
- AMD Radeon RX 7900 XTX — ~169 tok/s at MXFP4 (native)
- NVIDIA GeForce RTX 5080 — ~167 tok/s at MXFP4 (native)
- NVIDIA GeForce RTX 5070 Ti — ~163 tok/s at MXFP4 (native)
Rent a GPU instead
gpt-oss-20b (MoE) doesn't fit here? Rent a cloud GPU with enough VRAM by the hour and run it there.
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