5090 + vLLM: Qwen3.8-27B NVFP4, 196k ctx, ~143 t/s bench / 90–115 live, 44 GB CPU KV offload — full config inside, what would you change?
This story is from 2026-08-22. It is preserved in the archive; the latest stories are on the live feed.
I've been running Qwen3.8-27B on a single RTX 5090 (32 GB) with vLLM and I think I've squeezed it close to what the card can do. Posting the full setup + measured numbers because the shared benchmark tables online don't say which quant/kernel path produced them. The box RTX 5090 32 GB (SM120), 64 G…
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- 2026-08-22 07:15 · r/LocalLLM
5090 + vLLM: Qwen3.8-27B NVFP4, 196k ctx, ~143 t/s bench / 90–115 live, 44 GB CPU KV offload — full config inside, what would you change?
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