llamaperf

Qwen3.8 27B Defiance-Uncensored

on NVIDIA RTX 4090 · llama.cpp · 131,072 ctx

Tone: positiveNVIDIA hardware
Oct 17, 2026
Throughput
86-90 t/s gen
Quant
IQ4_XS (GGUF)
VRAM reported
24 GB

Use cases

rpcreative-writing

Summary

User reports Qwen3.8-27B Defiance-Uncensored decoding at 86-90 tok/s on an RTX 4090. Setup is llama.cpp b11609 with IQ4_XS at 131K context, with MTP speculative decoding accepting 38-42% of draft tokens; llama-server used 21.4 GB. The user also checked Q6_K_P at the file level only and did not run it because it does not fit on the card.