llamaperf

Qwen3.8 27B

on Unknown GPU · llama.cpp

Tone: mixed
Sep 19, 2026
Throughput
83.6 t/s gen
Quant
IQ3_XXS (GGUF)
VRAM reported
16 GB

Use cases

agentic

Summary

User benchmarks Qwen3.8 27B IQ3_XXS against Bonsai Ternary PQ2 on a 16GB VRAM GPU. Setup is llama.cpp with MTP speculative decoding for Qwen; Bonsai lacks MTP. Qwen completed the agent suite in 8:00 versus 24:09 for Bonsai, using 27,197 output tokens versus 84,176. Weighted decode was 83.59 tok/s for Qwen and 64.91 tok/s for Bonsai. User notes the test is not scientific and prefers the IQ3_XXS visual results.