llamaperf

Qwen3.8 27B Swift-1.5

on NVIDIA RTX 3090

Tone: positiveNVIDIA hardware
Sep 27, 2026
Throughput
67.0 t/s gen
Quant
IQ4_XS (GGUF)

Use cases

coding

Summary

User reports Swift-1.5-Qwen3.8-27b at 67 t/s on an RTX 3090. Setup is the IQ4_XS quant, compared against Unsloth's Q4_K_S. User says the model solved a custom Directory Opus script in 6 minutes that Gemini Flash failed to fix in 40 minutes, and was impressed that a low-thinking IQ4_XS 27B beat a major cloud model.