llamaperf

Qwen3.8 27B

on 2× AMD RX 6800 16GB · llama.cpp · 131,072 ctx

AMD hardware
Sep 9, 2026
Throughput
45.0 t/s gen
Quant
IQ4_XS
VRAM reported
32 GB

Summary

User runs Qwen3.8 27B IQ4_XS at 131k context on two RTX 2060 12GB cards, 24 GB total, and gets about 45 t/s. Setup is llama.cpp. User asks whether an upgrade to an RX 6800 16GB plus an RX 6800 XT 16GB, 32 GB total, would improve performance and how ROCm and Vulkan support compare.