inference/research
verifiedmedium · 0.70updated 2026-10-14

RTX 5090 llama.cpp: Qwen3 8B Q4_K_XL decode at 4k ctx (Hardware Corner)

185.91 tok/s (tg128, batch 1, per-request)

Fields

id
benchmarks/hc-rtx5090-qwen3-8b-q4kxl-4k-tg128
Metric
decode_tok_s
Value
185.91
Unit
tok/s (tg128, batch 1, per-request)
Model
Qwen3 8B
Methodology
Hardware Corner (Allan Witt) llama-bench build 466c1911 on RTX 5090 32GB GDDR7 (EPYC 7642 host, Ubuntu 24.04). Qwen3 8B Q4_K_XL, -fa 1 -ngl 99, -p 1024/2048 -n 128 at context depth 4k. Per-request batch-1, NOT aggregate.
Measured by
third_party
Reproducible
yes
notes
PP at same ctx: 10406.47 t/s. Full ctx sweep 4k..131k in source.

Notes

PP at same ctx: 10406.47 t/s. Full ctx sweep 4k..131k in source.

Cross-references