Qwen3.8-27B-ctx8k on RTX 4090 (24GB)
MeasuredOn 2026-10-22, Qwen3.8-27B-ctx8k Q4_K_M ran at 44.2 tok/s (chat-short) on an RTX 4090 (24GB) with llama.cpp. Run r_tt9io-8lu9p.
Workload results
| Workload | Backend | Model | decode tok/s | prefill tok/s | TTFT | p50 | p95 |
|---|---|---|---|---|---|---|---|
| chat-short | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 44.18tok/s | 691.5tok/s | 223ms | 22.6ms | 22.8ms |
| chat-long | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 43.67tok/s | 2,412.3tok/s | 1,336ms | 22.9ms | 23.0ms |
| concurrent-decode | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 44.10tok/s | — | — | 22.6ms | 22.8ms |
| agent-trace | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 43.37tok/s | 4,710.8tok/s | 458ms | 22.8ms | 23.1ms |
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https://llm-speed.com/r/r_tt9io-8lu9pRelated benchmarks
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Provenance
- Run ID
- r_tt9io-8lu9p
- Fingerprint hash
- Public key
- S+Wz/kO9GycUVPuMNk9saMokpyAv1wh++ueHrv666oo=
- Received
- 2026-10-22 08:10:08