Qwen3.8-27B-ctx8k on RTX 4090 (24GB)
MeasuredOn 2026-10-22, Qwen3.8-27B-ctx8k Q4_K_M ran at 43.4 tok/s (chat-short) on an RTX 4090 (24GB) with llama.cpp. Run r_k1hhpa9io2o.
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 | 43.41tok/s | 442.4tok/s | 348ms | 22.9ms | 23.1ms |
| chat-long | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 42.95tok/s | 2,008.7tok/s | 1,605ms | 23.2ms | 23.4ms |
| concurrent-decode | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 43.33tok/s | — | — | 23.0ms | 23.3ms |
| agent-trace | llama.cpp@0.7.0-dev (build 11803, commit a37cc4610) | Qwen3.8-27B-ctx8kQ4_K_M | 42.18tok/s | 3,873.7tok/s | 576ms | 23.2ms | 23.9ms |
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https://llm-speed.com/r/r_k1hhpa9io2oRelated benchmarks
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Provenance
- Run ID
- r_k1hhpa9io2o
- Fingerprint hash
- Public key
- MtcaPLDJqBlG8W2aCqlqq0/aFrUlsh2W1GnAWbkIHrI=
- Received
- 2026-10-22 04:11:29