Model benchmarks
Qwen3.8-27B-UD-IQ3_S local LLM performance
As of September 2026, Qwen3.8-27B-UD-IQ3_S runs at up to 81.6 tok/s for local inference (best of 9 community benchmark runs across 1 GPU).
Model size
27B
Peak speed
81.6 tok/s
Average speed
78.1 tok/s
Avg prefill
1114.1 tok/s
Min memory
13.2 GB
Max context
100,000 tokens
Avg output / run
16,587 tokens
Avg runtime / run
3m 30s
Avg quality
83.2
Benchmark runs
9
GPUs tested
1
Quality by task
Average LLM-judged quality (0–100) with the run-to-run spread shown as a P5–P95 band, overall and for each benchmark task, across all 9 runs. The low and high columns show how much the judge’s score varies between runs, and need at least two runs to display.
| Task | P5 (low) | Avg | P95 (high) |
|---|---|---|---|
| Overall | 79.5 | 83.2 | 85.9 |
| Agent Workflow | 75.6 | 83.3 | 87.0 |
| Code Generation | 60.8 | 74.0 | 80.5 |
| Role Play & Narrative | 81.8 | 88.8 | 92.6 |
| Research & Analysis | 84.6 | 86.9 | 88.5 |
Performance by hardware and tool
Every hardware/tool/quantization combination Qwen3.8-27B-UD-IQ3_S has been benchmarked on, ranked by peak token generation speed. Last updated September 2026.
| Hardware | Tool | Quant | Best tok/s | Avg tok/s | Memory | Context | Quality | Runs |
|---|---|---|---|---|---|---|---|---|
| NVIDIA GeForce RTX 4080 SUPER | llama.cpp | — | 81.6 tok/s | 78.1 tok/s | 13.2 GB | 100,000 tokens | 83.2 | 9 |
Frequently asked questions
- Is Qwen3.8-27B-UD-IQ3_S good for coding?
- In our benchmarks, Qwen3.8-27B-UD-IQ3_S scores 74.0/100 for coding. It runs at about 78.1 tok/s, so if you want more speed, Gemma4:E2B/QAT-MTP@131K is faster (~303.9 tok/s) and still scores well for coding (66.9/100).
- Is Qwen3.8-27B-UD-IQ3_S good for agentic (tool-using) tasks?
- In our benchmarks, Qwen3.8-27B-UD-IQ3_S scores 83.3/100 for agentic workflows. It runs at about 78.1 tok/s, so if you want more speed, unsloth/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-GGUF:UD-Q4_K_XL is faster (~169.2 tok/s) and still scores well for agentic workflows (83.0/100).
- How fast is Qwen3.8-27B-UD-IQ3_S for local inference?
- Across 9 community benchmark runs, Qwen3.8-27B-UD-IQ3_S reaches up to 81.6 tok/s and averages 78.1 tok/s, with the fastest results on NVIDIA GeForce RTX 4080 SUPER.
- How much memory does Qwen3.8-27B-UD-IQ3_S need?
- The leanest observed configuration used about 13.2 GB of memory.
- Which tools have been used to run Qwen3.8-27B-UD-IQ3_S?
- Benchmarks were submitted using llama.cpp. Results are community-contributed and updated as new runs arrive.