Model benchmarks

unsloth/Qwen3.8-27B-UD-IQ4_XS local LLM performance

As of September 2026, unsloth/Qwen3.8-27B-UD-IQ4_XS runs at up to 46.8 tok/s for local inference (best of 2 community benchmark runs across 2 GPUs).

llama.cpp
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Model size

27B

Peak speed

46.8 tok/s

Average speed

42.4 tok/s

Avg PP

544.3 tok/s

Min memory

13.2 GB

Max context

65.536 tokens

Avg output / run

36.284 tokens

Avg runtime / run

13m 55s

Avg quality

79.0

Benchmark runs

2

GPUs tested

2

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 2 runs. The low and high columns show how much the judge’s score varies between runs, and need at least two runs to display.

TaskP5 (low)AvgP95 (high)
Overall78.979.079.0
Agent Workflow80.084.188.2
Code Generation49.857.364.8
Role Play & Narrative86.687.889.0
Research & Analysis84.886.888.8

Performance by hardware and tool

Every hardware/tool/quantization combination unsloth/Qwen3.8-27B-UD-IQ4_XS has been benchmarked on, ranked by peak token generation speed. Last updated September 2026.

HardwareToolQuantBest tok/sAvg tok/sMemoryContextQualityRuns
NVIDIA GeForce RTX 5070 Tillama.cpp46.8 tok/s46.8 tok/s13.2 GB32.768 tokens78.91
NVIDIA GeForce RTX 5060llama.cpp38.1 tok/s38.1 tok/s13.2 GB65.536 tokens79.01

Benchmark runs

All 2 unsloth/Qwen3.8-27B-UD-IQ4_XS runs submitted so far — expand one for its hardware, quality breakdown and per-scenario detail.

Frequently asked questions

Is Qwen3.8-27B-UD-IQ4_XS good for coding?
In our benchmarks, Qwen3.8-27B-UD-IQ4_XS scores 57.3/100 for coding. It runs at about 42.4 tok/s, so if you want more speed, unsloth/Qwen3.8-27B-GGUF:IQ3_S is faster (~104.3 tok/s) and still scores well for coding (83.0/100).
Is Qwen3.8-27B-UD-IQ4_XS good for agentic (tool-using) tasks?
In our benchmarks, Qwen3.8-27B-UD-IQ4_XS scores 84.1/100 for agentic workflows. It runs at about 42.4 tok/s, so if you want more speed, granite-4.2-8b-Q4_K_L is faster (~71.6 tok/s) and still scores well for agentic workflows (92.9/100).
How fast is unsloth/Qwen3.8-27B-UD-IQ4_XS for local inference?
Across 2 community benchmark runs, unsloth/Qwen3.8-27B-UD-IQ4_XS reaches up to 46.8 tok/s and averages 42.4 tok/s, with the fastest results on NVIDIA GeForce RTX 5070 Ti.
How much memory does unsloth/Qwen3.8-27B-UD-IQ4_XS need?
The leanest observed configuration used about 13.2 GB of memory.
Which tools have been used to run unsloth/Qwen3.8-27B-UD-IQ4_XS?
Benchmarks were submitted using llama.cpp. Results are community-contributed and updated as new runs arrive.