[KongchangAI]
Unverified50% confidenceFactExact time

Ollama 默认使用 Q4_K_M 等量化方案，将 31B 参数模型的显存需求从约 62GB（FP16）降低到约 20GB

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026

Sources

Gemma 4开源模型本地部署教程：Ollama安装与手机端运行指南
bilibili搞机零距离-6/10/2026

Related Claims

Unverifiedllama.cpp项目使27B参数模型的显存需求从FP16约54GB降至Q4量化约16GB80% similarPartially VerifiedQLoRA论文验证了NF4量化配合LoRA微调可在65B参数模型上将显存需求从780GB降至48GB，同时保持接近全精度微调的性能77% similar

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