RTX 5090 vs 4090 vs 3090 for LLM: Which Flagship GPU Should You Buy for Local Models?
RTX 5090 vs 4090 vs 3090 for LLM: VRAM, bandwidth, power and price compared with derived speed ceilings and a clear buying rule for local models.
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Local LoRA Fine-Tuning VRAM: How Much GPU Memory You Need for QLoRA and LoRA
Local LoRA fine-tuning VRAM explained: Unsloth minimums for QLoRA vs LoRA from 3B to 70B, what raises memory use, and the levers that fix training OOM.
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本地微调显存需求：QLoRA 与 LoRA 到底要多少 GPU 显存
本地微调显存需求详解：Unsloth 文档给出的 3B 到 70B 的 QLoRA 与 LoRA 显存下限、哪些因素会推高占用，以及训练爆显存时的调整手段。
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3090 4090 5090 跑大模型怎么选：显存、带宽、功耗和价格一次讲清
3090 4090 5090 跑大模型怎么选：对比显存、带宽、功耗和价格，给出推算速度上限和一条清晰的购买规则。
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24GB VRAM PC Build: A Used RTX 3090 Machine at About 14299 Yuan, and How It Compares With an RTX 4090
24GB VRAM PC build: a used RTX 3090 machine at about 14299 yuan against about 33214 for a 4090, with parts, models that fit, power and cooling, and risks.
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24GB 显存装机方案：二手 RTX 3090 整机约 14299 元，与 RTX 4090 怎么选
24GB 显存装机方案：二手 RTX 3090 整机参考价约 14299 元，对比 4090 整机约 33214 元，附完整配置、能跑的模型、电源散热与风险提示。
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Running an LLM on 24GB VRAM: What Can an RTX 3090 / 4090 Run?
Which LLMs fit on 24GB VRAM? 27B–32B dense and 30B MoE models with memory estimates, long-context headroom, 3090 vs 4090, and why 70B doesn’t fit.
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24GB 显存跑大模型：RTX 3090 / 4090 级能跑什么模型
24GB 显存跑大模型能放下哪些？27B–32B 与 30B 级 MoE 的显存实测估算、长上下文余量、3090 与 4090 对比，以及 70B 为什么放不下。
