<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[求教，顯卡的選擇]]></title><description><![CDATA[<p dir="auto">我今天用3080 20gb跑給金主爸爸看demo，但是太卡了他給我三萬軟妹幣預算，我該選擇5090d 32g,還是兩張9700 32g戰未來</p>
]]></description><link>https://lcz.me/topic/147/求教-顯卡的選擇</link><generator>RSS for Node</generator><lastBuildDate>Wed, 20 May 2026 07:49:29 GMT</lastBuildDate><atom:link href="https://lcz.me/topic/147.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 14 May 2026 15:30:58 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 22:24:24 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/terry" aria-label="Profile: terry">@<bdi>terry</bdi></a> 是的我就是看上32g的，那我那個6600xt剩下打遊戲的功能了⋯</p>
]]></description><link>https://lcz.me/post/1714</link><guid isPermaLink="true">https://lcz.me/post/1714</guid><dc:creator><![CDATA[陳瑋]]></dc:creator><pubDate>Thu, 14 May 2026 22:24:24 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 17:50:00 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/%E9%99%B3%E7%91%8B" aria-label="Profile: 陳瑋">@<bdi>陳瑋</bdi></a> AN不要混合分层，没必要，你再弄一个3080跑模型，也不会多花几个钱，这个卡才3000不到。双3080跑LLM很强大，5090D如果是32G的，可以。我记得5090D V2是24G的。</p>
]]></description><link>https://lcz.me/post/1695</link><guid isPermaLink="true">https://lcz.me/post/1695</guid><dc:creator><![CDATA[terry]]></dc:creator><pubDate>Thu, 14 May 2026 17:50:00 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 17:21:00 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/terry" aria-label="Profile: terry">@<bdi>terry</bdi></a> 感謝各位大佬回覆，我左思右想想出了一個可能比較適合我的方向，如果我用兩台電腦，一台3080 +6600xt oclink 顯卡塢跑分層模型、一台5090d跑comfyui，我好像就只需要買一張5090d就可以了</p>
<p dir="auto">會這樣搭配是因為我體感上6600跟3080的模型運行速度相差不多，並且期待有天5090d也能改顯存</p>
]]></description><link>https://lcz.me/post/1692</link><guid isPermaLink="true">https://lcz.me/post/1692</guid><dc:creator><![CDATA[陳瑋]]></dc:creator><pubDate>Thu, 14 May 2026 17:21:00 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:42:48 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/%E9%99%B3%E7%91%8B" aria-label="Profile: 陳瑋">@<bdi>陳瑋</bdi></a> 3090双卡跑大模型不错，跑comfyUI就是3090x2，没啥意义。comfyUI要求单卡大显存。</p>
]]></description><link>https://lcz.me/post/1684</link><guid isPermaLink="true">https://lcz.me/post/1684</guid><dc:creator><![CDATA[terry]]></dc:creator><pubDate>Thu, 14 May 2026 16:42:48 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:41:11 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/terry" aria-label="Profile: terry">@<bdi>terry</bdi></a> 謝謝大佬回覆，如果我也搞個雙3090nv link，效能差距會很大嗎，這樣我好像就馬上賺到錢了</p>
]]></description><link>https://lcz.me/post/1682</link><guid isPermaLink="true">https://lcz.me/post/1682</guid><dc:creator><![CDATA[陳瑋]]></dc:creator><pubDate>Thu, 14 May 2026 16:41:11 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:37:19 GMT]]></title><description><![CDATA[<p dir="auto">不差钱上RTX Pro5000 或者 6000， 大显存是王道。小特瞎说你别管，多卡能跑多个ComfyUI实例，但是不能叠加显存。如果只有3万闭眼入4090 48G，5090要3.3万以上。 不过5090快很多，这是个问题。AMD是给懂的人用的，不懂的人别买。凡是纠结的，都不适合用AMD。</p>
]]></description><link>https://lcz.me/post/1678</link><guid isPermaLink="true">https://lcz.me/post/1678</guid><dc:creator><![CDATA[terry]]></dc:creator><pubDate>Thu, 14 May 2026 16:37:19 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:36:12 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/david-zhang" aria-label="Profile: David-Zhang">@<bdi>David-Zhang</bdi></a></p>
<p dir="auto">就是三萬人民幣讓我上京東自己挑我要的東西</p>
]]></description><link>https://lcz.me/post/1677</link><guid isPermaLink="true">https://lcz.me/post/1677</guid><dc:creator><![CDATA[陳瑋]]></dc:creator><pubDate>Thu, 14 May 2026 16:36:12 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:33:50 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/fred" aria-label="Profile: Fred">@<bdi>Fred</bdi></a></p>
<p dir="auto">謝謝老哥的回覆，demo指的是我剛弄出來給客戶看的流程自動化演示</p>
<p dir="auto">因為我比較想要的是大顯存，金主允諾的預算也不是無上限的，才會在兩個方案里躊躇不定</p>
]]></description><link>https://lcz.me/post/1676</link><guid isPermaLink="true">https://lcz.me/post/1676</guid><dc:creator><![CDATA[陳瑋]]></dc:creator><pubDate>Thu, 14 May 2026 16:33:50 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:18:48 GMT]]></title><description><![CDATA[<p dir="auto">如果你demo打游戏，那就5090D -_-;;;<br />
小特瞎说，Qwen3.6哪里来的70B，只有27B和35B MoE。这两个5090D都能跑。<br />
如果跑LLM，确实是显存大就可以为所欲为，R9700配合llama.cpp的分层功能，不算慢。也可以尝试vLLM的双卡TP，但我试了，A卡vLLM对Qwen3.6支持不行，一些旧模型可以，但上下文非常有限，性能不如N卡。真要尝试，用linux，用这位老哥的toolbox：<a href="https://github.com/kyuz0/amd-r9700-vllm-toolboxes/" rel="nofollow ugc">https://github.com/kyuz0/amd-r9700-vllm-toolboxes/</a></p>
<p dir="auto">你要是demo视频生成啥的，那就问老特，这方面我没经验了。</p>
]]></description><link>https://lcz.me/post/1670</link><guid isPermaLink="true">https://lcz.me/post/1670</guid><dc:creator><![CDATA[Fred]]></dc:creator><pubDate>Thu, 14 May 2026 16:18:48 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 16:04:16 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/%E9%99%B3%E7%91%8B" aria-label="Profile: 陳瑋">@<bdi>陳瑋</bdi></a> 3万预算的话，关键看你的demo是什么类型：</p>
<p dir="auto"><strong>如果是跑大语言模型（LLM）</strong>：</p>
<ul>
<li>5090D 32G 显存虽然大，但一张卡跑不了多大的模型</li>
<li>两张9700 32G（共64G显存）通过vLLM tensor-parallel，能跑Qwen 3.6 70B甚至更大模型</li>
<li>显存容量比单卡算力重要得多</li>
</ul>
<p dir="auto"><strong>如果是跑ComfyUI/视频生成</strong>：</p>
<ul>
<li>5090D的单卡算力很强，Wan2.2、LTX这些吃算力比吃显存多</li>
<li>但32G显存跑长视频可能会爆</li>
<li>双9700 32G在ComfyUI里支持多卡分摊</li>
</ul>
<p dir="auto"><strong>个人建议</strong>：如果金主要看demo效果且后续有扩展空间，两张9700 32G更战未来。如果只是短时间demo交差，5090D省心省事。</p>
<p dir="auto">David Zhang问的"软妹币"就是人民币啦 <img src="https://lcz.me/assets/plugins/nodebb-plugin-emoji/emoji/android/1f604.png?v=d348ca29232" class="not-responsive emoji emoji-android emoji--smile" style="height:23px;width:auto;vertical-align:middle" title="😄" alt="😄" /></p>
]]></description><link>https://lcz.me/post/1667</link><guid isPermaLink="true">https://lcz.me/post/1667</guid><dc:creator><![CDATA[Xiaote]]></dc:creator><pubDate>Thu, 14 May 2026 16:04:16 GMT</pubDate></item><item><title><![CDATA[Reply to 求教，顯卡的選擇 on Thu, 14 May 2026 15:47:45 GMT]]></title><description><![CDATA[<p dir="auto">Demo是啥？软妹币？</p>
]]></description><link>https://lcz.me/post/1663</link><guid isPermaLink="true">https://lcz.me/post/1663</guid><dc:creator><![CDATA[David Zhang]]></dc:creator><pubDate>Thu, 14 May 2026 15:47:45 GMT</pubDate></item></channel></rss>