<?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[现在想买一张新卡跑qwen3.8 27b, 预算1w左右]]></title><description><![CDATA[<p dir="auto">现在手上有张6900xt，但感觉太慢了。<br />
目前想买ai pro r9700，不知道有没有更好的选择？<br />
还有就是fp8有没有必要，希望可以战未来。<br />
希望大家给点建议。</p>
]]></description><link>https://lcz.me/topic/1663</link><generator>RSS for Node</generator><lastBuildDate>Tue, 15 Sep 2026 01:15:54 GMT</lastBuildDate><atom:link href="https://lcz.me/topic/1663.rss" rel="self" type="application/rss+xml"/><pubDate>Sat, 12 Sep 2026 20:05:15 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 17:04:53 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/williamlouis" aria-label="Profile: williamlouis">@<bdi>williamlouis</bdi></a><br />
你们都不看规格的吗？这么厚的卡？怎么玩两张，这怎么可能是个长期方案？<br />
<img src="https://upload.lcz.me/uploads/624aa662-153f-4888-a994-32b853695655.jpeg" alt="fbb64d5b-8b43-4196-bf94-38aec0922a7a-image.jpeg" class=" img-fluid img-markdown" /></p>
]]></description><link>https://lcz.me/post/18212</link><guid isPermaLink="true">https://lcz.me/post/18212</guid><dc:creator><![CDATA[Geekyang]]></dc:creator><pubDate>Mon, 14 Sep 2026 17:04:53 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 16:59:38 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/lesslin-xiu" aria-label="Profile: lesslin-xiu">@<bdi>lesslin-xiu</bdi></a> 你这个上下文是多大的？我也想买一张。</p>
]]></description><link>https://lcz.me/post/18210</link><guid isPermaLink="true">https://lcz.me/post/18210</guid><dc:creator><![CDATA[Geekyang]]></dc:creator><pubDate>Mon, 14 Sep 2026 16:59:38 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 16:55:45 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/alexander-lee" aria-label="Profile: Alexander-Lee">@<bdi>Alexander-Lee</bdi></a> 7900XTX 蓝宝石的做工确实没得说，单卡我也想买一张。但是如果双卡跑模型，7900XTX并不合适，主要的问题，不是RDNA3，也不是显卡，是尺寸。太特么厚了。一张卡 整整占了7CM厚度。</p>
]]></description><link>https://lcz.me/post/18208</link><guid isPermaLink="true">https://lcz.me/post/18208</guid><dc:creator><![CDATA[Geekyang]]></dc:creator><pubDate>Mon, 14 Sep 2026 16:55:45 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 16:18:37 GMT]]></title><description><![CDATA[<p dir="auto">手裡還有一張空閒兩年的 4080 非S，不知道值幾兩銀，自己的無塵環境用了一年半，一點灰都沒有</p>
]]></description><link>https://lcz.me/post/18205</link><guid isPermaLink="true">https://lcz.me/post/18205</guid><dc:creator><![CDATA[tyaprin]]></dc:creator><pubDate>Mon, 14 Sep 2026 16:18:37 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 13:05:24 GMT]]></title><description><![CDATA[<p dir="auto">1W 太少了。不如订阅了。</p>
]]></description><link>https://lcz.me/post/18120</link><guid isPermaLink="true">https://lcz.me/post/18120</guid><dc:creator><![CDATA[williamlouis]]></dc:creator><pubDate>Mon, 14 Sep 2026 13:05:24 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 13:01:34 GMT]]></title><description><![CDATA[<p dir="auto">RDNA2 沒有WMMA加速器 會退回到ALU運算</p>
]]></description><link>https://lcz.me/post/18116</link><guid isPermaLink="true">https://lcz.me/post/18116</guid><dc:creator><![CDATA[dardeaw feng]]></dc:creator><pubDate>Mon, 14 Sep 2026 13:01:34 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 13:00:46 GMT]]></title><description><![CDATA[<p dir="auto">御三家都在喊停了，是不是硬件价格高峰了， 这时候想买好卡感觉挺困难</p>
]]></description><link>https://lcz.me/post/18114</link><guid isPermaLink="true">https://lcz.me/post/18114</guid><dc:creator><![CDATA[stxpnet]]></dc:creator><pubDate>Mon, 14 Sep 2026 13:00:46 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 12:55:01 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/williamlouis" aria-label="Profile: williamlouis">@<bdi>williamlouis</bdi></a> 看到过贴子，没看到视频，但我记得双卡sglang的速度也不是很高，跟vllm单卡的速度差不多。</p>
]]></description><link>https://lcz.me/post/18113</link><guid isPermaLink="true">https://lcz.me/post/18113</guid><dc:creator><![CDATA[tmp tmp]]></dc:creator><pubDate>Mon, 14 Sep 2026 12:55:01 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 12:52:31 GMT]]></title><description><![CDATA[<p dir="auto">刚刚买R9700 ，有点吵。<br />
<img src="https://upload.lcz.me/uploads/e379af9a-5bc3-4dde-950c-bd493adff639.jpeg" alt="图片.jpeg" class=" img-fluid img-markdown" /></p>
]]></description><link>https://lcz.me/post/18111</link><guid isPermaLink="true">https://lcz.me/post/18111</guid><dc:creator><![CDATA[lesslin xiu]]></dc:creator><pubDate>Mon, 14 Sep 2026 12:52:31 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 11:51:28 GMT]]></title><description><![CDATA[<p dir="auto">还有人用两台 mac mini 24G联机跑 Qwen3.8 27B 差不多也是一万出头</p>
]]></description><link>https://lcz.me/post/18099</link><guid isPermaLink="true">https://lcz.me/post/18099</guid><dc:creator><![CDATA[Alexander Lee]]></dc:creator><pubDate>Mon, 14 Sep 2026 11:51:28 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 12:13:56 GMT]]></title><description><![CDATA[<p dir="auto">R9700 最佳的应该是两张，单张的话也能跑，但是速度比较慢。单纯为了Qwen3.8-27B这一个模型，不如直接2080 + NVLINK</p>
]]></description><link>https://lcz.me/post/18098</link><guid isPermaLink="true">https://lcz.me/post/18098</guid><dc:creator><![CDATA[Bunsei]]></dc:creator><pubDate>Mon, 14 Sep 2026 12:13:56 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 11:36:30 GMT]]></title><description><![CDATA[<p dir="auto">看视频或帖子了吗？双卡 sglang。</p>
]]></description><link>https://lcz.me/post/18097</link><guid isPermaLink="true">https://lcz.me/post/18097</guid><dc:creator><![CDATA[williamlouis]]></dc:creator><pubDate>Mon, 14 Sep 2026 11:36:30 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 11:27:09 GMT]]></title><description><![CDATA[<p dir="auto">锤锤不是一直都在推荐 7900XTX 么</p>
]]></description><link>https://lcz.me/post/18096</link><guid isPermaLink="true">https://lcz.me/post/18096</guid><dc:creator><![CDATA[Alexander Lee]]></dc:creator><pubDate>Mon, 14 Sep 2026 11:27:09 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Mon, 14 Sep 2026 10:40:03 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> 锤哥，sglang具体好在哪里啊？我r9700单卡跑Sglang有24token/s的速度，大llama.cpp和vllm要慢不少。<img src="https://lcz.me/assets/plugins/nodebb-plugin-emoji/emoji/android/1f64f.png?v=0650a1064dd" class="not-responsive emoji emoji-android emoji--pray" style="height:23px;width:auto;vertical-align:middle" title=":pray:" alt="🙏" /></p>
]]></description><link>https://lcz.me/post/18089</link><guid isPermaLink="true">https://lcz.me/post/18089</guid><dc:creator><![CDATA[tmp tmp]]></dc:creator><pubDate>Mon, 14 Sep 2026 10:40:03 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sun, 13 Sep 2026 01:02:35 GMT]]></title><description><![CDATA[<p dir="auto">CUDA 那层护城河是软件生态，不是驱动，两三年长不出来；但 ROCm 这两年的追赶是实打实的：gfx1201 + ROCm 7.x 已经能跑 llama.cpp / SGLang，日常推理这条路够用，差距主要在训练和算子覆盖。</p>
<p dir="auto">所以挑 R9700 别把「等生态成熟」当理由，就当它现在能跑、32G 够用；生态哪天长齐了算加分，真到那天这张卡也不会掉队。</p>
]]></description><link>https://lcz.me/post/17691</link><guid isPermaLink="true">https://lcz.me/post/17691</guid><dc:creator><![CDATA[Xiaote]]></dc:creator><pubDate>Sun, 13 Sep 2026 01:02:35 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 23:34:40 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/xiaote" aria-label="Profile: Xiaote">@<bdi>Xiaote</bdi></a> 感谢补充信息！我相信过两年amd会自己长出cuda的w</p>
]]></description><link>https://lcz.me/post/17685</link><guid isPermaLink="true">https://lcz.me/post/17685</guid><dc:creator><![CDATA[Karin Tension]]></dc:creator><pubDate>Sat, 12 Sep 2026 23:34:40 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 22:02:12 GMT]]></title><description><![CDATA[<p dir="auto">跑 27B 选 R9700 32G 方向没问题，补几点可验证的判断：</p>
<ul>
<li>27B Q4_K_M 约 16–18G，32G 能留 10G+ 给 KV，长 ctx / 多并发才够；16G 或 24G 的卡会先卡在显存。</li>
<li>FP8 对 27B 单卡意义有限：FP8 权重就约 27G，加 KV 基本顶到 32G，实际还是 Q4/Q5 + FP16 KV 更实用。RDNA4 的 FP8 更多是给以后更大的模型 / 更高吞吐留路。</li>
<li>战未来这点 R9700 赢在软件栈：gfx1201 + ROCm 7.x + SGLang/HIP 都跟上了；7900XTX 是 RDNA3、无 FP8，SGLang 支持也不如 RDNA4。</li>
<li>代价是 ROCm 生态比 CUDA 新，踩坑排查成本高；纯 llama.cpp HIP 已经可用。相对 6900XT，R9700 是带宽 640 vs 512 GB/s、显存翻倍、ROCm 支持正常，单卡 27B 的提升是实打实的。</li>
</ul>
]]></description><link>https://lcz.me/post/17671</link><guid isPermaLink="true">https://lcz.me/post/17671</guid><dc:creator><![CDATA[Xiaote]]></dc:creator><pubDate>Sat, 12 Sep 2026 22:02:12 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 21:19:34 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/imbiplaza-asus" aria-label="Profile: imbiplaza-asus">@<bdi>imbiplaza-asus</bdi></a><br />
6900XT 是RDNA2的卡，ROCM支持不好。RDNA2的卡，从6800开始支持ROcM，6800开始是大核心</p>
]]></description><link>https://lcz.me/post/17666</link><guid isPermaLink="true">https://lcz.me/post/17666</guid><dc:creator><![CDATA[番茄胡萝卜]]></dc:creator><pubDate>Sat, 12 Sep 2026 21:19:34 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 21:10:56 GMT]]></title><description><![CDATA[<p dir="auto">看规格，6900xt不比r9700pro 慢，core 也比r9700pro 多。。。<br />
唯一最大分别就是16gb vram vs 32gb vram<br />
&amp; bandwith 快一点 512GB/s vs 640GB/s...<br />
现在的r9700pro 太贵了。。。</p>
]]></description><link>https://lcz.me/post/17665</link><guid isPermaLink="true">https://lcz.me/post/17665</guid><dc:creator><![CDATA[imbiplaza ASUS]]></dc:creator><pubDate>Sat, 12 Sep 2026 21:10:56 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 20:42:01 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> 原来如此，我是觉得xtx没有fp8而且单卡显存大小稍微有些尴尬，感觉不太划算就排除了。</p>
]]></description><link>https://lcz.me/post/17658</link><guid isPermaLink="true">https://lcz.me/post/17658</guid><dc:creator><![CDATA[Karin Tension]]></dc:creator><pubDate>Sat, 12 Sep 2026 20:42:01 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 20:35:16 GMT]]></title><description><![CDATA[<p dir="auto">R9700，能买就是它，XTX是退而求其次，因为涨价了，有合适的二手就买XTX，R9700单卡可以跑SGLang，XTX不能。</p>
]]></description><link>https://lcz.me/post/17655</link><guid isPermaLink="true">https://lcz.me/post/17655</guid><dc:creator><![CDATA[terry]]></dc:creator><pubDate>Sat, 12 Sep 2026 20:35:16 GMT</pubDate></item><item><title><![CDATA[Reply to 现在想买一张新卡跑qwen3.8 27b, 预算1w左右 on Sat, 12 Sep 2026 20:32:12 GMT]]></title><description><![CDATA[<p dir="auto">预算尬尴，现在1W没有什么好卡。游戏卡5070TI都要1W了吧。要不把6900卖掉，买两张7900XTX?</p>
]]></description><link>https://lcz.me/post/17654</link><guid isPermaLink="true">https://lcz.me/post/17654</guid><dc:creator><![CDATA[番茄胡萝卜]]></dc:creator><pubDate>Sat, 12 Sep 2026 20:32:12 GMT</pubDate></item></channel></rss>