[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"home:siteConfig":3,"decision-compare:brand":17,"decision-compare:faq-hot:zh":36,"decision-compare:zh:ryzen-9-7900x-vs-ryzen-9-9900x":131,"decision-compare:faq:zh:ryzen-9-7900x-vs-ryzen-9-9900x":292,"decision-compare:related-list:zh:ryzen-9-7900x-vs-ryzen-9-9900x":337},{"code":4,"data":5,"msg":16},1000,{"s_title":6,"s_slogan":7,"s_description":8,"s_keywords":9,"s_logo_url":10,"s_favicon_url":11,"s_og_image_url":12,"s_site_url":13,"s_og_title":6,"s_og_description":8,"s_icp":14,"s_gongan_icp":9,"s_copyright":15},"极库","极客装机，酷无止境","极库（GeeCool）是 DIY 硬件社区，分享装机作品、发现装机灵感，探索 CPU、显卡、内存等硬件信息，与极客玩家一起交流。","","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fsite\u002Flogo\u002F852e2056-6a54-4c8c-ab3a-b423075227df.png","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fsite\u002Ffavicon\u002F8a8d0f4e-a624-4a59-a38f-502c1e017480.ico","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fsite\u002Fog\u002F28d69746-a0ef-4aa0-825f-38d9562c3a57.png","https:\u002F\u002Fwww.geecool.net","蜀ICP备2024109955号-2","© 2026 GeeCool. All rights reserved.","成功",{"code":4,"data":18,"msg":16},[19,26,31],{"id":20,"sort":21,"s_name":22,"s_identifier":23,"s_icon_url":24,"s_wide_image_url":25},1,0,"Intel","INTEL","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fbrand\u002Ficon\u002F7a8f0d43-aa34-4ae6-b527-5e4dd4406b3a.png","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fbrand\u002Fwide\u002F5fa18192-e149-4a29-b005-d8fb84fb6d6c.png",{"id":27,"sort":21,"s_name":28,"s_identifier":29,"s_icon_url":30,"s_wide_image_url":9},3,"Nvidia","NVIDIA","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fbrand\u002Ficon\u002F36e9735e-c4fd-4e81-9f8e-7be5e8b28ef1.png",{"id":32,"sort":20,"s_name":33,"s_identifier":33,"s_icon_url":34,"s_wide_image_url":35},2,"AMD","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fbrand\u002Ficon\u002Fcb1f17f9-d291-4f7c-b323-799f5f66976c.png","https:\u002F\u002Fcdn.geecool.net\u002Fconfig\u002Fbrand\u002Fwide\u002F32656cc6-804f-45ae-9d66-7953b3f40855.png",[37,43,48,53,58,64,69,73,78,82,87,92,95,100,105,110,115,119,123,127],{"slug":38,"type":38,"question":39,"answer":40,"page":41,"heat":42},"gaming","用 Core Ultra 5 325 装机打游戏，1080p、2K、4K 怎么配显卡？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  8 核 8 线程打游戏完全够，瓶颈几乎永远在显卡。1080p 高刷配 RTX 5060\u002F5070 级别，2K 配 5070 Ti 或 RX 9070 XT 级别，4K 就把预算全给显卡和显存。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  一句话：预算往显卡倾斜，CPU 选它不会成为短板。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-5-325",479,{"slug":38,"type":38,"question":44,"answer":45,"page":46,"heat":47},"笔记本搭载 Core Ultra 5 225U 打游戏够不够？CPU 还是显卡更关键？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  225U 只有 2 个 P 核，单核性能可应付网游但无法支撑 3A 大作；核显较弱，1080p 低画质下 LOL、CS2 勉强流畅。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  它面向长续航办公场景，游戏不是设计重点。以游戏为主要需求，H 系列独显本更合适。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-5-225u",476,{"slug":38,"type":38,"question":49,"answer":50,"page":51,"heat":52},"笔记本搭载 Core Ultra 5 225H 打游戏够不够？CPU 还是显卡更关键？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Core Ultra 5 225H 是 14 核 14 线程的标压 H 系，配主流独显打游戏完全够格，帧数卡不卡看两件事：独显型号+实际 TGP（含 Dynamic Boost），以及这台机的 CPU 持续包功耗。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  1080p 高刷或电竞游戏对 CPU 帧时间敏感，2K\u002F4K 基本由 GPU 决定。想验证瓶颈，插电开性能模式，用 HWiNFO 记录 15 分钟游戏：GPU 利用率接近 95% 且功耗贴近 TGP，就是显卡限制；GPU 利用率上不去（低于约 90%）而 CPU 有线程饱和，则检查 CPU 功耗墙、散热和性能模式。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-5-225h",474,{"slug":38,"type":38,"question":54,"answer":55,"page":56,"heat":57},"笔记本搭载 Core Ultra 7 255H 打游戏够不够？CPU 还是显卡更关键？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  255H 游戏本先看独显 TGP 和 CPU 持续功耗，16 核 16 线程只是其次。1080p 高刷更吃 CPU 内存，2K\u002F4K 先看显卡。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  买之前核对 TGP、插电后两种模式下的实际功耗、有没有独显直连。同名显卡 TGP 差一截，比处理器型号更能改变游戏结果。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-7-255h",464,{"slug":59,"type":59,"question":60,"answer":61,"page":62,"heat":63},"cooling","Core Ultra 7 270K Plus 需要多大散热器？打游戏和全核跑满有什么区别？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  游戏 270K Plus 用高规格双塔或 240\u002F280 水冷。解除功耗限制后持续全核编译编码渲染超 180W，就上顶级双塔或 360 水冷。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  跑 15-20 分钟全核看包功耗、频率和 VRM 状态，掉得明显就降功耗或升级散热。确认 LGA1851 扣具和机箱排热。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-7-270k-plus",452,{"slug":65,"type":65,"question":66,"answer":67,"page":56,"heat":68},"cores","Core Ultra 7 255H 几核几线程？打游戏、剪视频会不会拖后腿？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  16 核 16 线程，注意 Arrow Lake 移动版同样没有超线程。游戏、开发、中度剪辑按这个规模看是够的。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  大型编译和长视频导出能吃满全部线程，但笔记本能不能一直保持这个性能，取决于整机功耗墙、独显 TGP 和散热，光看型号没意义。\u003C\u002Fp>",451,{"slug":65,"type":65,"question":70,"answer":71,"page":51,"heat":72},"Core Ultra 5 225H 几核几线程？打游戏、剪视频会不会拖后腿？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  14 核 14 线程（4 性能核 + 8 能效核 + 2 低功耗核），性能核基频 1.7GHz、睿频 4.9GHz，L3 缓存 18MB，Arrow Lake 平台，2025 年 Q1 发布。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  225H 和 235H 同架构，只是基频低一些，日常体验几乎无差别；14 线程在游戏、开发、剪辑里都够，持续重负载受笔记本功耗墙限制。这个档位选机器看价格和模具散热就行。\u003C\u002Fp>",450,{"slug":65,"type":65,"question":74,"answer":75,"page":76,"heat":77},"Core Ultra 7 255HX 几核几线程？打游戏、剪视频会不会拖后腿？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Core Ultra 7 255HX 是 20 核 20 线程（8 性能核 + 12 能效核，无超线程），Arrow Lake，基础 2.4GHz、最高 5.2GHz，L3 30MB。它和 265HX 是同一颗硅片的两个频率档位，规格几乎一样，265HX 只是睿频略高 0.1GHz，实际跑游戏、剪视频、编译的差距都在 3% 以内。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  所以选机器时这两个型号不值得纠结，同一模具下的 255HX 和 265HX 用起来几乎没有区别。真正决定这台 HX 本性能上限的是整机的功耗释放和散热设计，同样是 20 核 20 线程，给 60W 和给 150W 是两台不同的电脑。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-7-255hx",444,{"slug":79,"type":79,"question":80,"answer":81,"page":62,"heat":77},"motherboard","给 Core Ultra 7 270K Plus 配什么主板合适？供电、内存、接口怎么平衡？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  270K Plus 使用 LGA1851、800 系列芯片组与 DDR5。超频选 Z890，默认使用选供电扎实的 B860，H810 难以承载 24 核高功耗持续负载。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  核对 BIOS 与 CPU 支持表，再按显卡、M.2、USB、网卡与 VRM 散热取舍。长期编译渲染的预算优先给供电与散热，而非装饰性接口。\u003C\u002Fp>",{"slug":65,"type":65,"question":83,"answer":84,"page":85,"heat":86},"Core Ultra 7 356H 几核几线程？打游戏、剪视频会不会拖后腿？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Core Ultra 7 356H 是 16 核 16 线程，H 后缀代表高性能移动平台。游戏的 1080p 高刷看单核和独显 TGP，2K\u002F4K 通常看 GPU；编译、编码、剪辑和 CPU 渲染可利用 16 条线程，但长时间性能必须核对 CPU 持续包功耗、性能模式和共享散热。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  具体机型的 10 至 15 分钟功耗\u002F频率日志比峰值睿频更能说明它是否适合长任务。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-7-356h",436,{"slug":65,"type":65,"question":88,"answer":89,"page":90,"heat":91},"Core i7 14650HX 几核几线程？打游戏、剪视频会不会拖后腿？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  16 核 24 线程的 HX 移动 U，游戏本常见配置。这规格的“够不够”关键在整机能不能一直喂饱，而不只是参数。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  办公、多任务按规格判断就行；编码、渲染得看具体机型。14 代 HX 记得更新 BIOS 微码。同样的 U，厚机本比轻薄本强得多。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-i7-14650hx",428,{"slug":38,"type":38,"question":93,"answer":94,"page":76,"heat":91},"笔记本搭载 Core Ultra 7 255HX 打游戏够不够？CPU 还是显卡更关键？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Core Ultra 7 255HX 是 24 核 24 线程的 HX 处理器。游戏性能主要看显卡和模具，255HX 不是瓶颈：两台机摆一起，一台上 4060 满功耗加独显直连，一台上 4070 但 80W 锁功耗还没直连，前者游戏体验可能更好。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  选 255HX 游戏本：显卡 TGP、MUX、性能模式功耗，三样确认完再比价。CPU 型号本身不用纠结。\u003C\u002Fp>",{"slug":96,"type":96,"question":97,"answer":98,"page":90,"heat":99},"power","Core i7 14650HX 在不同功耗模式下性能差多少？什么时候该开性能模式？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  短时间使用的话，性能模式的意义不大，那是给持续满载任务准备的。14650HX 的额定功耗不是实际功耗。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  开不开性能模式，看任务时长、噪声和散热余量。短任务用平衡就够，风扇也安静不少。\u003C\u002Fp>",406,{"slug":101,"type":102,"question":103,"answer":104,"page":90,"heat":99},"battery","general","搭载 Core i7 14650HX 的笔记本能用多久？不插电办公和打游戏分别能撑多久？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  续航是整机指标：电池容量、屏幕和低负载功耗决定办公续航，独显功耗和插电条件决定游戏体验。14650HX 无法单独推算出小时数。HX 机型不插电游戏基本不现实，办公续航重点看电池 Wh 和混合显卡设置。\u003C\u002Fp>",{"slug":38,"type":38,"question":106,"answer":107,"page":108,"heat":109},"Core i5 14400F 打游戏表现怎么样？和便宜型号差距大吗？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  14400F 配中端独显很合适：1080p 高刷更看 CPU 单核、内存和引擎，2K\u002F4K 基本是显卡决定。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  跟便宜型号比，锁同一显卡、内存、驱动和功耗设置，再看同场景的 1% low。如果你还要边玩边直播、录制或编译，注意 CPU 会不会长期满载，多线程负载比单纯打游戏更早碰到功耗和散热天花板。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-i5-14400f",400,{"slug":38,"type":38,"question":111,"answer":112,"page":113,"heat":114},"笔记本搭载 Core Ultra 5 338H 打游戏够不够？CPU 还是显卡更关键？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Core Ultra 5 338H 是 14 核 14 线程的中端标压处理器，配主流独显玩 1080p 高刷和 2K 都没问题，帧数上限由显卡决定。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  判断方法：插电性能模式用 HWiNFO 记录 15 分钟，GPU 利用率约 95% 且功耗贴近 TGP，瓶颈在显卡；GPU 利用率低而 CPU 线程饱和，检查 CPU 功耗墙、散热和模式。电竞类（LOL\u002FCS2）对 CPU 帧时间敏感，可优先保证高频内存和双通道。别把核心数当帧数。\u003C\u002Fp>","\u002Fcpu\u002Fintel\u002Fcore-ultra-5-338h",399,{"slug":96,"type":96,"question":116,"answer":117,"page":76,"heat":118},"Core Ultra 7 255HX 在不同功耗模式下性能差多少？什么时候该开性能模式？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  255HX 的功耗模式实测方法照旧：性能模式全核 10 分钟，看 Package Power 和 GPU 功耗分配。这代 HX 的功耗策略整体不错，但机身散热仍是天花板。插电打游戏或渲染开性能模式，风扇噪音大点就大点；离电办公平衡模式，续航更重要。\u003C\u002Fp>",397,{"slug":38,"type":38,"question":120,"answer":121,"page":62,"heat":122},"Core Ultra 7 270K Plus 打游戏表现怎么样？和便宜型号差距大吗？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Core Ultra 7 270K Plus 是 24 核 24 线程（Arrow Lake 无超线程）的桌面处理器。1080p 高刷吃 CPU 单核、内存和引擎，2K 是 CPU\u002FGPU 平衡，4K 基本看显卡；24 核更适合边编译、边直播、边渲染的用法。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  对比便宜型号时固定显卡、内存、驱动和 BIOS 功耗，测同场景帧时间。核心数不能替代实测，别据此报帧数。游戏场景它的性价比一般，生产力才是主场。\u003C\u002Fp>",389,{"slug":38,"type":38,"question":124,"answer":125,"page":90,"heat":126},"笔记本搭载 Core i7 14650HX 打游戏够不够？CPU 还是显卡更关键？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  14650HX 的 CPU 资源参与游戏绰绰有余，但“够不够”取决于装进哪台机器。独显规格、功耗墙和屏幕分辨率，比单看 CPU 更有参考价值。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  买游戏本重点是独显 TGP、独显直连和散热，CPU 型号反而是次要的。\u003C\u002Fp>",388,{"slug":101,"type":102,"question":128,"answer":129,"page":76,"heat":130},"搭载 Core Ultra 7 255HX 的笔记本能用多久？不插电办公和打游戏分别能撑多久？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  255HX 平台轻办公约 5 小时，游戏必须插电。离电省电就三样：混合显卡、60Hz、平衡模式。后台软件和屏幕亮度对续航的影响比 CPU 型号大，对比两台机器先把这些条件对齐。想要长续航，选轻薄本，不是 HX 本。\u003C\u002Fp>",387,{"cpuA":132,"cpuB":213,"winnerSlug":215,"recommendation":254,"scenarios":259,"diffRows":270,"faq":288},{"id":133,"slug":134,"name":135,"brand":136,"gee_cool_page":137,"intro":138,"features":139,"metrics":142,"highlights":162,"scores":184},"sdNcYDZ8qXGRPbVPTQRVng","ryzen-9-7900x","AMD Ryzen™ 9 7900X","amd","\u002Fcpu\u002Famd\u002Fryzen-9-7900x","AMD Ryzen™ 9 7900X is a powerful gaming and streaming desktop processor that comes with 12 CPU cores, 24 threads & a base clock speed of 4.7GHz.",[140,141],"large_cache","avx512",{"cores":143,"threads":147,"boost":151,"cache":155,"tdp":158},{"value":144,"display":145,"percent":146},12,"12 \u002F 24",50,{"value":148,"display":149,"percent":150},24,"24",75,{"value":152,"display":153,"percent":154},5.6,"5.6 GHz",93,{"value":156,"display":157,"percent":146},64,"64 MB",{"value":159,"display":160,"percent":161},170,"170 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核的能效再定。\u003C\u002Fp>",260,{"slug":79,"type":79,"question":300,"answer":301,"page":137,"heat":302},"给 Ryzen 9 7900X 配什么主板合适？供电、内存、接口怎么平衡？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  7900X 使用 B650\u002FB650E 或 B850 均可，12 核对供电要求不高；二手主板先确认 BIOS 版本，安装 CPU 前完成更新。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  2026 年 AM5 主板价格合理，但不必为旧 CPU 购买新旗舰板。主板按需求购买，CPU 按价格评估，两者互不冲突。\u003C\u002Fp>",239,{"slug":38,"type":38,"question":304,"answer":305,"page":137,"heat":306},"用 Ryzen 9 7900X 装机打游戏，1080p、2K、4K 怎么配显卡？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  12 核非 X3D 的游戏水平：1080p 高刷不错，2K\u002F4K 看显卡。它和现在的主流 8 核游戏差距很小。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  老平台 CPU 配卡的原则反而更简单：显卡按显示器买，CPU 按干活买。它的 12 核是给生产力用的，不是给游戏用的。\u003C\u002Fp>",230,{"slug":59,"type":59,"question":308,"answer":309,"page":137,"heat":310},"Ryzen 9 7900X 需要多大散热器？打游戏和全核跑满有什么区别？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  12 核 Zen 4 功耗中等，双塔风冷或 240\u002F280mm 水冷足够，长期全核负载再考虑 280mm 以上。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  二手到手先跑全核负载验证频率，确认没有暴力使用痕迹，再根据结果定散热配置。\u003C\u002Fp>",225,{"slug":265,"type":265,"question":312,"answer":313,"page":137,"heat":314},"放弃 3D 缓存的 7900X，AI 上到底是让步还是没损失？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  7900X 的 64MB L3 少了交互推理那点甜头，可它的主场在另一类负载：RAG 切块、数据清洗、embedding、批量量化推理看内存和核数多过看缓存，12 核 24 线程、5.6GHz 睿频和 AVX-512 稳稳接住，4.7GHz 的基础频率还让短时单流推理不拖后腿。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  摸清自己跑的是吞吐活，把省下的 X3D 差价投进内存颗粒，回报比缓存直接；抱着交互延迟需求的人，128MB 版才该进清单。桌面 AI 的钱要花在最先见底的那项资源上，而你的负载决定哪一项先见底。\u003C\u002Fp>",191,{"page":217,"isCompared":258,"list":316},[317,321,325,329,333],{"slug":38,"type":38,"question":318,"answer":319,"page":217,"heat":320},"用 Ryzen 9 9900X 装机打游戏，1080p、2K、4K 怎么配显卡？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  Ryzen 9 9900X 是 12 核 24 线程，Zen 5 架构，AM5 平台，基础 4.4GHz、最高加速 5.6GHz，L3 64MB（无 3D V-Cache），TDP 120W，2024 年 8 月发布。12 核非 X3D 的游戏表现是“主流之上”：1080p 高刷不错，2K\u002F4K 看显卡，和 9700X 的游戏差距很小，常在误差范围内。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  配卡就按分辨率和显示器走，12 核不构成加钱买显卡的理由。它的价值在生产力：视频剪辑、编译这类吃多核的负载是它和 9700X 拉开差距的地方，游戏不是它的溢价来源。\u003C\u002Fp>",250,{"slug":79,"type":79,"question":322,"answer":323,"page":217,"heat":324},"给 Ryzen 9 9900X 配什么主板合适？供电、内存、接口怎么平衡？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  9900X 使用 B650\u002FB850 即可，12 核对供电要求不高；长期全核满载运行时，优先选择 VRM 散热较好的型号。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  与 9900X3D 共用平台逻辑：按需求选板而非按 CPU 价位选板，省下的预算给显卡或内存。\u003C\u002Fp>",240,{"slug":59,"type":59,"question":326,"answer":327,"page":217,"heat":328},"Ryzen 9 9900X 需要多大散热器？打游戏和全核跑满有什么区别？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  双塔风冷或 240\u002F280mm 水冷足够，游戏负载下很轻松。只有长期全核负载才需要 280mm 以上散热。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  12 核的散热难度低于 16 核，中等预算即可。装好后跑一次全核负载验证频率稳定就完成。\u003C\u002Fp>",238,{"slug":265,"type":265,"question":330,"answer":331,"page":217,"heat":332},"9900X 撑起 256GB 内存，本地 AI 能装多大的模型、又能跑多快？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  9900X 的本钱是 256GB 上限：双通道带宽喂不饱最大的模型，容量却能装下很大的模型，纯 CPU 推理时能驻留的档位跟着内存走，12 核 24 线程、5.6GHz 睿频、AVX-512 管预填充和逐 token 生成，数据预处理与推理两头都不掉链子。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  真吃这 256GB 得先接受带宽是墙：几十 B 级的模型加载得动，生成速度仍由带宽定。它适合先要装得下、再谈快慢的人；追每 token 速度的，GPU 才是出路。先量好自己的模型多大，再看这 256GB 值不值。\u003C\u002Fp>",232,{"slug":65,"type":65,"question":334,"answer":335,"page":217,"heat":336},"Ryzen 9 9900X 是多少核多少线程？打游戏和干活分别够用吗？","\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  9900X 是 12 核 24 线程，Zen 5 通用型号。它夹在 9700X 和 9950X 之间，位置有点尴尬：多核需求一般的人 9700X 就够，重度生产力直接 9950X。\u003C\u002Fp>\u003Cp style=\"margin:0 0 4px;line-height:1.5;\">  所以 9900X 只有在促销价明显低于 9950X、又确实需要 12 核时才值得买。2026 年市场上它经常有好价，蹲到再下手不迟。\u003C\u002Fp>",222,[338,341,345,349,352,358,362,365,369,372,376,378,384,386,389,392,395,398,402,405],{"slug_a":339,"slug_b":340,"name_a":9,"name_b":9,"i_heat":314},"core-i7-13645hx","core-i7-13700hx",{"slug_a":342,"slug_b":343,"name_a":9,"name_b":9,"i_heat":344},"core-i7-14650hx","core-ultra-7-251hx",88,{"slug_a":346,"slug_b":347,"name_a":9,"name_b":9,"i_heat":348},"ryzen-threadripper-pro-3955wx","xeon-platinum-9282",83,{"slug_a":350,"slug_b":351,"name_a":9,"name_b":9,"i_heat":205},"core-ultra-9-275hx","core-ultra-9-290hx-plus",{"slug_a":353,"slug_b":354,"name_a":355,"name_b":356,"i_heat":357},"core-i5-12490f","core-i5-13600kf","Intel® Core™ i5-12490F Processor","Intel® Core™ i5-13600KF 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