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AMD新款Navi 24芯片渲染图曝光，首款6nm工艺的RDNA 2架构GPU

吕嘉俭发布于2021-12-27 18:34 / 关键字： AMD, Navi 24, RDNA 2, RX 6500 XT, RX 6400

上周末有报道指出，AMD将会在明年1月19日发布Radeon RX 6500 XT，而Radeon RX 6400可能会到明年3月份才发布，后者仅限于OEM市场。这两款显卡均采用AMD新款Navi 24核心，这是RDNA 2架构里面向中低端市场的GPU。更让人感兴趣的是，传闻Navi 24将采用6nm工艺制造，晶圆代工厂很可能仍是台积电。
图：最右侧为Navi 24芯片

据VideoCardz报道，收到了Navi 24芯片的渲染图。作为一颗小型GPU，其裸片尺寸估计为141mm²，比基于RDNA架构的Navi 14（158mm² ）更小一些。Navi 24仅有Navi 23一半的规格，配置了16个CU，拥有1024个流处理器，16MB的无限缓存（Infinity Cache），显存位宽也只有64位。
图：左边为Radeon RX 6500 XT，右边为Radeon RX 6400
Navi 24有可能是最后一款基于RDNA 2架构的Navi 2x成员，但却是AMD第一款采用6nm工艺制造的消费级GPU。AMD应该会在接下来的CES 2022大展上，展示基于Navi 24核心的Radeon RX 6500 XT和RX 6400显卡。
预览var tableid = settableid(); document.write(''); Table().init({ title: "AMD Radeon RX 6000系列 GPU 参数表", header: ["型号","Radeon RX 6900 XT","Radeon RX 6800 XT","Radeon RX 6800","Radeon RX 6700 XT","Radeon RX 6700","Radeon RX 6600 XT","Radeon RX 6600","Radeon RX 6500 XT","Radeon RX 6400"], width: '92%', columnWidth: 'MAX', //表格单元宽度，"MAX"最大内容显示，""AVG"平均，"AUTO"自动，指定[15,16,20] id: tableid, data: [ ["GPU","Navi 21 XTX","Navi 21 XT","Navi 21 XL","Navi 22 XT","Navi 22 XL","Navi 23 XT","Navi 23 XL","Navi 24 XT?","Navi 24 XL?"], ["CU数量","80","72","60","40","TBC","32","28","16?","12?"], ["流处理器数量","5120","4608","3840","2560","TBC","2048","1792","1024?","768?"], ["Infinity Cache","128MB","128MB","128MB","96MB","96MB","32MB","32MB","16MB?","16MB?"], ["基础频率","1825MHz","1825MHz","1815MHz","1604MHz","TBC","2064MHz","1626MHz","TBC","TBC"], ["游戏频率","2015MHz","2015MHz","1815MHz","2424MHz","TBC","2359MHz","2044MHz","TBC","TBC"], ["Boost频率","2250MHz","2250MHz","2105MHz","2581MHz","TBC","2589MHz","2491MHz","TBC","TBC"], ["显存容量","16GB G6","16GB G6","16GB G6","12GB G6","12GB/6GB G6?","8GB G6","8GB G6","4GB G6","4GB G6"], ["显存位宽","256-bit","256-bit","256-bit","192-bit","192-bit","128-bit","128-bit","64-bit?","64-bit?"], ["显存速度","16 Gbps","16 Gbps","16 Gbps","16 Gbps","14 Gbps?","16 Gbps","14 Gbps","16 Gbps?","14 Gbps?"], ["TGP","300W","300W","250W","230W","TBC","160W","132W","107W?","53W?"], ["发布时间","Dec 2020","Nov 2020","Nov 2020","Mar 2021","TBC","Aug 2021","Oct 2021","Jan 2022?","Mar 2022?"], ] });

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AMD Radeon RX 6500 XT或于明年1月19日发布，Navi 24采用6nm工艺？

吕嘉俭发布于2021-12-25 09:40 / 关键字： AMD, Navi 24, RDNA 2, RX 6500 XT, RX 6400

如无意外，我们将在下个月看到英伟达面向桌面平台发布流传超过一年的GeForce RTX 3050，英特尔则会有Xe-HPG架构的入门级Alchemist显卡（DG2-128EU）。随着明年初英伟达和英特尔在入门级显卡上发力，AMD也即将推出传闻已久的Navi 24迎战，中低端显卡市场将迎来久违的竞争，迎接全新的GPU架构。
据VideoCardz报道，AMD将会在明年1月19日发布Radeon RX 6500 XT。此外，AMD的合作伙伴并不会向零售市场发售Radeon RX 6400，将仅限于OEM市场。根据之前的消息，Radeon RX 6400可能会在明年3月份发布。AMD很可能在接下来的CES 2022大展上，展示基于Navi 24核心的Radeon RX 6500 XT和RX 6400显卡。

图：左边为Radeon RX 6500 XT，右边为Radeon RX 6400
相比发布时间，更让人感兴趣的是Navi 24核心的新传言，这款GPU将采用6nm工艺制造。虽然没有具体说明哪间晶圆代工厂，但很可能仍是台积电，这意味着Navi 24将与英特尔第一代锐炫（Intel Arc）Alchemist显卡采用相同的工艺制造。有趣的是，过去有消息指AMD的下一代的Radeon RX 7000系列将由RDNA 2和RDNA 3架构的GPU组成，其中RDNA 2架构GPU会采用6nm工艺制造。基于RDNA 3架构的Navi 31/Navi 32/Navi 33面向中高端市场，将采用5nm工艺制造，而中低端市场则有6nm工艺的产品负责。
AMD Radeon RX 6500 XT和RX 6400均采用Navi 24核心，配置了16MB的无限缓存、1MB的L2缓存、以及128KB的L1缓存。前者将配置16个CU，拥有1024个流处理器，后者只有12个CU，流处理器数量为768个。两款显卡会配备4GB的GDDR6显存，显存位宽为64位。传闻Radeon RX 6500 XT和RX 6400的GDDR6显存速率分别为16 Gbps和14 Gbps，对应的显存带宽是128 GB/s和112 GB/s。据称AMD将使用新的宣传方式，即具有无限缓存（Infinity Cache）的显存带宽，Radeon RX 6500 XT和RX 6400将标称为232 GB/s和216 GB/s。
功耗方面，Radeon RX 6500 XT和RX 6400分别为107W和53W。从泄露的渲染图看到，基于前者（Navi 24 XT）的显卡是双槽规格，会有一个6Pin外接供电接口，基于后者（Navi 24 XL）的显卡将是单槽半高规格，不需要外接供电。两款显卡都会配备两种显示输出端口，分别是DisplayPort和HDMI。有点遗憾的是，目前仍然不清楚Radeon RX 6500 XT和RX 6400的核心频率是多少，此前传闻Navi 24核心频率可能会比较高，甚至达到2.8 GHz或以上。
预览var tableid = settableid(); document.write(''); Table().init({ title: "AMD Radeon RX 6000系列 GPU 参数表", header: ["型号","Radeon RX 6900 XT","Radeon RX 6800 XT","Radeon RX 6800","Radeon RX 6700 XT","Radeon RX 6700","Radeon RX 6600 XT","Radeon RX 6600","Radeon RX 6500 XT","Radeon RX 6400"], width: '92%', columnWidth: 'MAX', //表格单元宽度，"MAX"最大内容显示，""AVG"平均，"AUTO"自动，指定[15,16,20] id: tableid, data: [ ["GPU","Navi 21 XTX","Navi 21 XT","Navi 21 XL","Navi 22 XT","Navi 22 XL","Navi 23 XT","Navi 23 XL","Navi 24 XT?","Navi 24 XL?"], ["CU数量","80","72","60","40","TBC","32","28","16?","12?"], ["流处理器数量","5120","4608","3840","2560","TBC","2048","1792","1024?","768?"], ["Infinity Cache","128MB","128MB","128MB","96MB","96MB","32MB","32MB","16MB?","16MB?"], ["基础频率","1825MHz","1825MHz","1815MHz","1604MHz","TBC","2064MHz","1626MHz","TBC","TBC"], ["游戏频率","2015MHz","2015MHz","1815MHz","2424MHz","TBC","2359MHz","2044MHz","TBC","TBC"], ["Boost频率","2250MHz","2250MHz","2105MHz","2581MHz","TBC","2589MHz","2491MHz","TBC","TBC"], ["显存容量","16GB G6","16GB G6","16GB G6","12GB G6","12GB/6GB G6?","8GB G6","8GB G6","4GB G6","4GB G6"], ["显存位宽","256-bit","256-bit","256-bit","192-bit","192-bit","128-bit","128-bit","64-bit?","64-bit?"], ["显存速度","16 Gbps","16 Gbps","16 Gbps","16 Gbps","14 Gbps?","16 Gbps","14 Gbps","16 Gbps?","14 Gbps?"], ["TGP","300W","300W","250W","230W","TBC","160W","132W","107W?","53W?"], ["发布时间","Dec 2020","Nov 2020","Nov 2020","Mar 2021","TBC","Aug 2021","Oct 2021","Jan 2022?","Mar 2022?"], ] });

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PowerColor向EEC提交多款RX 6400/6500 XT显卡，含Hellbound和Fighter系列

吕嘉俭发布于2021-12-14 12:16 / 关键字： AMD, PowerColor, Navi 24, RDNA 2, RX 6500 XT, RX 6400

最近PowerColor向欧亚经济委员会（EEC）提交了新的文件，涉及AMD即将推出的Radeon RX 6500 XT和Radeon RX 6400显卡。这些显卡分别属于Hellbound和Fighter系列，其中Radeon RX 6500 XT有十款，Radeon RX 6400有六款。

AMD Radeon RX 6500 XT和RX 6400均采用Navi 24核心，配置了16MB的无限缓存、1MB的L2缓存、以及128KB的L1缓存。前者将配置16个CU，拥有1024个流处理器，后者只有12个CU，流处理器数量为768个，但不需要外接供电。两款显卡会配备4GB的GDDR6显存，显存位宽为64位，显存速率为14 Gbps，对应的显存带宽为112 GB/s。
此外，PowerColor还提交了一款名为BC-2235的板卡，很可能是矿卡，最大特征是配备了10GB的显存。暂时还不清楚BC-2235会搭载哪一款GPU，有可能与蓝宝石的GPRO X080是一样配置，采用Navi 22核心，显存位宽为160位，配备10GB的GDDR6显存。
预览var tableid = settableid(); document.write(''); Table().init({ title: "AMD Radeon RX 6000系列 GPU 参数表", header: ["型号","Radeon RX 6900 XT","Radeon RX 6800 XT","Radeon RX 6800","Radeon RX 6700 XT","Radeon RX 6700","Radeon RX 6600 XT","Radeon RX 6600","Radeon RX 6500 XT","Radeon RX 6400"], width: '92%', columnWidth: 'MAX', //表格单元宽度，"MAX"最大内容显示，""AVG"平均，"AUTO"自动，指定[15,16,20] id: tableid, data: [ ["GPU","Navi 21 XTX","Navi 21 XT","Navi 21 XL","Navi 22 XT","Navi 22 XL","Navi 23 XT","Navi 23 XL","Navi 24?","Navi 24?"], ["CU数量","80","72","60","40","TBC","32","28","16?","12?"], ["流处理器数量","5120","4608","3840","2560","TBC","2048","1792","1024?","768?"], ["Infinity Cache","128MB","128MB","128MB","96MB","96MB","32MB","32MB","16MB?","16MB?"], ["基础频率","1825MHz","1825MHz","1815MHz","1604MHz","TBC","2064MHz","1626MHz","TBC","TBC"], ["游戏频率","2015MHz","2015MHz","1815MHz","2424MHz","TBC","2359MHz","2044MHz","TBC","TBC"], ["Boost频率","2250MHz","2250MHz","2105MHz","2581MHz","TBC","2589MHz","2491MHz","TBC","TBC"], ["显存容量","16GB G6","16GB G6","16GB G6","12GB G6","12GB/6GB G6?","8GB G6","8GB G6","4GB G6","4GB G6"], ["显存位宽","256-bit","256-bit","256-bit","192-bit","192-bit","128-bit","128-bit","64-bit?","64-bit?"], ["显存速度","16 Gbps","16 Gbps","16 Gbps","16 Gbps","14 Gbps?","16 Gbps","14 Gbps","14 Gbps?","14 Gbps?"], ["TGP","300W","300W","250W","230W","TBC","160W","132W","TBC","≤75W"], ["发布时间","Dec 2020","Nov 2020","Nov 2020","Mar 2021","TBC","Aug 2021","Oct 2021","Jan 2022?","Mar 2022?"], ] });

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AMD Radeon RX 6500 XT将登陆联想Legion T5，确认显存为4GB

吕嘉俭发布于2021-12-13 09:33 / 关键字： AMD, RDNA 2, Navi 24, RX 6500 XT

此前有消息指，AMD将在明年推出Radeon RX 6500 XT，会在2022年1月中旬上市。随着发布时间的临近，泄露的信息越来越频繁，同时越来越具体。对于PC制造商来说，如果采用某些即将发布的产品，也会提前做好相关准备工作。

推特用户@KOMACHI_ENSAKA发现，联想在一份12月9日的文档中提到了Legion T5台式主机的显卡可选配置，其中就有AMD Radeon RX 6500 XT。信息显示，这张显卡配备了一个DisplayPort 1.4a端口和一个HDMI 2.1端口，均支持7680 x 4320@60Hz输出。相比可选的另外一款AMD Radeon RX 5500显卡，最大的变化在于采用了RDNA 2架构，并支持新标准端口。
不过联想并没有提供Radeon RX 6500 XT的完整规格，据称将配备完整规格的Navi 24核心，拥有1024个流处理器，显存速率为14 Gbps，对应的显存带宽为112 GB/s，仍然需要外接供电。AMD很可能在明年初CES 2022大展上（1月4日）提及这款显卡。
预览var tableid = settableid(); document.write(''); Table().init({ title: "AMD Radeon RX 6000系列 GPU 参数表", header: ["型号","Radeon RX 6900 XT","Radeon RX 6800 XT","Radeon RX 6800","Radeon RX 6700 XT","Radeon RX 6700","Radeon RX 6600 XT","Radeon RX 6600","Radeon RX 6500 XT","Radeon RX 6400"], width: '92%', columnWidth: 'MAX', //表格单元宽度，"MAX"最大内容显示，""AVG"平均，"AUTO"自动，指定[15,16,20] id: tableid, data: [ ["GPU","Navi 21 XTX","Navi 21 XT","Navi 21 XL","Navi 22 XT","Navi 22 XL","Navi 23 XT","Navi 23 XL","Navi 24?","Navi 24?"], ["CU数量","80","72","60","40","TBC","32","28","16?","12?"], ["流处理器数量","5120","4608","3840","2560","TBC","2048","1792","1024?","768?"], ["Infinity Cache","128MB","128MB","128MB","96MB","96MB","32MB","32MB","16MB?","16MB?"], ["基础频率","1825MHz","1825MHz","1815MHz","1604MHz","TBC","2064MHz","1626MHz","TBC","TBC"], ["游戏频率","2015MHz","2015MHz","1815MHz","2424MHz","TBC","2359MHz","2044MHz","TBC","TBC"], ["Boost频率","2250MHz","2250MHz","2105MHz","2581MHz","TBC","2589MHz","2491MHz","TBC","TBC"], ["显存容量","16GB G6","16GB G6","16GB G6","12GB G6","12GB/6GB G6?","8GB G6","8GB G6","4GB G6","4GB G6"], ["显存位宽","256-bit","256-bit","256-bit","192-bit","192-bit","128-bit","128-bit","64-bit?","64-bit?"], ["显存速度","16 Gbps","16 Gbps","16 Gbps","16 Gbps","14 Gbps?","16 Gbps","14 Gbps","14 Gbps?","14 Gbps?"], ["TGP","300W","300W","250W","230W","TBC","160W","132W","TBC","≤75W"], ["发布时间","Dec 2020","Nov 2020","Nov 2020","Mar 2021","TBC","Aug 2021","Oct 2021","Jan 2022?","Mar 2022?"], ] });

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