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	<title>Apple A4 - 版本历史</title>
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	<updated>2026-07-16T20:12:48Z</updated>
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		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{noteTA|G1=IT}}&lt;br /&gt;
{{Infobox CPU&lt;br /&gt;
| name                      = 蘋果公司A4處理器&lt;br /&gt;
| image = Apple_A4_Chip.jpg&lt;br /&gt;
| image_size = 144px&lt;br /&gt;
| caption                   =&lt;br /&gt;
| produced-start            = 2010年4月3日&lt;br /&gt;
| produced-end              =2013年9月10日&lt;br /&gt;
| slowest                   = 800 MHz（用于iPhone、iPod）&amp;lt;br/&amp;gt;或1 GHz（用于iPad）&lt;br /&gt;
| fastest                   =&lt;br /&gt;
| slow-unit                 =&lt;br /&gt;
| fast-unit                 =&lt;br /&gt;
| fsb-slowest               =&lt;br /&gt;
| fsb-fastest               =&lt;br /&gt;
| fsb-slow-unit             =&lt;br /&gt;
| fsb-fast-unit             =&lt;br /&gt;
| hypertransport-slowest    =&lt;br /&gt;
| hypertransport-fastest    =&lt;br /&gt;
| hypertransport-slow-unit  =&lt;br /&gt;
| hypertransport-fast-unit  =&lt;br /&gt;
| size-from                 = [[45纳米制程|45nm]]&lt;br /&gt;
| size-to                   =&lt;br /&gt;
| soldby                    =&lt;br /&gt;
| designfirm                = [[蘋果公司]]&lt;br /&gt;
| manuf1                    = [[三星電子]]&lt;br /&gt;
| core4                     =&lt;br /&gt;
| sock1                     =&lt;br /&gt;
| pack1                     =&lt;br /&gt;
| brand1                    =&lt;br /&gt;
| arch                      = [[ARM架構|ARM]] v7&lt;br /&gt;
| microarch                 =&lt;br /&gt;
| cpuid                     =&lt;br /&gt;
| code                      =&lt;br /&gt;
| numcores                  =  1&lt;br /&gt;
| l1cache                   = 32 kB 指令 + 32 kB 資料&lt;br /&gt;
| l2cache                   = 640 kB&lt;br /&gt;
| l3cache                   =&lt;br /&gt;
| application               = 移动设备&lt;br /&gt;
| successor      = [[Apple A5]]&amp;lt;br/&amp;gt;[[Apple A5X]]&lt;br /&gt;
}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;蘋果A4处理器&amp;#039;&amp;#039;&amp;#039;是一個由[[蘋果公司]]為[[iPad]]、[[iPhone 4|iPhone]][[手機]]等其旗下个人[[移动设备]]（非[[个人电脑]]）所設計的[[系统芯片]]（SoC），由[[三星電子]]代工生產&amp;lt;ref name=&amp;quot;Apple PR&amp;quot;&amp;gt;{{cite press release| url = http://www.apple.com/pr/library/2010/01/27ipad.html| title = Apple Launches iPad| publisher = [[蘋果公司]]| date = January 27, 2010| accessdate = 2010-02-04| archive-url = https://web.archive.org/web/20100130164228/http://www.apple.com/pr/library/2010/01/27ipad.html| archive-date = 2010-01-30| dead-url = yes}}&amp;lt;/ref&amp;gt;。第一代版本运行在1[[GHz]]頻率並內建[[ARM Cortex-A8]][[中央处理器]]&amp;lt;ref name=&amp;quot;Jon Stokes&amp;quot;&amp;gt;{{cite web| url = http://arstechnica.com/apple/2010/02/meet-the-a4-the-ipads-brain.ars| title = The A4 and the A8: secrets of the iPad&amp;#039;s brain| publisher = [[ars technica]]| date =2010-02-02| accessdate = 2010-02-04| archive-date = 2010-03-04| archive-url = https://web.archive.org/web/20100304154907/http://arstechnica.com/apple/2010/02/meet-the-a4-the-ipads-brain.ars| dead-url = no}}&amp;lt;/ref&amp;gt;、[[圖形處理器]]{{tsl|en|PowerVR SGX}}&amp;lt;ref name=&amp;quot;Jon Stokes&amp;quot;/&amp;gt;、[[内存控制器]]等组件。&amp;lt;ref name=&amp;quot;Apple PR&amp;quot; /&amp;gt;&amp;lt;ref&amp;gt;{{cite web |url=http://www.apple.com/ipad/specs/ |title=iPad&amp;amp;nbsp;— Technical specifications and accessories for iPad |publisher=Apple |date= |accessdate=2010-02-04 |archive-date=2013-08-23 |archive-url=https://www.webcitation.org/6J5VBsXBr?url=http://www.apple.com/ipad/specs/ |dead-url=no }}&amp;lt;/ref&amp;gt; 苹果A4晶片在2010年1月27日於蘋果公司的Latest Creation活动中发布。&lt;br /&gt;
&lt;br /&gt;
== 设计技术 ==&lt;br /&gt;
Apple A4基于[[ARM架構]]，第一版发布型号内部集成基于45纳米[[制程]]的一颗[[ARM Cortex-A8]]处理器内核以及一颗PowerVR SGX 535图形处理内核，內含約3000多萬個[[電晶體]]。根据核心显微拍照图显示，其Cortex A8核心和三星自行研发的S5PC110芯片相比，去除了一些接口部件，并将L2 Cache由S5PC110的512KB扩大为640KB，在同等频率下其性能应略好于S5PC110。&lt;br /&gt;
&lt;br /&gt;
== 产品使用 ==&lt;br /&gt;
* Apple [[iPad (第一代)|iPad]]&lt;br /&gt;
* Apple [[iPhone 4]]&lt;br /&gt;
* Apple [[IPod Touch 4|iPod Touch（4代）]]&lt;br /&gt;
* [[Apple TV]]（2010年版）&lt;br /&gt;
&lt;br /&gt;
== 參見 ==&lt;br /&gt;
* [[ARM架構]]&lt;br /&gt;
* [[Apple Silicon]]&lt;br /&gt;
* [[PowerVR]]&lt;br /&gt;
* [[Apple A5]]&lt;br /&gt;
&lt;br /&gt;
== 參考资料 ==&lt;br /&gt;
{{reflist}}&lt;br /&gt;
&lt;br /&gt;
{{苹果公司硬件}}&lt;br /&gt;
{{ARM芯片}}&lt;br /&gt;
&lt;br /&gt;
[[Category:ARM架構]]&lt;br /&gt;
[[Category:Apple晶片]]&lt;br /&gt;
[[Category:2010年面世的產品]]&lt;br /&gt;
[[Category:32位元微處理器]]&lt;/div&gt;</summary>
		<author><name>imported&gt;Kdmjf12000</name></author>
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