Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 windows x64和x86系统区别
- 分类：win8 发布时间： Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2016年11月29日 15:00:02
windows x64和x86区别是什么呢?x86就是32位系统，那windows x64和x86区别只是64位系统与32位系统区别辣么简单吗?不是的，各个方面来分析的。下面小编就针对windows x64和x86系统区别作了如下的分析结果，你可以一起来看一下，涨知识。
具体区别：
第一，设计初衷不同。64位操作系统的设计初衷是：满足机械设计和分析、三维动画、视频编辑和创作，以及科学计算和高性能计算应用程序等领域中需要大量内存和浮点性能的客户需求。换句简明的话说就是：它们是高科技人员使用本行业特殊软件的运行平台。而32位操作系统是为普通用户设计的。
第二，要求配置不同。64位操作系统只能安装在64位电脑上(CPU必须是64位的)。同时需要安装64位常用软件以发挥64位(x64)的最佳性能。32位操作系统则可以安装在32位(32位CPU)或64位(64位CPU)电脑上。当然，32位操作系统安装在64位电脑上，其硬件恰似“大马拉小车”：64位效能就会大打折扣。安装教程可借鉴：怎么用u盘安装win7系统！
第三，运算速度不同。64位CPU GPRs(General-www.gzlij.com Purpose Registers，通用寄存器)的数据宽度为64位，64位指令集可以运行64位数据指令，也就是说处理器一次可提取64位数据(只要两个指令，一次提取8个字节的数据)，比32位(需要四个指令,一次提取4个字节的数据)提高了一倍，理论上性能会相应提升1倍。
第四，寻址能力不同。64位处理器的优势还体现在系统对内存的控制上。由于地址使用的是特殊的整数，因此一个ALU(算术逻辑运算器)和寄存器可以处理更大的整数，也就是更大的地址。比如，Windows Vista x64 Edition支持多达128 GB的内存和多达16 TB的虚拟内存，而32位CPU和操作系统最大只可支持4G内存。
第五，软件普及不同。目前，64位常用软件比32位常用软件，要少得多的多。道理很简单：使用64位操作系统的用户相对较少。因此，软件开发商必须考虑“投入产出比”，将有限资金投入到更多使用群体的软件之中。这也是为什么64位软件价格相对昂贵的重要原因(将成本摊入较少的发售之中)。
总而言之，Windows 64位操作系统，必须“上”靠64位主机硬件的支撑，“下”靠64位常用软件的协助，才能将64位的优势发挥到极致，“三位一体”缺一不可，就是所谓的承上启下。至于64位电脑可以安装32位操作系统，64位操作系统可以安装32位软件，那是设计上的“向下兼容”，不是64位设计初衷的本来含义。现在你知道windows x64和x86区别在哪里了吧!
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重做系统win7教程
下一篇：
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u盘安装win7系统步骤
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