推荐回答(2个)
目前为止酷睿i5处理器共有以下几款:
1.I5 650、660、661、670均为双核、32nm进程、集成显示芯片、支持超线程技术、4m三级缓存。
2.I5 750,750S,760-全部四核,45nm工艺,无集成显示芯片,不支持超线程技术,8m三级缓存。
3.最新的Sandy Bridge核心的i5 2300、2400都是四核、集成显示芯片,不支持超线程技术,6m三级缓存,I52400s,2500K-双核,32nm进程,集成显示芯片,后者支持超线程技术,6m三级缓存。
4.家用的话,一般是双核选650、四核选750、760,最新的2300、2400现在不用考虑,后面有M的表示是笔记本用处理器,560M与560UM的区别在于后者是超低电压版处理器,在功耗和电压上都小于前者。

扩展资料
睿频简单来说可以认为他是一个处理器内置的主动超频技术,在处理复杂程序时,能够自动提升运行速度,从而提高工作效率。比如最低主频的酷睿i5-430M,当使用过程中激发睿频加速功能时,处理器速度可由原来的2.26GHz最高提升至2.53GHz。
不过为了保证稳定性,睿频加速时,会自动停止其它核心的运算,也就是说,睿频其实是单核超频技术。但仅凭这一招鲜,也足以让i5的性能凌驾于i3之上。
仅600分的性能差,并不足以影响用户的选择方向,最终还是要看价格。以性价比而闻名的品牌有ACER和神舟,我们对比一下两个品牌,相同系列产品,i3和i5本本之间的价格差为500元左右,而一些较低主频的i5产品,价格已经与i3持平。
英特尔高级智能高速缓存还有其他方面的优势,每个核心都可以动态支配全部二级高速缓存。当某一个内核当前对缓存的利用较低时,另一个内核就可以动态增加占用二级缓存的比例。
甚至当其中的一个内核关闭时,仍可以保持全部缓存在工作状态,另外也可以根据需求关闭部分缓存来降低功耗。
这样可以降低二级缓存的命中失误,减少数据延迟,改进处理器效率,增加绝对性能和每瓦特性能。
参考资料
百度百科--酷睿i5
Intel 酷睿i5 2430M
Intel 酷睿i5 2410M
Intel 酷睿i5 430M
Intel 酷睿i5 2540M
Intel 酷睿i5 2520M
Intel 酷睿i5 540M
Intel 酷睿i5 520M
Intel 酷睿i5 580M
Intel 酷睿i5 450M
Intel 酷睿i5 470UM
Intel 酷睿i5 520E
Intel 酷睿i5 560M
Intel 酷睿i5 2537M
Intel 酷睿i5 540UM
Intel 酷睿i5 520UM
Intel 酷睿i5 430UM
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