【求教】Intel 奔腾D820 2.8GHz 和 Intel 奔腾E 2180 2.0GHz 哪个好呢?

2025-04-08 07:31:05
推荐回答(4个)
回答1:

毫无疑问是后者好,比较主频、外频、二级缓存等等参数来比较性能的前提是架构一样,要不然根本没有意义。虽然PD的主频很高,二级缓存也很大,但是由于长达31级的流水线造成了实际效率非常低下,你可以想象一下,一个工作分成31道工序,虽然理论上可以大大提高运行速度(主频),但是其中任何一个环节出错就要重做,实际上效率是很低的。这也是为什么当年的P4 2.4G性能甚至不如主频仅有1.83G的巴顿2500+的道理。不过E2180源自的是高效的酷睿2架构,执行效率今非昔比,比P4架构提高60%左右的效率,因此其实论单核性能E2180基本可以说可以达到甚至超越P4 3.2G的水准。对于双核性能来说,PD由于是假双核,核心之间只能通过低速的前端总线交换数据,也就是可以说PD两个核心之间只能以800MHZ的速度通信,效率十分低下,而E2180则通过共享的二级缓存交换数据,大家都知道二级缓存速度是远远高于前端总线的,所以可以说,E2180核心之间交换数据的速度至少达到2GHZ,远远高于PD,论双核性能,E2180的领先优势更大。而且E2180支持更高级的指令集,多媒体性能更加优秀,功耗也降低很多。

回答2:

当然是 奔腾E2180 毕竟是新的架构 奔腾E2180还不算真正的低端 要知道还有赛扬E1200 Celeron M430等等

就连 赛扬M430都可以秒杀 奔腾D820

回答3:

当然是E 2180好一点,现在流行低主频高效率,不太看好奔D的U,温度高,别看他2.8和奔4的也差不了多少,光是个温度问题就够让你头痛的了

回答4:

奔腾E 2180 好

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