sissel 2016-6-1 19:05
1.1万元值不值?Intel Broadwell-E性能实测:十核心霸气[52P]
手机处理器都十核心了,桌面处理器也终于迈过了这一道坎:Intel今天正式发布了新一代发烧级桌面处理器Broadwell-E,其中旗舰型号Core i7-6950X首次带来了10个核心。[/b]
[img]http://img1.mydrivers.com/img/20160531/s_d2ee4b032c7348e99a88ffde566bfe7d.jpg[/img]
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Broadwell-E其实来源于服务器市场的Broadwell-EP,但只是用了其最小的一个版本,正好10个核心,同时拥有20个线程、25MB三级缓存、40条PCI-E 3.0总线、四通道DDR4-2400内存、TDP 140W。[/b]
不过另外三款型号就没这么“丰满”了,i7-6900K阉割到了8核心,i7-6850K、i7-6800K则是6核心,而频率更高,TDP则都维持在140W。
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规格猛升的同时,价格也水涨船高,分别要1723、1089、617、434美元,也就是次旗舰都比以往旗舰的999美元都要高![/b]
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还好兼容性方面不用担心,LGA2011-3接口使得其可以继续搭配现在的X99主板,升级BIOS即可,当然也有不少厂商推出了更强大的新板子。
除了规格提升,Broadwell-E还支持新的睿频加速技术“Turbo Boost Max 3.0”,可以根据AVX或者非AVX负载独立调整每个核心的频率,还能在运行单线程程序的时候加速单独一个核心的频率,但注意需要安装一个驱动(Windows 10应该会整合)。[/b]
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该技术还有个图形界面可以手动调整,能针对每个核心设定加速情况,Intel还贴心地就每个核心的性能、能效做了等级排序,比如这里第9个核心就是体质最好的,第0个则是最差的。[/b]
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顺便一提,Broadwell-E处理器的电路板要比Haswell-E薄得多[/b],不仅层数更少,每一层也都更薄了,在手持和安装的时候一定要小心。
[img]http://img1.mydrivers.com/img/20160531/s_560736b6812c4ebc85868a2cac90a18e.jpg[/img]
两代的散热顶盖形状也大不相同了。
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好了来看跑分吧,对比对象有前三代旗舰和大量主流型号。
【至尊版办公性能对比】[/b]
[img]http://img1.mydrivers.com/img/20160531/0abf331bf938430984b73a925e6a18c9.png[/img]
比上代旗舰提升约3%
[img]http://img1.mydrivers.com/img/20160531/8bb70c1a578b4beba16b075e91f21d8d.png[/img]
提升约21%
[img]http://img1.mydrivers.com/img/20160531/d47558ce8493419aaead59dbb2af9dae.png[/img]
单线程性能提升约1%
[img]http://img1.mydrivers.com/img/20160531/11176c4fd2ff4d33ab2aa627192ae4d4.png[/img]
多线程性能提升约40%!
[img]http://img1.mydrivers.com/img/20160531/eccd8579880b4176967dd02422a5d1dc.png[/img]
提升约14%
[img]http://img1.mydrivers.com/img/20160531/d90f334873434b1fa98e2125e0cd19c5.png[/img]
提升约5%
[img]http://img1.mydrivers.com/img/20160531/21d03b436c1045ceb1715256033e8e2a.png[/img]
提升约25%
【办公性能集体对比:多线程无敌】[/b]
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因为频率和架构的缘故,单线程性能其实比较一般,但是多线程就很猛了,10个核心不是白来的。
【Windows/Linux专业性能】[/b]
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尤其是看CineBench R15多线程性能,同样八核心的i7-6900K都能完胜i7-5960X,i7-6950X更是猛增了37%。
【游戏性能:10核心完全没用】[/b]
[img]http://img1.mydrivers.com/img/20160531/5026f017f9dc473c925b204730e74ed2.png[/img]
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很遗憾,不管四个还是十个核心,打游戏都一样,毕竟瓶颈不是这些高端处理器。
【功耗与超频:140W并不恐怖】[/b]
[img]http://img1.mydrivers.com/img/20160531/5d034bd75ef64088b87b9c37a74f2eea.png[/img]
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满载功耗:虽然热设计功耗都标注为140W,但还是很不一样的,Broadwell-E这一代明显低了不少,即使是十核心的i7-6950X满载也只有134W,比上代八核心i7-5960X还低了12W。[/b]
i7-6800系列的两款更是只有110W出头。14nm还是很赞的!
[img]http://img1.mydrivers.com/img/20160531/594e8b57e3bd4b1c819884086692f04c.png[/img]
不同核心峰值功耗:因为更多核心的频率更低,所以i7-6950X其实并不是最费电的,反而基本在最省电行列,尤其是未用满10核心的时候。[/b]
[img]http://img1.mydrivers.com/img/20160531/s_a63b9af70e9249a99585a776beec2ec9.png[/img]
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超频使用了微星的一块X99A Gaming Carbon,最好成绩是1.30V电压下超到4.1GHz。[/b]
根据其他测试,部分样品可以在同样电压下达到4.3GHz,部分则需要加压到1.4V。
tiankonglan50 2016-6-1 20:12
*** 作者被禁止或删除 内容自动屏蔽 ***
rsnodame 2016-6-1 21:03
:excellence X99还能接着用,这次I记也算良心了
lzhraymond 2016-6-1 23:40
这么好的硬件我什么时候能用上呀,刚看完显卡,真是让人咋舌
saltomiro 2016-6-5 16:38
intel的cpu果然NB,希望价钱能降下来,让大家都能用上