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Globalfoundries 14纳米工艺量产
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Topic: Globalfoundries 14纳米工艺量产 (Read 1098 times)
jsgayo
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Globalfoundries 14纳米工艺量产
April 08, 2015, 02:16:44 AM
#1
目前比特币矿机主流芯片制程技术为28nm,Avalon4.1、蚂蚁S5都是采用28nm制程的ASIC芯片,功耗比在约0.5W/G左右,每次芯片制程纳米数的缩小都会对比特币挖矿机性能带来质的换代提升,但制程在28nm以后提升的幅度不再有以前几代那么大,且资金投入也是大幅增加,目前16nm、14nm技术都才刚刚出现,不知在这一代技术上哪家比特币矿机厂家会占得先机,在如此大的投资额,如此新的技术面前,开始新一代矿机的研发,不仅需要对比特币行业前景持乐观判断的勇气,似乎还需要一种开拓者的无畏精神,同时这样的决定也会关系到一个比特币矿机矿机公司的存亡,如同一场豪赌。
以Avalon为例,大家可以看到比特币矿机芯片制程升级带来的性能提升情况:
Avalon1代110nm矿机:功耗约8W/G
Avalon2代55nm矿机:功耗约3.5W/G;
Avalon3代40nm矿机:功耗约1.2W/G;
Avalon4代28nm矿机:功耗约0.5W/G。
在相同制程下芯片设计的好坏也会导致芯片性能相差不少,但制程的提升,也就是芯片nm数的缩小,带来芯片性能提升是最本质和最有效的。
据超能网报道:阿拉伯石油土豪的高科技:Globalfoundries的14nm工艺量产了
TSMC正就16nm FinFET工艺与三星的14nm FinFET工艺打得火热,虽然TSMC嘴上强硬,但新一代工艺失利于三星是跑不了了,不过TSMC的竞争压力不只是三星,全球二号代工厂的14nm工艺 也在加速量产。日前阿联酋主权基金背景的穆巴达拉开发公司宣布旗下Globalfoundries公司的14nm工艺已经量产,产能也在逐渐提升中。
Globalfoundries是由AMD的晶圆厂分离出去的,后来获得阿拉伯石油大亨的投资,大腿就是上面提到的具有主权基金背景的穆巴达拉开发公司。不过Globalfoundries的工艺研发一直磕磕绊绊,AMD第一代APU使用就是他们的32nm SOI HKMG工艺,结果产能和良率不行,错失市场良机不说,还导致AMD股价大跌,被人告上法庭。
Globalfoundries原计划自己推出14nm-XM工艺,但宣布之后就没了下文,最终自己的工艺胎死腹中,他们直接选择了三星的14nm FinFET工艺,借助后者丰富的经验和成熟的工艺突围。结果也证明了阿拉伯土豪们终于做对了一次选择,Globalfoundries的14nm工艺在三星量产没多久之后也可以量产了。
Globalfoundries的14nm工艺将在美国纽约州马耳他市的Fab 8晶圆厂量产,他们规划了两种工艺——14nm LPE(low-power early)及14nm LPP(Low Power Plus,高级低功耗工艺),二者都源于三星授权,使用了FinFET晶体管,但后段制程兼容于20nm工艺。
根据之前所说,14nm FinFET工艺比20nm性能高20%,功耗低了35%。
Globalfoundries量产的14nm工艺应该是14nm LPE,此前该公司就表示2015年上半年量产14nm LPE,下半年量产14nm LPP工艺。
Globalfoundries并没有公布他们的14nm工艺客户是谁,此前传闻三星愿意给Globalfoundries公司14nm工艺授权的一个原因就是让他们分担部分苹果A9处理器订单。
对这个消息最高兴的应该是AMD了,虽然之前吃过Globalfoundries多次亏,但离开Globalfoundries他们也没多少选择,好在现在的Globalfoundries靠谱多了,AMD也准备把旗下的CPU、APU、主机处理器甚至GPU都交给Globalfoundries代工。
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