由于时间节点的关系,目前所有的7nm芯片都是并不完美的。都依然采用了传统的DUV(浸入式深紫外光刻)技术,没有采用更为先进的EUV(极紫外光刻)技术。其实就在新一代的高通骁龙旗舰和三星Exynos旗舰芯片发布前一个月左右的时候,7nm EUV已经成功流片,但无论如何都赶不上2018年的旗舰芯片了。所以目前市面上的几大旗舰平台,高通骁龙855、麒麟980、苹果A12芯片均是采用的台积电早期的7nm工艺。
三星Exynos 9820则是一个例外,由于三星想要快速攻克7nm EUV的难题,直接放弃了7nm早期版本的研发。于是三星Exynos 9820采用的是三星那个稍显奇怪的8nm LPP工艺。这也让Exynos 9820成为了各大旗舰处理器平台中最弱的一款。如今7nm EUV技术已经攻破难关,最坐不住的当然就是三星了。
韩媒已经透露,三星马上将要发布业内首款7nm EUV工艺的芯片,命名为Exynos9825。从命名来看,升级幅度并不大,主要是为了下半年发布的Galaxy Note10旗舰手机。三星电子称,与目前三星自家的10nm工艺相比,7nm EUV工艺可以将芯片面积缩小约40%,并将能效提高约50%。对比目前其他7nm芯片也预计会有10%的能效提升。
这也是三星首次在半年左右便更新旗舰芯片,上一个这样做的是高通在骁龙820发布6个月左右推出了升级款骁龙821。虽然仅仅只有工艺的提升,但工艺制程提升之后带来的芯片面积减小和功耗降低引发的连锁反应其实并不小了。三星Exynos9820原本就将大核心推得非常强,唯一的缺点就是功耗爆炸,提升了制程工艺,三星的芯片将会更具竞争力。
与此同时也有消息传出,华为的麒麟芯片下一代产品也已经准备的差不多了。我们几乎可以确定麒麟985芯片也将采用7nm EUV工艺,并且今年的华为Mate30很可能会提前发布。平时Mate系列一直都与iPhone发布时间差不多,但今年,似乎要赶在前头了。供应链的消息看来,华为将在上半年便发布麒麟985芯片,并且在第三季度量产上市。据消息称,华为海思麒麟985处理器在台积电7nm EUV加强版制程打造下,预估处理器的效能将比麒麟980提升10%,晶体管密度更加提升20%。同时还有消息表示,麒麟985还将采用自行研发的GPU。
华为麒麟980由于发布上市时间早,如今已经过去了近8个月,比高通和三星的旗舰芯片都要早,所以如今对比看来麒麟980在绝对性能方面已经低于其他两者。而新的工艺制程下,麒麟980将再次实现反超。
苹果A13芯片不用多说,必然会采用最新的工艺制程,7nm EUV工艺加持的A13有望在功耗控制方面更加出色。不过以目前的性能增长情况来看,再想获得大幅的性能提升太难了。A13将会随着9月份左右的新款iPhone一起发布。
一直没有表露过对7nm EUV工艺态度的就是高通了,虽然今年高通骁龙855平台的表现十分强劲,在性能和功耗控制方面都非常的出色。但在三星和华为两家对手都升级了7nm EUV工艺的下半年,高通骁龙855也不见得还能保持优势。所以高通也会不会升级7nm EUV工艺推出一款骁龙855的升级版芯片呢?
私以为是很有可能的,毕竟市场竞争力才是王道。新技术的诞生不可能还等待一家公司的产品周期,有了新技术,第一时间跟进才是最正确的选择。所以高通虽然现在没有发布消息,但也很有可能在下半年带来一款升级工艺的半代升级旗舰芯片。至少不能比三星Exynos9825表现差,因为三星的Note系列旗舰一直都是两个平台混用,性能差距都不会太明显。要是韩版Note10发布搭载三星Exynos9825,那其他高通版本的不可能继续沿用骁龙855平台吧。所以高通的旗舰升级,很大概率也提前。
不过在ARM没有发布新架构的情况下,仅工艺的提升,又能带来多少性能和体验上的升级呢?华为、三星、高通,这次似乎来到了同一起跑线,谁的硬实力更强呢?我们拭目以待。
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