坑！iPhone 6/6S升iOS 11.2.2后性能大幅缩水：新机没事-快科技-科技改变生活

坑！iPhone 6/6S升iOS 11.2.2后性能大幅缩水：新机没事

万南
2018年01月14日 12:24
0

苹果刚刚通过调低官换电池的价格，企图挽回iPhone降速门的负面影响，但随着Spectre和Meltdown两个超级漏洞席卷全球，iPhone/iPad/Mac等受到波及。

最新的iOS 11.2.2中添加了相关修复，不过就像Intel处理器打上补丁之后性能下降一样，iPhone的A系列芯片也没有好到哪儿去。

1月13日，GSMarena对iPhone 6S/7/8升级修复更新前后的性能进行了对比，结果如下。

iPhone 8 Plus升级前后

从iOS 11.1.2升级到11.2.2后，A11芯片的跑分下降了0.5%左右。

iPhone 7升级前后

A11在安兔兔中的跑分居然在升级后上升了3%

iPhone 6s升级前后

A9芯片在安兔兔中性能下降了12%

这个问题之所以引人注目是因为，此前荷兰网站Melvin Mughal测得，iPhone 6的A8芯片在升级iOS 11.2.2后，性能跑分居然暴跌41%之多。

仅从这份测试来看，A10/A11在修复漏洞后的性能损失可忽略，不过较老的A9/A8似乎是不容乐观。

#iOS 11 #系统更新 #iPhone 6S

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