历代A系芯片的性能，大概是什么水平？看完基本懂了！

众所周知，手机上的处理器，是决定性能最重要的零部件，就像是人的心脏一样重要。如果你先挑好芯片，再来买手机，大概率都不会踩雷。

因此我觉得，很有必要针对手机芯片这一个领域，进行深度、易懂的科普。

这期文章我们就来聊聊，历代 A 系芯片都是什么水平。因为 iPhone 8、iPhone X 已经被 iOS 17 彻底淘汰，因此我们就从 iPhone XR，也就是 A12 芯片开始讲起。

为了让数据更加真实、可信，CPU以最新的 geekbench6 为准，GPU 以曼哈顿 3.1 为准。同时我们会补充芯片的能效（功耗）数据，并且简明扼要地给一个结论，让大家全方面地了解 A 系芯片的综合实力。

话不多说，那我们现在来开始盘点。

A12：7nm工艺初登场

A12 芯片是苹果第一款 7nm芯片，同时也是一代人的回忆。作为 18-19 年发布的旗舰芯片，A12可以说是一代神 U。以至于直到 2022 年，都有人觉得它还可以再战三年。

根据 Geekbench 6的数据，A12 的CPU 单核是 1335 分，多核为 3130 分，可以理解为骁龙 870 的 89% 性能。最重要的是单核能效，根据 spec 06整数的数据，CPU 大核是 3.59W/45.32分，换算下来单核能效就是12.62。

根据曼哈顿 3.1 的数据，A12的 GPU 跑分为 103.83 FPS，峰值功耗为 5.98W，能效比相当于是 17.36 fps/W。

提个数据，骁龙 8Gen1的大核整数是 3.89W/48.38 分，换算下来单核能效是12.43。这也就意味着，骁龙 8Gen1最关键的单核，甚至比 A12还要差点。

A13：一代神 U

A13 最大的亮点，就是在还是 7nm工艺的前提下，性能实现了大幅提升，而且能效也没拉下太多。再加上骁龙 888 羸弱不堪，联发科也还没站起来，成就了它“一代神 U”的威名。

根据 Geekbench 6的数据，A13 的CPU 单核是 1780 分，多核为 4300 分。单核能效方面，根据spec 06整数的数据，CPU 大核整数是 4.61W/52.82分，换算下来单核能效就是11.45——这比 A12 略低一些，但是在可理解的范畴，毕竟还是 7nm工艺。

根据曼哈顿 3.1 的数据，A13的 GPU 跑分为 123.6 FPS，峰值功耗为 7.29W，能效比相当于是 16.95fps/W。可以看出，A13 相当于在 A12 的基础上，增加性能，同时功耗也在增加，可以理解为改良的超频版，能效基本维持在原水平。

A14：口碑两极分化

A14 是令人失望的一代，因为大家原本以为升级5nm工艺后，A14 会再创辉煌，但没想到是我们预期太高了。

可能是初代 5nm工艺还不成熟，A14 虽然密度大幅增加，但是在高负载下，能效水平并没太大提升，反而是中低负载下更省电了——当然，这是在跑分软件上看不出来的。

不管怎么说，台积电的 5nm，总比三星 5nm要强。   

根据曼哈顿 3.1 的数据，A14的 GPU 跑分为 143 FPS，峰值功耗为 7.3W，能效比相当于是 19.58fps/W——这进步其实也不小。

简单总结一下，A14 对比A13，性能、能效是双双提升了。只是果粉们预期太高，再加上 iPhone 12 系列又作死，全系降低了电池容量，导致 A14 的口碑两极分化。

对了，值得一提的是，A14 有两个版本，iPad上的 A14性能要高接近 10% 以上。   

A15：同代无敌

如果说 A14 的胜利是带有争议性的，那 A15 就是毫无争议的同代无敌了。更成熟的N5P工艺，高达 32MB的SLC（比 A14 翻了一倍），每一个细节都透露出“王者的气息”。

根据 Geekbench 6的数据，A15 的CPU 单核是 2410 分，多核为6150分。单核能效方面，要注意的是，A15 的能效测试算法变了。

根据 spec 2017测试，它的CPU 大核整数是 4.11W/7.28分，能效相当于1.77。要注意，这个数字和刚才的spec 06整数，不是一个算法。作为参考，A14大核为4.35W/6.47分，能效相当于1.49。

而且 A15最大的提升点，在于小核。粗略的看了一下，A15 的小核在能效相近的情况下，性能比 A14 的小核提升了 29%。简单来说，A15 的 CPU不仅性能更强，而且功耗也更低/持平，妥妥的一代神 U。

买到 iPhone 13 、14的用户，不再战个 5 年，都对不起这颗芯片。   

A16：感知有限

接下来就该讲讲 A16 了，它采用了台积电 4nm工艺，其实就是第3代 5nm工艺。考虑到 A15 提升这么全面，A16很难做出较大的改变，毕竟没有半导体红利了。

根据 Geekbench 6的数据，A16的CPU 单核是 2650 分，多核为7150分，依然是在稳步提升。能效方面，根据极客湾的spec 2017的数据，算上主板功耗的话，A16 的大核能效约为1.79，而 A15 的大核能效约为1.72，提升了大概 4%左右。

GPU 方面就有些挤牙膏了，根据曼哈顿 3.1的数据，A16 的跑分是 197FPS，但是功耗高达 8.47W，能效相当于是23.25fps/W——几乎和 A15 一样，用没提升来形容也不过分。   

但总体来说，A16 还是比 A15 好些的，这一点主要体现在 CPU 单核功耗更低，日常使用体验更好，但感知会比较有限。

A17 Pro：苹果大翻车

任谁都会觉得，首发3nm工艺的A17 Pro，应该就是地表最强芯片了。但是，A17 Pro属于是苹果的翻车之作，你可以叫它“火龙果”

首先是 CPU 方面，同样是 geekbench 6测试，A17 Pro的单核、多核，分别是 2980，7850，看起来还是在稳步提升的。但是问题在于，A17 Pro的能效是没有进步的。

曼哈顿 3.1 测试，A17 Pro的成绩是 204FPS，比上一代只提升了个位数。性能提升小就算了，功耗也翻了车。

它的 GPU 峰值功耗，提升到了恐怖的9.81W，能效相当于只有20.79。作为参考，骁龙 8Gen3 的曼哈顿 3.1 是 280FPS，峰值功耗为 10.2W，能效相当于27.45。

GPU性能向来是苹果的优势，而 A17 Pro亲手推翻了我们的固有印象，3nm真的提升了个寂寞。这下好了，落后友商两代的，反而变成了苹果。

最后，关于 A 系芯片的所有数据，我都整理成了表格。

表格长期更新，包括苹果所有芯片的详细跑分，方便你第一时间查阅。    

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