Amazon EC2 推出的 m7a 機種，廣告詞怪怪的…

AWS 在 Amazon EC2 上推出 m7a 機種：「New – Amazon EC2 M7a General Purpose Instances Powered by 4th Gen AMD EPYC Processors」。

廣告詞是跟 m5a 比較，在 price performance 上面高了 35%：

In November 2021, we launched Amazon EC2 M6a instances, powered by 3rd Gen AMD EPYC (Milan) processors, running at frequencies up to 3.6 GHz, which offer you up to 35 percent improvement in price performance compared to M5a instances.

本來還在想是跳號跳過 m6a 了嗎，查了一下可以翻到 m6a 的宣傳文這篇：「New – Amazon EC2 M6a Instances Powered By 3rd Gen AMD EPYC Processors」，裡面也是跟 m5a 比較：

Today, I am happy to announce the general availability of Amazon EC2 M6a instances featuring the 3rd Gen AMD EPYC (Milan) processors, running at frequencies up to 3.6 GHz to offer up to 35 percent price performance versus the previous generation M5a instances.

也是 35% 的 price performance 差異，所以是這代的成長也反應在成本上了…？

翻了一下 m6a 最小台是 m6a.large (2 vCPU + 8GB RAM) 的 $0.0864/hr，m7a 最小台則是 m7a.medium (1 vCPU + 4GB RAM) 的 $0.05796。

這些數字擺在一起有點微妙…

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