https://blog.wongcw.com/2020/07/07/amd%e9%8a%b3%e9%be%8d7-4700g%e5%b8%b8%e6%ba%ab%e8%b6%85%e9%a0%bb%e6%96%b0%e7%b4%80%e9%8c%84%e6%9b%9d%e5%85%89%e5%85%a8%e6%a0%b84-75ghz/