Is it more power-consuming or energy-saving to upgrade MIUI9 from Redmi note4x?

It's getting closer and closer, and MIUI 9 is just around the corner. According to the official information of Xiaomi Company, Xiaomi mobile phone will provide update push. Starting from August 1 1 (next week), the first two mobile phones are Xiaomi Mi 6 and Red Rice Note 4X.

We also know that the company plans to apply MIUI 9 to a large number of mobile phones within two weeks after its first release on August 25th. 12 mobile phones will be part of this batch of products: Mi Mix, Mi Note 2, Mi 5, Mi 5s, Mi 5s+, Mi 5c, Mi Max and their new siblings Mi Max 2, Mi 4s, Mi 4c and Red Rice 4X. The third update will be in September, and Redmi 2A and Redmi11will be among them.

I hope you remember that the upcoming MIUI 9 interface will bring some bug fixes and improve all Xiaomi devices: new smart application launcher, improved image search, smart assistant, high-speed CPU acceleration mode, etc. China Luo updated his attention to mobile phones, but Xiaomi promised to sell them globally soon.