Xiaomi Mi 9 and Mi Mix 3 Comparison: Which One Would You Like?

Mi Mix 3 vs Mi 9

Xiaomi has shown impressive innovations inside the products they have launched again. Xiaomi Mi Mix 3 and Xiaomi Mi 9 are two smartphones with affordable prices in its class.

What is the difference between them, and which one is better among Xiaomi Mi Mix 3 and Xiaomi Mi 9?

Here we provide the comparison that you need the most about these smartphones.

Design and Display

When we talk about Mi Mix 3, the main aspect goes in our head is its sliding camera mechanism. It is impressive and it makes Mi Mix 3 has a 93.4% screen-to-body ratio. With no notch on its display, it would be lovely to use Mix 3 to play games or watch videos. However, the slide mechanism also makes Mi Mix 3 heavier and bulkier than Mi 9.

In terms of design, Xiaomi Mi 9 comes with a mainstream design and a waterdrop notch on the display. What makes it impressive is this smartphone has gradient pattern variants. Unfortunately, there is no card slot and audio jack for both of the device. So you might want to pick which suits your needs when you choose their storage variants.

Mi Mix 3 vs Mi 9

If you look at the back of Mi Mix 3, there is a fingerprint sensor attached and two cameras in vertical arrangement. However, you won’t find any fingerprint sensor at the back of Mi 9. Its fingerprint sensor is built in display and you will find three cameras at the back.

Mi Mix 3 vs Mi 9

For display, both of the devices are protected with Gorilla Glass. It is Gorilla Glass 5 on Mi Mix 3 and Gorilla Glass 6 on Mi 9. Mi Mix 3 and Mi 9 have the same 6.39 inches Super AMOLED Display with 1080 x 2340 pixels resolution. So you won’t find any differences in the display except the lack of notch in Mi Mix 3.


There are four cameras on Mi Mix 3, two cameras on the rear side and two cameras on the front. Each configuration for the four cameras, as follows:

  • Two rear cameras: 12MP + 12MP with the advanced Night Mode feature.
  • Two front cameras: 24MP + 2MP with Selfie Light support and AI technology.
Mi Mix 3 camera
Credit: Xiaomi

Xiaomi Mi 9 comes up with a little bit differences, both Mi Mix 3 and Mi 9 equipped with four cameras but with different configurations. Mi 9 has triple rear cameras with the resolution of 48MP + 16MP + 12MP, and single front camera with 20MP resolution.

Credit: Xiaomi


Mi Mix 3 is powered by a 4,000 mAh battery. It supported with fast battery charging 18W and wireless charging 10W.

In terms of battery, Mi 9 has a battery capacity of 3,300 mAh. It is also supported with fast battery charging 27W and fast wireless charging 20W.


Mi Mix 3 is armed with Qualcomm Snapdragon 845 Octa-core chipset with various RAM options – 10GB, 6GB, and 8GB. The internal storage is available in two variants – 256GB and 128GB.

Mi 9 is supported by Qualcomm Snapdragon 855 Octa-core chipset with some RAM support options – 12GB, 8GB, and 6GB. Internal storage on this phone is also available in two choices – 128GB and 64GB.


From the comparison in the brief specifications that we have outlined above, there are several main points of Mi Mix 3 compared to Mi 9, including:

  • In terms of cameras, Mi 9 is impressive. Thanks to its 48MP primary rear camera, Mi Mix 3 has no chance to compete in camera segment.
  • Mi 9 is also supported by a larger battery capacity – 3,300 mAh. While Mi Mix 3 battery capacity is only 3,200 mAh.
  • Mi 9’s platform has the latest chipset – Snapdragon 855, while Mix 3 Mi uses Snapdragon 845 chipset.
  • Mi 9 also provides a larger RAM variant – 12GB. However the largest RAM variant of Mi Mix 3 is only 10GB.
  • According to some reports, Mi 9 base model is much cheaper than Mi Mix 3

That’s our explanation of Xiaomi Mi Mix 3 and Xiaomi Mi 9 comparison. We hope it helps you in choosing a smartphone based on your needs.

[table id=27 /]