Xiaomi MI 9 In-Depth Review

If you don’t want to pay the typical premium but you’re in the market for a flagship smartphone with some of the latest and amazing features then the Xiaomi Mi 9 might be for you. Qualcomm’s latest and fastest Snapdragon 855 processor with triple camera arrangement, Xiaomi Mi 9 will be the killer phone of 2019 with a very affordable price(roughly $450). This phone has launched on February 20, 2019. The astonishing features with this very affordable price is worth a buy. So, here we have the Xiaomi MI 9 In-Depth Review. Should You Buy?


Design & Display

Mi 9 has 6.39-inch AMOLED display, with a 2340 x 1080 Full HD+ resolution &  19.5:9 aspect ratio. With these features the display is vibrant. This phone looks stunning, because of it ’s clean and pretty well-designed water drop notch. The teardrop notch on the Mi 9 appears to be smaller and which in turn reduces the bezels on all sides of the phone in comparison to Redmi note 7 & Mi Play that has teardrop notch. This otherwise means more screen-to-body-ratio and better viewing angles.

Xiaomi MI 9 measures 157.5 x 74.67 x 7.61mm, so it’s a medium-sized device, and at 173g it feels good.

Its display is protected by Gorilla Glass 6 & set beneath is a supposedly improved in-display fingerprint sensor, which is more faster than the Mi 8 pro.

Processor & Performance

Mi 9 has Snapdragon’s latest 855 chipset with Octa-core (2.84 GHz, Single Core + 2.42 GHz, Tri-core + 1.8 GHz, Quad-core) processors. This phone is one of the first smartphones powered by Qualcomm’s Snapdragon 855 chipset and is probably the most advanced mobile processor available today. This means it’s powerful enough to support advanced camera setups (such as the Mi 9’s triple camera array) and it’s super-efficient, too.

Mi 9 gives an impressive multi-core score of 10,316; that’s one of the highest scores in benchmark test. Most of the highly demanding games run smoothly (e.g.PUBG Mobile on its highest settings runs crisp & very fast) & the phone is very much responsive even with multiple apps open.

Even the camera, was quick and responsive.

Operating System

Xiaomi MI 9 runs on the pie version of Android that is Android 9 with its own Miui version 10.


The camera is one of the strongest parts of this phone.

The rear cameras are 48MP f/1.75 wide-angle, 16MP f/2.2 ultra-wide, and 12MP f/2.2 telephoto cameras, which combine to take pretty fantastic pictures. On the front there’s 20MP f/2.0 selfie camera, the 48MP f/1.75 wide-angle with Sony IMX586 1/2-inch sensor is supported by 12-megapixel (Samsung S5K3M5) telephoto sensor that grants the phone 2x lossless optical zoom. The 16-megapixel (Sony IMX481) ultra wide-angle sensor boasts a 117-degree field of view that not only let’s take impressive wide-angle shots but also lends its talents to macro photography. Xiaomi MI 9 delivers impressively fast and accurate focusing with a laser autofocus array and the closed-loop motors built into each of the three lenses.

The camera fared quite well with low-light pictures as well producing decent shots. Thanks to it’s dedicated “Night” mode that keeps the shutter open longer and can end up producing really good night-time shots.

The selfie camera was strong too, auto-focusing quickly with fair color accuracy.

Mi 9 rear camera supports video recording up to 4K & is supported with image stabilization. With 4K resolution video can be recorded up to 60fps.

Battery Life

Mi 9 has a 3,300 mAh battery which is slightly smaller than its predecessor’s but Xiaomi claims it delivers an all-day battery life but the phone usually didn’t last a day without charging at some point. With moderate usage(e.g. scrolling through social media and checking the news on an hour-long) consumes between 10% and 20%.

The good news is it’s 18W fast charger takes only 1hr 10mins to fully charge the phone &  it refills the battery from flat to 55% in just 30 minutes

It also supports 20W wireless charging which can charge 40% in 30 minutes.


Mi 9 has 6 GB RAM with 64 GB or 128 GB internal storage. This phone does not support micro SD card expansion.




  • Refined design
  • Great camera, videos are great too.
  • The under-display fingerprint scanner works great
  • Up to date software
  • Cheaper than most rivals
  • Bleeding-edge chipset and performance
  • Stellar performance
  • most rivals


  • No headphone jack
  • Average battery life
  • No micro SD slot
  • No waterproofing



Xiaomi MI 9 is a gem considering its price & features. With a chipset and camera setup to rival high-end flagships like the Samsung Galaxy S10 plus, iPhone XS, yet at half of their price, it’s definitely a device worth considering.

Buy Xiaomi MI 9 with 20% discount!

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