The 3X Camera Xiaomi Mi A2 Smartphone In-Depth Review!

Xiaomi Mi A2 Key Features

Qualcomm Snapdragon 660

Launched in May 2017, the Qualcomm Snapdragon 660 is a powerful mid-range mobile SoC. It combines eight Qualcomm Kryo 260 processor cores, with an Adreno 512 GPU, a Snapdragon X12 modem, a Spectra 160 camera ISP and a Hexagon 680 DSP.


There are two processor clusters – a high-performance cluster of four Kryo 260 Gold cores running at 2.2 GHz, and a low-power cluster of four Kryo 260 Silver cores running at 1.84 GHz. The Kryo 260 Gold is a semi-custom version of the Cortex-A73, while the Kryo 260 Silver is a semi-custom version of the Cortex A53.

Performance-wise, the Snapdragon 660 is up to 20% faster in processor performance than the previous year’s Snapdragon 653, and up to 30% faster in graphics performance.


The Xiaomi Mi A2 Cameras

The Xiaomi Mi A2 (US | UK | MY) boasts a very high-resolution front camera, with a 20 MP Sony IMX376 image sensor. Its very bright f/1.75 lens lets you take great selfies even in less-than-ideal conditions. And when it gets very dark, it even has a dedicated LED flash to make sure you can capture a selfie!

At the back, the Xiaomi Mi A2 (US | UK | MY) has a dual camera system. Its main camera has a 12 MP Sony IMX486 PDAF sensor, with a f/1.75 lens. It also has a low-light camera that pairs a 20 MP Sony IMX376 sensor with f/1.75 lens. They are supported by a dual-tone LED flash.

The pairing of a high-resolution 12 MP main camera, with a higher-resolution 20 MP low light camera, is a curious choice. Let’s take a look at this comparison of three figurines in very low-light conditions :

Despite having the same f/1.75 apertures, and smaller pixels, the 20 MP low light camera does indeed have superior low light performance./

Unfortunately, the low-light camera must be activated manually using the Manual option. It doesn’t automatically get selected when you use the other camera options. And there does not seem to be an option to use it to record low-light videos.


Fingerprint Sensor

The Xiaomi Mi A2 (US | UK | MY) uses the FPC 102x fingerprint sensor located at the back. In our tests, it is very fast and accurate, supporting 360-degree recognition.

Surprisingly, the Mi A2 does not support face recognition login, only Swipe, Pattern, PIN code and password. So the fingerprint sensor is going to be really handy for fast logins.

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