Xiaomi Mi 9 vs Xiaomi Mi A3

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes. Show more

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The resolution indicates the maximum amount of pixels that can be shown on the screen, expressed as the number of pixels on the horizontal axis and the number on the vertical axis. Show more

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Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force. Show more

The bigger the screen size is, the better the user experience. Show more

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OLED (Organic Light-Emitting Diode) displays are formed of organic materials that emit light. They have higher contrast ratios and wider viewing angles compared to LCD displays. AMOLED and POLED are types of OLED displays. Show more

It can support faster memory, which will give quicker system performance.

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The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.

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Heterogeneous Multi-Processing (HMP) is a more advanced version of big.LITTLE technology. In this setup, a processor can utilize all cores at the same time, or just a single core for low-intensity tasks. This can provide powerful performance or increased battery life respectively.

More threads result in faster performance and better multitasking.

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DirectX is used in games, with newer versions supporting better graphics.

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Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image. Show more

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The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions. Show more

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With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject. Show more

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When recording movies they stay focussed and sharp. Show more

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Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience. Show more

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With a standard mini jack socket, you can use the device with most headphones. Show more

More microphones result in better sound quality and enable the device to filter out background noise.

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A built-in FM radio tuner allows you to listen to most of the live-broadcasted FM radio stations without using the internet. Show more

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Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base. Show more

The battery is removable and can be replaced by the user if broken. Show more

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The ultra power-saving mode, also called low power mode, is an effective way to extend the battery life of the device. Usually, it involves limiting screen brightness and contrast, disabling location services, restricting connectivity, and turning off nonessential apps. Show more

An indicator shows you when the device has low battery.

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability, and improved power consumption. It provides advantages for gaming and HD video streaming. Show more

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