Samsung Galaxy S9 review: specs and price

Dustproof/water resistant at depth equal to or greater than 1 meter.

Device is protected with extra seals to prevent failures due to any kind of weather.

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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.

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

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The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

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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.

With integrated graphics you don’t need to buy a separate graphics card.

More threads result in faster performance and better multitasking.

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Out-of-order execution is used in CPUs to make use of instruction cycles that would normally be wasted due to delays.

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AES is used to speed up encryption and decryption.

OpenGL 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.

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.

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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.

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The pixel size measures the length of the individual photodetectors (pixels) in the image sensor. Larger pixels can capture more light, providing better image quality and improved low-light performance.

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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.

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

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

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It works as an FM radio with included headsets

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The music player can be blindly used.

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The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.

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The device can save battery by using just a black-and-white screen with a few basic icons. This means even with a small amount of battery, you can keep the device running for a long time.

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

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

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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.

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.

If an app has sharing capabilities and the developers have indicated it, the app will automatically appear in your list of sharing options. Some OS’s limit direct sharing options to a select few apps, which means you have to open apps separately in order to upload the files you want to share.