So Sanh Lumia 520 Va 525

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We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, và for many other types of products.



We consider a thinner chassis better because it makes the product more compact và portable. Thinness is a feature highlighted by many manufacturers of smartphone devices, but it is essential for a wide range of products.



The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.



The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.



The device is protected with extra seals khổng lồ prevent failures caused by dust, raindrops, & water splashes.



The waterproof depth rating indicates how well the device is protected against water ingress and water pressure. Devices which can withstand more water pressure are better for swimming or diving.



Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.
OLED (Organic Light-Emitting Diode) displays are formed of organic materials that emit light. They have higher contrast ratios và wider viewing angles compared to LCDs. AMOLED và POLED are types of OLED displays.



IPS (In-Plane Switching) is a công nghệ used for LCDs. It was designed to overcome the main limitations of conventional twisted nematic TFT displays: limited viewing angles & low-quality màu sắc reproduction. PLS (Plane-to-Line Switching) is a type of IPS screen developed by Samsung, with increased brightness và lower production costs.



Pixel mật độ trùng lặp từ khóa is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity và sharpness for the images rendered on the screen, thus improving the unique of the viewing experience.



Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal & vertical pixels.



The frequency at which the screen is refreshed. Higher frequency results in less flickering (less noise) và more natural movement representation in action-intense scenes.



A nit is a measurement of the light that a display emits, equal to one candela per square meter. Brighter displays ensure a screen's contents are easy to read, even in sunny conditions.



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



The display supports HDR10, which is an HDR (high dynamic range) video clip technology. Compared khổng lồ standard dynamic range (SDR) video, HDR10 clip has greater contrast and color depth, resulting in more realistic images.
The internal storage refers lớn the built-in storage space available in a device for system data, apps, và user-generated data. With a large amount of internal storage, you can save more files and apps on your device.



Random-access memory (RAM) is a form of volatile memory used khổng lồ store working data & machine code currently in use. It is a quick-access, temporary virtual storage that can be read và changed in any order, thus enabling fast data processing.



AnTuTu is one of the most important benchmarks for app android devices. The score reflects the overall performance of a device by summing up results of individual tests that various parameters, such as RAM speed, CPU performance, 2 chiều & 3 chiều graphics performance.



Geekbench 5 is a cross-platform benchmark that measures a processor's multi-core performance. (Source: Primate Labs, 2022)



Geekbench 5 is a cross-platform benchmark that measures a processor's single-core performance. (Source: Primate Labs, 2022)



The CPU tốc độ indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each vi xử lý core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.



The device has a standard memory slot (such as an SD or micro SD card slot) that enables you khổng lồ extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.
The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.
The number of megapixels determines the resolution of the images captured with the main camera. A higher megapixel count means that the camera is capable of capturing more details. However, the megapixel count is not the only important element determining the chất lượng of an image.



The number of megapixels determines the resolution of the images captured with the front camera. A higher megapixel count means that the front camera is capable of capturing more details, an essential factor for taking high-resolution selfies.

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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 lớn choose among other frame rates, those recordings usually have lower resolutions.



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 lớn blur the background to lớn focus attention on the subject.



A dual-tone flash has LED lights with different màu sắc temperatures, delivering a better màu sắc balance khổng lồ photos và videos.



A BSI (backside illuminated) sensor is a camera image sensor which captures better unique images in poor lighting conditions, and offers better overall sharpness & image quality.
Phase-detection autofocus is much faster than a contrast detection autofocus, allowing for sharper images.
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
A built-in FM radio tuner allows you lớn listen khổng lồ most of the live-broadcasted FM radio stations without using the internet.



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



Phones with physical keyboards have dedicated truyền thông media keys, such as: play, stop, next, previous, volume up/down, etc.
Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.



It supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.



Fast charging technologies, lượt thích Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to lớn reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 1/2 in just 30 minutes.
The ultra power-saving mode, also called low power mode, is an effective way to lớn extend the battery life of the device. Usually, it involves limiting screen brightness and contrast, disabling location services, restricting connectivity, và turning off nonessential apps.
The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have khổng lồ charge the device less often.
Mail Privacy Protection is a feature built into the default email app that blocks senders from using “tracking pixels” khổng lồ see when you’ve read an email. It also hides your IP address from senders.



On-device machine learning is used khổng lồ recognize people, places, & more in the Photos app. The algorithms run on the device, where this sensitive data is then kept. Competing services upload the photos and perform this on their servers, which requires the sharing of personal data.



This privacy feature alerts you with a small notification when an app copies data from your clipboard.



This privacy feature allows you to nói qua your approximate location with an phầm mềm instead of your precise location.



You can enable or disable an app’s access to lớn the camera or microphone on your device. There are also indication icons lớn show you when an app uses the camera or microphone.



Some apps track your activity even when the ứng dụng is not in use. This privacy feature allows you lớn block this tracking, either across all apps or on a per-app basis.



This setting (in the default browser) allows you lớn block cross-site tracking cookies & data lớn help protect your privacy.



Theme customization allows you to easily change the appearance of the user interface (UI). For example, by changing the system colors or the tiện ích icons.
The global median price is determined by calculating the median value of all the prices available for a product, taking into tài khoản all markets.