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Comparison Assistant AS-503 16 GB / 2 GB vs Assistant AS-502 8 GB / 1 GB

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Assistant AS-503 16 GB / 2 GB
Assistant AS-502 8 GB / 1 GB
Assistant AS-503 16 GB / 2 GBAssistant AS-502 8 GB / 1 GB
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Display
Main display
5 "
1280х720 (16:9)
294 ppi
IPS
5 "
1280х720 (16:9)
294 ppi
IPS
Display-to-body ratio65 %65 %
Hardware
Operating systemAndroid 7.0Android 7.0
CPU modelMediaTek MT6580MediaTek MT6580
CPU frequency1.3 GHz1.3 GHz
CPU cores44
RAM2 GB1 GB
Memory storage16 GB8 GB
Memory card slotmicroSDmicroSD
Max. memory card storage128 GB128 GB
Test results
AnTuTu Benchmark77 000 score(s)43 000 score(s)
Main camera
Lenses2 modules
Main lens
13 MP
13 MP
Auxiliary lens
Full HD (1080p)++
Flash
Front camera
Main selfie lens5 MP5 MP
Flash
Connections and communication
Cellular technology
3G
3G
SIM card typemicro-SIMmicro-SIM
SIM slots2 SIM2 SIM
Connectivity technology
Wi-Fi 4 (802.11n)
Bluetooth v 4.0
Wi-Fi 4 (802.11n)
Bluetooth v 4.0
Inputs & outputs
microUSB
mini-jack (3.5 mm)
microUSB
mini-jack (3.5 mm)
Features and navigation
Features
FM receiver
FM receiver
Navigation
GPS module
GPS module
Power supply
Battery capacity2500 mAh2500 mAh
Fast chargingnonenone
General
Bezel/back cover materialplastic/plasticplastic/plastic
Dimensions (HxWxD)146x71x11 mm146x71x11 mm
Weight136 g
Color
Added to E-Catalogmarch 2018march 2018

RAM

The parameter determines the overall performance of the smartphone: the more RAM, the faster the device works and the better it copes with an abundance of tasks and / or resource-intensive applications (ceteris paribus). This is even more true in light of the fact that large amounts of "RAM" are usually combined with powerful advanced processors. However, only devices with identical operating systems can be directly compared with each other, and in the case of Android, with the same versions and editions of this OS (for more on all this, see "Operating system"). This is due to the fact that different operating systems and even different versions of the same OS can differ markedly in terms of RAM requirements. For example, iOS, thanks to good optimization for specific devices, is able to work efficiently with 3 GB of RAM. For modern versions of Android in the regular edition (not Go Edition), the mentioned 3 GB is actually the required minimum. Under such an OS, it is better to have at least 4 GB or 6 GB of RAM. In high-end devices with powerful electronic "stuffing" you can also find more impressive numbers - 8 GB or even 12 GB or more.

Memory storage

The volume of storage installed in the phone.

This volume directly determines how much data can be stored on the phone without using removable memory cards. This indicator is especially important for models that don't have memory card slots. However, even if memory cards are supported, built-in storage is still preferable: at least it works faster, and it usually has fewer restrictions on its use (in particular, most smartphones allow you to install applications only on storage).

As for specific volumes, the actual minimum for a modern smartphone is 32 GB; less “capacious” devices are becoming increasingly rare these days. 64 GB is considered a comfortable minimum, 128 GB is considered average indicator, 256 GB - above average. Some high-end devices are equipped with 512 GB and even 1 TB< /a>.

We also note that the actual amount of memory available to the user will inevitably be somewhat less than the total, since part of the drive is occupied by operating system files.

Test results

The test results are specified either by a younger model in a line or a particular model, made for a better understanding performance of phone models if you compare phones against these parameters. For example, the 128 GB model has test results, and the 256 GB model has no information on the network, and in both models you will see the same value that will give an understanding of the overall performance of the device. But if the editorial office has information for each model individually, then each model will have its test results filled out, and the model with bigger RAM will have bigger values.

AnTuTu Benchmark

The result shown by a device when undergoing a performance test (benchmark) in AnTuTu Benchmark.

AnTuTu Benchmark is a comprehensive test designed specifically for mobile devices, primarily smartphones and tablets. It evaluates the efficiency of the processor, memory, graphics, and input/output systems, providing a clear impression of the system's capabilities. The higher the performance, the more points are awarded. Smartphones that score over 900K points are considered high-performance according to the AnTuTu ranking.

Like any benchmark, this test does not provide absolute precision: the same device can show different results, usually with deviations within 5-7%. These deviations depend on various factors unrelated to the system itself, such as the device's load from third-party programs and the ambient temperature during testing. Therefore, significant differences between two models can only be noted when the gap in their scores exceeds this margin of error.

Lenses

The number of individual lenses provided in the module of the main (rear) camera of the device. Specified only if there are several lenses. At the same time, each «eye» has its own sensor and, in fact, is a separate camera; however, they can be used in conjunction, forming one image from data from several lenses, or mutually complementing each other's capabilities. As an illustration of the second case, the following example can be given: when using the zoom, the smartphone can automatically switch from the main optics to the telephoto lens when the magnification selected by the user exceeds a certain threshold.

The simplest version of the main module with several lenses is a dual camera, however, devices with 3 or more rear cameras are becoming more common (in some models, the number of lenses can reach six). Anyway, these cameras usually differ in specifications and perform different functions. So, an ordinary colour camera can be supplemented with a lens for black-and-white shooting, which improves contrast; in some models, lenses with different focal lengths allow you to choose the optimal viewing angle for certain conditions; information from an auxiliary lens (see below) is usually used to adjust the depth of focus on an already finished shot, etc. These details should be clarified separately, but anyway, several lenses mean more shooting options.

Auxiliary lens

The presence of an auxiliary lens in the module of the main (rear) camera of the smartphone. Common to all auxiliary lenses is that they themselves do not shoot, but only supply the main camera with some useful additional data. But the types of this data and, accordingly, the methods of using auxiliary cameras can be different.

So, in some smartphones, an additional lens of a very small resolution is installed, which is used to obtain special information about the depth of field in some shooting modes (primarily in portrait mode). This format of work gives a number of interesting features — in particular, it allows you to change the depth of focus on an already finished image, moving the focus to a particular subject. Another interesting option is the so-called ToF (time of flight) cameras, which work on the principle of rangefinders and are capable of creating 3D models of various objects (including reading facial expressions from the user's face). There are other options, such as a black-and-white secondary camera for greater dynamic range and a fast aperture for better low-light performance.

Flash

The presence of a flash on the front camera of the phone.

This feature is especially useful for selfie enthusiasts who want to capture clear, well-lit self-portraits regardless of the ambient light. The most popular use of a flash is to illuminate at dusk or in the dark (for example, in the evening or in a dark room). It can also be useful when shooting against bright light, when the face is in shadow and without additional illumination it would be hard to see.

Note that in some smartphones, the screen can play the role of flash for the front camera — at the time of shooting, it lights up with a bright white light. However, this feature is not considered a flash.
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