Vestel Venus E4 - Specifications
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
Brand name of the company that manufactures the device.
Model name of the device.
Аlternative names, under which the model is known.
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
Information about the width, i.e. the horizontal side of the device when it is used in its standard orientation.
|70.6 mm (millimeters)|
7.06 cm (centimeters)
0.232 ft (feet)
2.78 in (inches)
Information about the height, i.e. the vertical side of the device when it is used in its standard orientation.
|147.4 mm (millimeters)|
14.74 cm (centimeters)
0.484 ft (feet)
5.803 in (inches)
Information about the thickness/depth of the device in different measurement units.
|8.7 mm (millimeters)|
0.87 cm (centimeters)
0.029 ft (feet)
0.343 in (inches)
Information about the weight of the device in different measurement units.
|145 g (grams)|
0.32 lbs (pounds)
5.11 oz (ounces)
Estimated volume of the device, calculated from the dimensions provided by the manufacturer. Applies for devices in the form of a rectangular parallelepiped.
|90.54 cm³ (cubic centimeters)|
5.5 in³ (cubic inches)
Information about the colors, in which the device is available in the market.
Materials used in the fabrication of the device's body.
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
|SIM card type|
Information about the type and size (form factor) of the SIM card used in the device.
|Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)|
|Number of SIM cards|
Information about the number of SIM cards, supported by the device.
Information about some specific features related to the SIM card(s) of the device.
|Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)|
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
GSM (Global System for Mobile Communications) was developed to replace the analog cellular network (1G), therefore it is referred to as a 2G mobile network. It has been improved with the addition of General Packet Radio Services (GPRS) and later via the Enhanced Data rates for GSM Evolution (EDGE) technology.
|GSM 850 MHz|
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
UMTS stands for Universal Mobile Telecommunications System. Based on the GSM standard, it is deemed as a 3G mobile network standard. It has been developed by the 3GPP and its major advantage is the provision of greater bandwidth and spectral efficiency, due to the W-CDMA technology.
|UMTS 900 MHz|
UMTS 2100 MHz
LTE is deemed to be the fourth generation (4G) of mobile communications technology. It has been developed by the 3GPP based on the GSM/EDGE and UMTS/HSPA technologies in order to increase the speed and capacity of wireless data networks. A further development of the technology is called LTE Advanced.
|LTE 800 MHz|
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
|Mobile network technologies|
There are several network technologies that enhance the performance of mobile networks mainly by increased data bandwidth. Information about the communication technologies supported by the device and their respective uplink and downlink bandwidth.
|UMTS (384 kbit/s )|
LTE Cat 4 (51.0 Mbit/s , 150.8 Mbit/s )
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
|Operating system (OS)|
Information about the operating system used by the device as well as its version.
|Android 8.1 Oreo|
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
The SoC integrates different hardware components such as the CPU, GPU, memory, peripherals, interfaces, etc., as well as software for their functioning.
|Qualcomm Snapdragon 425 MSM8917|
Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that make up the CPU.
|28 nm (nanometers)|
CPU is the Central Processing Unit or the processor of a mobile device. Its main function is to interpret and execute instructions contained in software applications.
The CPU bits are determined by the bit-size of the processor registers, address buses and data buses. 64-bit CPUs provide better performance than 32-bit ones, which on their part perform better than 16-bit processors.
The instruction set architecture (ISA) is a set of commands used by the software to manage the CPU's work. Information about the set of instructions the processor can execute.
A CPU core is the processor unit, which executes software instructions. Presently, besides single-core processors, there are dual-core, quad-core, hexa-core and so on multi-core processors. They increase the performance of the device allowing the execution of multiple instructions in parallel.
The frequency of the processor describes its clock rate in cycles per second. It is measured in Megahertz (MHz) or Gigahertz (GHz).
|1400 MHz (megahertz)|
GPU is a graphical processing unit, which handles computation for 2D/3D graphics applications. In mobile devices GPU is usually utilized by games, UI, video playback, etc. GPU can also perform computation in applications traditionally handled by the CPU.
|Qualcomm Adreno 308|
The frequency is the clock rate of the graphic processor (GPU), which is measured in Megahertz (MHz) or Gigahertz (GHz).
|500 MHz (megahertz)|
RAM (Random-Access Memory) is used by the operating system and all installed applications. Data in the RAM is lost after the device is turned off or restarted.
|2 GB (gigabytes)|
Information about the type of RAM used by the device.
Information about the number of RAM channels integrated in the SoC. More channels mean higher data transfer rates.
RAM frequency relates directly to the rate of reading/writing from/in the RAM memory.
|667 MHz (megahertz)|
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
Information about the capacity of the built-in storage of the device. Sometimes one and the same model may is offered in variants with different internal storage capacity.
|16 GB (gigabytes)|
Memory cards are used in mobile devices for expanding their external storage capacity.
The various types of memory cards are characterized by different sizes and capacity. Information about the supported types of memory cards.
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
One of the main characteristics of the display is its type/technology, on which depends its performance.
In mobile devices display size is represented by the length of its diagonal measured in inches.
|5.45 in (inches)|
138.43 mm (millimeters)
13.84 cm (centimeters)
Approximate width of the display
|2.44 in (inches)|
61.91 mm (millimeters)
6.19 cm (centimeters)
Approximate height of the display
|4.87 in (inches)|
123.82 mm (millimeters)
12.38 cm (centimeters)
The ratio between the long and the short side of the display
The display resolution shows the number of pixels on the horizontal and vertical side of the screen. The higher the resolution is, the greater the detail of the displayed content.
|720 x 1440 pixels|
Information about the number of pixels per centimeter (ppcm) or per inch (ppi) of the display. The higher the pixel density, the more detailed and clearer is the information displayed on the screen.
|295 ppi (pixels per inch)|
115 ppcm (pixels per centimeter)
The color depth of the display is also known as bit depth. It shows the number of bits used for the color components of one pixel. Information about the maximum number of colors the screen can display.
The estimated percentage of the screen area from the device's front area.
|73.9 % (percent)|
Information about other functions and features of the display.
|2.5D curved glass screen|
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
Sensors vary in type and purpose. They increase the overall functionality of the device, in which they are integrated.
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
Information about the sensor type of the camera. Some of the most widely used types of image sensors on mobile devices are CMOS, BSI, ISOCELL, etc.
|CMOS BSI (backside illumination)|
The rear cameras of mobile devices use mainly a LED flash. It may arrive in a single, dual- or multi-light setup and in different arrangements.
One of the main characteristics of the cameras is their image resolution. It states the number of pixels on the horizontal and vertical dimensions of the image, which can also be shown in megapixels that indicate the approximate number of pixels in millions.
|4160 x 3120 pixels|
12.98 MP (megapixels)
Information about the maximum resolution at which the rear camera can shoot videos.
|1920 x 1080 pixels|
2.07 MP (megapixels)
Information about the maximum number of frames per second (fps) supported by the rear camera while recording video at the maximum resolution. Some of the main standard frame rates for recording and playing video are 24 fps, 25 fps, 30 fps, 60 fps.
|30 fps (frames per second)|
Information about additional software and hardware features of the rear camera which improve its overall performance.
Digital image stabilization
White balance settings
Phase detection autofocus (PDAF)
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
Information about the number of pixels on the horizontal and vertical dimensions of the photos taken by the front camera, indicated in megapixels as well.
|2560 x 1920 pixels|
4.92 MP (megapixels)
Information about the maximum resolution of the videos shot by the front camera.
|1920 x 1080 pixels|
2.07 MP (megapixels)
Digital cameras are able to shoot videos at different frames per second (fps). Some of the main standard frame rates for recording and playing video are 24 fps, 25 fps, 30 fps, 60 fps. Information about the maximum possible fps for shooting videos at the maximum possible resolution.
|30 fps (frames per second)|
Information about the type of speakers and the audio technologies supported by the device.
The loudspeaker is a device, which reproduces various sounds such as ring tones, alarms, music, voice calls, etc. Information about the type of speakers the device uses.
The radio in a mobile device is a built-in FM radio receiver.
Information whether the device has an FM radio receiver or not.
Information about the positioning and navigation technologies supported by the device.
The tracking/positioning service is provided by various satellite navigation systems, which track the autonomous geo-spatial positioning of the device that supports them. The most common satellite navigation systems are the GPS and the GLONASS. There are also non-satellite technologies for locating mobile devices such as the Enhanced Observed Time Difference, Enhanced 911, GSM Cell ID.
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
Wi-Fi communication between devices is realized via the IEEE 802.11 standards. Some devices have the possibility to serve as Wi-Fi Hotspots by providing internet access for other nearby devices. Wi-Fi Direct (Wi-Fi P2P) is another useful standard that allows devices to communicate with each other without the need for wireless access point (WAP).
|802.11b (IEEE 802.11b-1999)|
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
The technology has several versions, which improve the connection speed, range, connectivity and discoverability of the devices. Information about the Bluetooth version of the device.
Bluetooth uses various profiles and protocols related to faster exchange of data, energy saving, better device discoverability, etc. Some of those supported by the device are listed here.
|A2DP (Advanced Audio Distribution Profile)|
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
There are several USB connector types: the Standard one, the Mini and Micro connectors, On-The-Go connectors, etc. Type of the USB connector used by the device.
There are several versions of the Universal Serial Bus (USB) standard: USB 1.0 (1996), the USB 2.0 (2000), the USB 3.0 (2008), etc. With each following version the rate of data transfer is increased.
Тhe USB interface in mobile devices may be used for different purposes such as battery charging, using the device as a mass storage, host, etc.
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
Information whether the device is equipped with a 3.5 mm audio jack.
Information about other important connectivity technologies supported by the devices.
Information about some of the most widely used connectivity technologies supported by the device.
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
Information about some of the features and standards supported by the browser of the device.
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
|Audio file formats/codecs|
List of some of the most common audio file formats and codecs supported standardly by the device.
|AAC (Advanced Audio Coding)|
AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga)
eAAC+ / aacPlus v2 / HE-AAC v2
FLAC (Free Lossless Audio Codec, .flac)
MP3 (MPEG-2 Audio Layer II, .mp3)
OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus)
WMA (Windows Media Audio, .wma)
WAV (Waveform Audio File Format, .wav, .wave)
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
|Video file formats/codecs|
List of some of the most common video file formats and codecs supported standardly by the device.
|3GPP (3rd Generation Partnership Project, .3gp)|
AVI (Audio Video Interleaved, .avi)
MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks)
MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours.
|2900 mAh (milliampere-hours)|
The battery type is determined by its structure and more specifically, by the chemicals used in it. There are different battery types and some of the most commonly used in mobile devices are the lithium-ion (Li-Ion) and the lithium-ion polymer battery (Li-Polymer).
|Quick charge technology|
Quick charge technologies differ in energy efficiency, power output, control over charging, temperatures, etc. The device, battery and charger must support one and the same charging technology to achieve faster charging times.
|Qualcomm Quick Charge|
Information about some additional features of the device's battery.
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
|Head SAR (EU)|
The SAR head rating shows the highest level of exposure to electromagnetic radiation measured when the device is held next to the ear in a talk position. In Europe, the SAR limit for hand-held mobile devices is set to 2 W/kg per 10 g of tissue. This standard is specified by the CENELEC, complies with the IEC standards and follows the ICNIRP Guidelines 1998.
|0.463 W/kg (watts per kilogram)|
|Body SAR (EU)|
This SAR rating shows the highest level of exposure to electromagnetic radiation measured when the device is placed at the hip level. The top SAR value for mobile devices used in Europe is limited to 2 W/kg per 10 g of tissue. This standard follows the ICNIRP Guidelines 1998 as well as the IEC standards and is determined by the CENELEC.
|1.512 W/kg (watts per kilogram)|