Xiaomi Redmi 4

Brand: Xiaomi
Category: Mobiles
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Processor: Qualcomm MSM8937 Snapdragon 430 (Octa-core 1.4 GHz Cortex-A53)
RAM: 2 GB/ 3 GB/ 4 GB
Storage: 16 GB/ 32 GB/ 64 GB
Display: 5.0 inches
Camera: 13 MP/5 MP
OS: Android 6.0.1 (Marshmallow)

Our Rating

The overall rating is based on review by our experts

8.1 4.1 1

Performance 8 / 10
Display 7 / 10
Design 8 / 10
Software 8 / 10
Camera 8 / 10
Battery 9 / 10
Value For Money 9 / 10

The Xiaomi launched its new Entry Level Android Phone in India e.i. Xiaomi Redmi 4. It is available in Gold, Dark Gray, Silver and Matte Black colour variant. The phone has three variant which has priced at:

2GB RAM/ 16GB- Rs. 6,999,
3GB RAM/ 32GB- Rs. 8,999, and
4GB RAM/ 64GB- Rs. 10,999.

Display and Design

The Xiaomi Redmi 4 comes with the 5.0 inches IPS LCD capacitive touchscreen display. It has a display resolution of 720 x 1280 pixels with a pixel density of 296 ppi. The dimensions measures at 141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in) with a weight of 156 g (5.50 oz). The display will be protected with 2.5D covered glass protection.

Hardware and Software

The Xiaomi Redmi 4 runs on the Android 6.0.1 (Marshmallow) based on MIUI 8. It in-built Qualcomm MSM8937 Snapdragon 435 chipset Octa-core 1.4 GHz Cortex-A53 processor. It has a spot of Adreno 505 GPU. The phone has 2 GB/ 3 GB/ 4 GB of RAM. It packs a 16 GB/ 32 GB/ 64 GB of internal memory that can be expandable up to 256 GB via Micro SD card.

Camera and Battery

As far as the camera are concerned, it packs 13 Megapixel primary camera and 5 Megapixel secondary camera for selfies and video chats. The primary camera capable of 1080p@30fps video recording. It includes Geo-tagging, touch focus, face/smile detection, HDR, panorama, phase detection autofocus, LED flash. The powerhouse of the phone is Li-Po 4100 mAh capacity with the Non-removable battery. It has a feature of Fast battery charging which is quite superb.

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Sensors and Connectivity

The Sensors the phone have included:

Fingerprint sensor (rear-mounted),
Accelerometer sensor,
Gyro sensor,
Proximity sensor, and
Compass sensor.

The Connectivity options includes:

Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
Bluetooth- 4.1, A2DP, LE
GPS with A-GPS, GLONASS, BDS
Infrared port
FM radio
USB- microUSB 2.0

Xiaomi Redmi 4 - Specs

Network

Design

Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.

Bar
Dimensions

141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in)
Weight

156 g (5.50 oz)
Colors

Gold, Dark Gray, Silver and Matte Black.

Display

Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor)

IPS LCD capacitive touchscreen
Size

5.0 inches
Resolution

720 x 1280 pixels
Display Colors Display Colors is refers to the number of different shades of colors that the screen is capable of displaying => 64K colors, 256K colors and 16 million colors, Obviously 16M is highest available range of colors and better than others.

16M colors
Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.

296 ppi
Features

SMS(threaded view), MMS, Email, Push Mail, IM
Browser HTML5
Java No
- Fast battery charging
- DivX/Xvid/MP4/H.265 player
- MP3/WAV/eAAC+/FLAC player
- Photo/video editor
- Document viewer

Software

Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.

Android 6.0.1 (Marshmallow)
Skin UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface.

MIUI 8

Hardware

Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming.

Qualcomm MSM8937 Snapdragon 435
CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.

Octa-core 1.4 GHz Cortex-A53
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.

Adreno 505
RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.

2 GB/ 3 GB/ 4 GB
Internal Storage Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.

16 GB/ 32 GB/ 64 GB
Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.

up to 256 GB
Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.

Fingerprint (rear-mounted), accelerometer, gyro, proximity, and compass.

Camera

Primary Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality.

13 MP
Video

1080p@30fps
Camera Features

Geo-tagging, touch focus, face/smile detection, HDR, panorama, phase detection autofocus, LED flash

Battery

Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium.

Li-Poly (Lithium Polymer)
Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions.

4100 mAh

Connectivity

Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices.

4.1, A2DP, LE
Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world.

Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range.
USB

microUSB 2.0
GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.

tA-GPS, GLONASS, BDS
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.
Headphone Jack