Engineering:Redmi 4

From HandWiki
Short description: 2016 Android-based smartphone
Xiaomi Redmi 4
Xiaomi Redmi 4 Pro/Prime
BrandXiaomi
ManufacturerXiaomi
SeriesRedmi
Compatible networksGSM, 3G, 4G (LTE)
First released4 November 2016; 7 years ago (2016-11-04)
PredecessorXiaomi Redmi 3
SuccessorXiaomi Redmi 5
TypeSmartphone
Form factorMonoblock
Dimensions141.3 × 69.6 × 8.9 mm
Mass156 g (5.5 oz)
Operating systemInitial: Android 6.0.1 Marshmallow + MIUI 8
Current: Android 6.0. 1 Marshmallow + MIUI 10
CPURedmi 4: Qualcomm MSM8937 Snapdragon 430 (28 nm), 8×1.4 GHz Cortex-A53
Redmi 4 Prime: Qualcomm MSM8953 Snapdragon 625 (14 nm), 8×2.0 GHz Cortex-A53
GPURedmi 4: Adreno 505
Redmi 4 Prime: Adreno 506
MemoryRedmi 4: 2 GB
Redmi 4 Prime: 3 GB
LPDDR3
StorageRedmi 4: 16 GB
Redmi 4 Prime: 32 GB
eMMC 5.1
Removable storageMicroSDXC up to 128 GB
BatteryNon-removable, Li-Po 4100 mAh
DisplayBoth models: IPS, 5.0", 16:9
Redmi 4: 1280 × 720 ( HD), 296 ppi
Redmi 4 Prime: 1920 × 1080 (FullHD), 441 ppi
Rear cameraBoth models: 13 MP, f/2.2, PDAF
HDR, panorama
Video: 1080p@30fps
Redmi 4: LED flash
Redmi 4 Prime: 2-LED dual-tone flash
Front camera5 MP, f/2.2
Video: 1080p@30fps
ConnectivitymicroUSB 2.0, 3.5 mm Audio, Bluetooth 4.1 (Redmi 4)/4.2 (Redmi 4 Prime) (A2DP, LE), IR port, FM radio, Wi-Fi 802.11 a/b /g/n (dual-band, Wi-Fi Direct, hotspot), GPS, A-GPS, GLONASS, BDS
OtherFingerprint scanner (rear), proximity sensor, accelerometer, gyroscope, compass, hall sensor
SARRedmi 4:
Head 0.35 W/kg
Body 0.99 W/kg
Redmi 4 Prime:
Head 0.77 W/kg
Body 0.83 W/kg

Xiaomi Redmi 4 and Xiaomi Redmi 4 Prime (also known as Xiaomi Redmi 4 Pro) are smartphones of Xiaomi that belongs to the Redmi line. They were presented on November 4, 2016 together with Xiaomi Redmi 4A.[1]

Design

The screen is made of glass. The case of smartphones is made of aluminum and has a plastic insert on top.

From the back, the smartphones look like Xiaomi Redmi Note 4. In terms of design, the smartphones differ only in the location of the flash (in the Redmi 4, it is to the right of the camera, and in the Redmi 4 Prime, it is on the left).

At the bottom are the microUSB connector, the speaker and the speaker-styled microphone. On top are 3.5 mm audio jack, a second microphone and IR port. On the left side there is a hybrid slot for 2 SIM cards or 1 SIM card and a micro SD format memory card up to 128 GB . On the right side are the volume buttons and the smartphone lock button. The fingerprint scanner is located on the back panel.

In Ukraine, Xiaomi Redmi 4 and Redmi 4 Prime were sold in 3 colors: dark gray, silver and gold.

Specifications

Platform

Xiaomi Redmi 4 received a Qualcomm Snapdragon 435 processor and an Adreno 505 graphics processor.[2]

Xiaomi Redmi 4 Prime received a processor Qualcomm Snapdragon 625 and a graphics processor Adreno 506.[3]

Battery

The battery received a volume of 4100 mAh.

Camera

Smartphones received a main camera of 13 MP, f/2.2 with phase autofocus and the ability to record video in resolution 1080p@30fps. The front camera received a resolution of 5 MP, an aperture of f/2.2 and the ability to record video in a resolution of 1080p@30fps.

Screen

Xiaomi Redmi 4 received a screen IPS LCD, 5.0", HD (1280 x 720) with an aspect ratio of 16:9 and a pixel density of 296 ppi.

Xiaomi Redmi 4 Prime received a screen IPS LCD, 5.0", FullHD (1920 x 1080) with an aspect ratio of 16:9 and a pixel density of 441 ppi.

Memory

Xiaomi Redmi 4 was sold in 2/16 GB configuration.

Xiaomi Redmi 4 Prime was sold in the 3/32 GB configuration.

Software

Xiaomi Redmi 4 and Redmi 4 Prime were launched on MIUI 8 based on Android 6.0.1 Marshmallow. Have been updated to MIUI 10.

References