Redmi 4 Explained

Xiaomi Redmi 4
Xiaomi Redmi 4 Prime/Pro
Codename:Redmi 4: prada
Redmi 4 Prime: markw
Logosize:250px
Developer:Xiaomi
Manufacturer:Xiaomi
Colors:Dark gray, silver, gold
Series:Redmi
Modelnumber:Redmi 4: 2016090
Redmi 4 Prime: 2016060
Networks:GSM, 3G, 4G (LTE)
Predecessor:Redmi 3
Successor:Redmi 5
Related:Redmi 4A
Redmi 4X
Type:Smartphone
Form:Slate
Size:141.3 × 69.6 × 8.9 mm
Weight:156g
Os:Original: Android 6.0.1 Marshmallow + MIUI 8
Current: Android 6.0. 1 Marshmallow + MIUI 10
Soc:Redmi 4: Qualcomm MSM8937 Snapdragon 430 (28 nm)
Redmi 4 Prime: Qualcomm MSM8953 Snapdragon 625 (14 nm)
Cpu:Redmi 4: 8×1.4 GHz Cortex-A53
Redmi 4 Prime: 8×2.0 GHz Cortex-A53
Gpu:Redmi 4: Adreno 505
Redmi 4 Prime: Adreno 506
Memory:Redmi 4: 2 GB
Redmi 4 Prime: 3 GB
LPDDR3
Storage:Redmi 4: 16 GB
Redmi 4 Prime: 32 GB
eMMC 5.1
Memory Card:microSDXC up to 128 GB
Sim:Dual SIM (Micro-SIM + Nano-SIM)
Battery:Non-removable, Li-Po 4100 mAh
Display:Both models: IPS, 5.0", 16:9
Redmi 4: 1280 × 720 (HD), 296 ppi
Redmi 4 Prime: 1920 × 1080 (FHD), 441 ppi
Rear Camera:Both 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 Camera:5 MP, f/2.2
Video: 1080p@30fps
Connectivity:microUSB 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
Other:Fingerprint scanner (rear), proximity sensor, accelerometer, gyroscope, compass, Hall effect sensor
Sar:Redmi 4:
Head 0.35 W/kg
Body 0.99 W/kg
Redmi 4 Prime:
Head 0.77 W/kg
Body 0.83 W/kg
References:[1] [2]

The Xiaomi Redmi 4 and Xiaomi Redmi 4 Prime (also known as Xiaomi Redmi 4 Pro) are Android smartphones of Xiaomi that belongs to the Redmi series. They were announced on November 4, 2016 alongside Xiaomi Redmi 4A.[3]

Design

The screen is made of glass. The case of smartphones is made of aluminum with a plastic strip on top.

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

At the bottom are the microUSB port, 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 microSD memory card up to 128 GB. On the right side are the volume rocker and the smartphone lock button. The fingerprint sensor is placed on the back.

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

Specifications

Hardware

The Redmi 4 received a Qualcomm Snapdragon 435 SoC with an Adreno 505 GPU and was, while Redmi 4 Prime received a Qualcomm Snapdragon 625 SoC and an Adreno 506 GPU. The base model was sold in 2/16 GB memory configuration, while the Prime model was sold in the 3/32 GB memory configuration. Both models use an LPPDR4X memory and an eMMC 5.1 storage.

The models have a non-removable 4100 mAh Li-Po battery.

The Redmi 4 and Redmi 4 Prime received the main 13 MP camera with an f/2.2 aperture and phase detection autofocus and the front-facing 5 MP camera with an f/2.2 aperture. Both cameras can record video at up to 1080p@30fps.

The smartphones received a 5-inch IPS LCD display with an aspect ratio of 16:9. The Redmi 4 display has an HD (1280 × 720 pixels) resolution with a pixel density of 296 ppi, while on the Redmi 4 Prime it is Full HD (1920 × 1080) and 441 ppi respectively.

Software

The models were launched with MIUI 8 based on Android 6.0.1 Marshmallow and have been updated to MIUI 10.

Notes and References

  1. Web site: Xiaomi Redmi 4 (China) - Full phone specifications. www.gsmarena.com. 2020-04-19. May 16, 2021. https://web.archive.org/web/20210516123225/https://www.gsmarena.com/xiaomi_redmi_4_(china)-8419.php.
  2. Web site: Xiaomi Redmi 4 Prime - Full phone specifications. www.gsmarena.com. 2020-04-19. May 16, 2021. https://web.archive.org/web/20210516134911/https://www.gsmarena.com/xiaomi_redmi_4_prime-8263.php.
  3. Web site: Xiaomi unveils Redmi 4A, Redmi 4 Standard, and Redmi 4 Prime. GSMArena.com. 2021-04-18. en-US. 18 April 2021. https://web.archive.org/web/20210418090945/https://www.gsmarena.com/xiaomi_unveils_redmi_4a_redmi_4_standard_and_redmi_4_prime-news-21458.php.