Xiaomi Redmi Note 4

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Xiaomi Redmi Note 4
Redmi note 4.png
Xiaomi Redmi Note 4 Front.jpg
Xiaomi Redmi Note 4 Front
Manufacturer Xiaomi
Series Xiaomi Redmi
First released

June 2016; 2 years ago (2016-06)

January 2017; 1 year ago (2017-01)
Predecessor Redmi Note 3
Successor Redmi Note 5
Type Touchscreen smartphone
Form factor Slate
  • 151 mm (5.9 in) H
  • 76 mm (3.0 in) W
  • 8.5 mm (0.33 in) D
Weight 165 g (5.8 oz)
Operating system Redmi Note 4: MIUI 9 based on Android 6.0
Redmi Note 4X: MIUI 9 based on Android 7.0
CPU Mediatek Helio X20 10x 2.1GHz
Snapdragon 625 8x 2.0 GHz Cortex-A53

Redmi Note 4: Mali-T880 MP4

Redmi Note 4X: Adreno 506
Memory 16 GB, 32 GB or 64 GB
2 GB, 3 GB or 4 GB
Removable storage microSD, up to 256 GB (uses SIM 2 slot)
Battery Non-removable Li-Po 4100 mAh battery
Display 5.5 in (140 mm) IPS LCD capacitive touchscreen
1080 x 1920 pixels, ~401 ppi, 16M colors
Rear camera 13 MP, f/2.0, phase detection autofocus, dual-LED (dual tone) flash
Front camera 5 MP, f/2.0, 1080p
  • Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot Bluetooth 4.1, A2DP, LE

The Xiaomi Redmi Note 4 is the fourth smartphone of Redmi Note series developed by Xiaomi Inc.[1] It is a part of Xiaomi's budget Redmi smartphone line.[2][3] It has two variants: The older version sold as Redmi Note 4 is powered by a Deca-core Mediatek MT6797 Helio X20 SOC. The upgraded version, sold both as Redmi Note 4X and Redmi Note 4 (where MTK version was not released) is powered by an Octa-core Qualcomm Snapdragon 625 SOC.[4] The Redmi Note 4 was succeed by Redmi Note 5.[5]


In January 2017, the Snapdragon version of the Xiaomi Redmi Note 4X became the company's first major launch. It came with 2GB RAM + 32GB EMMC memory, 3GB RAM + 16 or 32GB EMMC and 4GB RAM + 64GB EMMC.[6] The phone sports a 5.5-inch Full HD IPS display – the 1080 x 1920 resolution translating to a pixel density of 401ppi.[7]

On February the 14th 2017, alongside the Chinese release of the Redmi Note 4X, Xiaomi released a limited edition set of the phone featuring Hatsune Miku. The set contained a customized box, the phone, a power bank and protective case.

In October 2017, Lei Jun announced that the sales of RedMi Note 4X exceeded 20 million units and its reputation was good.[8]

The company announced that as many as 9,624,110 units of Redmi Note 4 were sold in 2017 and that it was one of their best selling smartphones in the last quarter of 2017.[9]



Xiaomi Redmi Note 4- codename nikel is equipped with MediaTek MT6796 Helio X20 CPU and Mali-T880 MP4 GPU. It runs MIUI 8, updated to MIUI 9 based on Android 6.0 . The 4X - codename mido variants have the Octa-core 2.0 GHz Snapdragon 625 CPU and Adreno 506 GPU.[10] All variants include a 5.5 in (140 mm) 1080p display, 2 GB, 3 GB or 4 GB of RAM, 16 GB, 32 GB or 64 GB eMMC 5.0 Flash, a 5MP front camera, non-removable Li-Po 4100 mAh battery and it supports 802.11b/g/n/ac networks on both the 2.4 and 5 GHz bands. Phones also support two SIM cards or a SIM card + microSDHC card because one SIM card and the microSDHC card share the same physical tray slot.

Another notable feature of the phone is the presence of a finger-print sensor at the back which can also be used for capturing images via the front or the rear cameras.

The Redmi Note 4 has screws beside the microUSB port which allows easy access to internal components. The Note 4X does not have these set of screws.


It runs MIUI 8 based on Android 6.0, which was updated to MIUI 9 based on Android 7.0.

Variants comparison[edit]

Name Codename Display Resolution Release date SoC RAM User memory LTE Camera Front camera Battery Operating system MIUI distributions
Redmi Note 4 [11] nikel IPS 5.5" HD 1080p June 2016 Mediatek

Helio X20

10x 2.1 GHz

3 GB 32 GB Yes 13 MP 5 MP 4100 mAh



Android 6.0

MIUI 8 when released

China, Global and Xiaomi.eu
64 GB
4 GB 64 GB

(also known as RMN4X)

Redmi Note 4X [12]

Redmi Note 4[13]

mido January 2017 Qualcomm

Snapdragon 625

8x 2 GHz

2 GB 32 GB MIUI 9

Android 7.0

MIUI 8 based on Android 6.0.1 when released

China, Global and Xiaomi.eu
3 GB 16 GB
32 GB
4 GB 64 GB


GSMArena states: "The Redmi Note 4(X)'s Snapdragon 625, which we consider to be the ultimate mid-range chipset for this generation, provides excellent performance with great power efficiency and thermal properties. The battery life of this phone is jaw-dropping, the MIUI experience is smooth, and the camera does well in all occasions. All these goodies come in a sturdy metal body, which adds to the already great value of the Redmi Note 4(X)." [14]

According to AndroidAuthority: "The Redmi Note 4(X) is not perfect, but it is a well-rounded package that one wouldn’t hesitate to recommend to anyone looking for a budget or mid-range smartphone. Packed in a neat chassis, the smartphone performs great and is a compelling value-for-money smartphone." [15]



  1. ^ "Xiaomi Redmi 4 Review- The Best Budget Smartphone!". The AndroidPoint. Retrieved 2017-05-02. 
  2. ^ "Xiaomi Redmi Note 4". GSMArena. Retrieved 23 May 2017. 
  3. ^ "Xiaomi Redmi Note 4 Review". ndtv. Retrieved 23 May 2017. 
  4. ^ "Xiaomi Redmi Note 4". GSMArena. Retrieved 23 May 2017. 
  5. ^ "Xiaomi to launch Redmi Note 5 Pro as Redmi Note 5 in China". GSMArena.com. Retrieved 2018-07-03. 
  6. ^ "Xioami Redmi Note 4 processor". xiaomidevice. Retrieved 23 May 2017. 
  7. ^ "Xiaomi Redmi Note 4 review". 2017-02-17. 
  8. ^ ""价格屠夫"名不虚传!红米NOTE4X:单机销量突破2000万". share.iclient.ifeng.com. Retrieved 2017-12-01. 
  9. ^ "Xiaomi sold more than 9.6 million Redmi note 4 last year". Times Now,edited by Suraj Sarkar 1805. Retrieved 2018-02-14. 
  10. ^ "The Snapdragon Edition Xiaomi Redmi Note 3 hands-on". GSMArena.com. p. 1. Retrieved 19 August 2016. 
  11. ^ "红米Note 4 参数 - 小米商城". www.mi.com (in Chinese). Retrieved 2017-09-07. 
  12. ^ "红米Note 4X - 小米商城". www.mi.com (in Chinese). Retrieved 2017-09-09. 
  13. ^ "Redmi Note 4 - Mi Singapore". www.mi.com. Retrieved 2017-09-07. 
  14. ^ "Xiaomi Redmi Note 4 (S625) review: Take Note!". GSMArena.com. Retrieved 2017-09-12. 
  15. ^ Xiaomi Redmi Note 4 review, by Abhishek Baxi, February 17, 2017, androidauthority.com


External links[edit]

  1. ^ "In depth review on Redmi Note 4", Hometop, India, 1 February 2018. Retrieved on 8 February 2018.