Xiaomi Redmi Note 4
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The Xiaomi Redmi Note 4 is the fourth smartphone under the
Redmi Note Redmi is a subsidiary company owned by the Chinese electronics company Xiaomi. It was first announced in July 2013 as a budget smartphone line, and became a separate sub-brand of Xiaomi in 2019 with entry-level and mid-range devices, while Xia ...
series developed by Xiaomi Inc. It is a part of Xiaomi's budget
Redmi Redmi is a subsidiary company owned by the Chinese electronics company Xiaomi. It was first announced in July 2013 as a budget smartphone line, and became a separate sub-brand of Xiaomi in 2019 with entry-level and mid-range devices, while Xia ...
smartphone lineup. It has two variants : The older version sold as Redmi Note 4 is powered by a Deca-core
Mediatek MediaTek Inc. () is a Taiwanese fabless semiconductor company that provides chips for wireless communications, high-definition television, handheld mobile devices like smartphones and tablet computers, navigation systems, consumer multimedia pr ...
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 MSM8953
Qualcomm Snapdragon Snapdragon is a suite of system on a chip (SoC) semiconductor products for mobile devices designed and marketed by Qualcomm Technologies Inc. The Snapdragon's central processing unit (CPU) uses the ARM architecture. A single SoC may include mu ...
625 SoC. The Redmi Note 4 was succeeded by
Redmi Note 5 Xiaomi Redmi Note 5 is a smartphone developed by Xiaomi Inc. It is a part of Xiaomi's budget Redmi Note smartphone line. Redmi Note 5 was announced on 14 February 2018 in Delhi, India, alongside the local release of the Redmi Note 5 Pro. On 1 ...
.


History

In January 2017, the Snapdragon version of the Xiaomi Redmi Note 4 or Xiaomi Redmi Note 4X became the company's first major launch. It came with 2GB RAM + 32GB eMMC, 3GB RAM + 16 or 32GB eMMC and 4GB RAM + 64GB eMMC variants. The phone sports a 5.5-inch Full HD IPS display (1080 x 1920 resolution), translating to a
pixel density Pixels per inch (ppi) and pixels per centimetre (ppcm or pixels/cm) are measurements of the pixel density of an electronic image device, such as a computer monitor or television display, or image digitizing device such as a camera or image scanner. ...
of 401ppi. The display also promises to have contrast ratio of 1000:1 and 72% coverage of NTSC colour gamut. 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 , also called Miku Hatsune, and officially code-named CV01, is a Vocaloid software voicebank developed by Crypton Future Media and its official moe anthropomorphism, anthropomorphic mascot character, a 16-year-old girl with long, turquoise bu ...
. The set contained a customized box, the phone, a power bank and a protective case. In October 2017,
Lei Jun Lei Jun (born 16 December 1969) is a Chinese billionaire entrepreneur and philanthropist. He is known for founding the consumer electronics company Xiaomi. As of October 2022, Lei Jun's net worth was estimated at either US$8.1 billion according ...
announced that the sales of Redmi Note 4X exceeded 20 million units globally and its reputation was good. The company announced that as many as 9,624,110 units of Redmi Note 4 were sold in India in 2017 and that it was one of their best selling smartphones in the last quarter of 2017. The device sold over 10 Million units in India alone.


Specifications


Hardware

Xiaomi Redmi Note 4 MTK (codename nikel) is equipped with MediaTek MT6796 Helio X20 CPU and Mali-T880 MP4 GPU. It runs MIUI 8, (updated to MIUI 9.6) based on
Android 6.0 Android Marshmallow ( codenamed Android M during development) is the sixth major version of the Android operating system developed by Google, being the successor to Android Lollipop. It was announced at Google I/O on May 28, 2015, and released ...
. The Global 4 or 4X variant (SD - codename mido) uses Qualcomm's
Octa-core A multi-core processor is a microprocessor on a single integrated circuit with two or more separate processing units, called cores, each of which reads and executes program instructions. The instructions are ordinary CPU instructions (such a ...
2.0 GHz Snapdragon 625 CPU and
Adreno Adreno is a series of graphics processing unit (GPU) semiconductor intellectual property cores developed by Qualcomm and used in many of their SoCs. History Adreno (an anagram of AMD's graphic card brand '' Radeon''), was originally developed ...
506 GPU. All variants included an 1080p display, 2, 3 or 4 GB of RAM, 16, 32 or 64 GB
eMMC The MultiMediaCard, officially abbreviated as MMC, is a memory card standard used for solid-state storage. Unveiled in 1997 by SanDisk and Siemens, MMC is based on a surface-contact low pin-count serial interface using a single memory stack subs ...
5.1 Flash storage, a 5 MP front camera, non-removable 4100 mAh Li-Po battery and it supports Wi-Fi 802.11a/b/g/n/ac* (* = Wi-Fi 802.11 ac band is supported on MTK variant only) networks on both the 2.4 and 5 GHz bands. Phones also support hybrid SIM and Memory Card configuration in which user can have either two SIM cards or a SIM card +
microSDHC Secure Digital, officially abbreviated as SD, is a proprietary non-volatile flash memory card format developed by the SD Association (SDA) for use in portable devices. The standard was introduced in August 1999 by joint efforts between SanDis ...
card at one time 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 fingerprint sensor at the back which can also be used for capturing images via the front or the rear cameras. The device also comes equipped with a RGB
Notification LED A Notification LED is a small RGB or monochrome LED light usually present on the front-facing screen bezel (display side) of smartphones and feature phones whose purpose is to blink or pulse to notify the phone user of missed calls, incoming SMS ...
light and is recognized as one of the last phones by Xiaomi to have an RGB light instead of the monochromatic White color notification LED used in devices launched thereafter. The Redmi Note 4(MTK) has screws on each side of the micro-USB port which allows easy access to internal components. The Redmi Note 4X does not have this pair of screws. Also, the Redmi Note 4 (MTK) has a full metal body whereas the Global and
Snapdragon ''Antirrhinum'' is a genus of plants commonly known as dragon flowers, snapdragons and dog flower because of the flowers' fancied resemblance to the face of a dragon that opens and closes its mouth when laterally squeezed. They are native to r ...
variants of the phone have an anodized aluminum body with plastic inserts at top and bottom for better signal reception. The global variant also does not have the diamond cut finish found on the
MediaTek MediaTek Inc. () is a Taiwanese fabless semiconductor company that provides chips for wireless communications, high-definition television, handheld mobile devices like smartphones and tablet computers, navigation systems, consumer multimedia pr ...
variant of the phone.


Software

On launch, it ran
MIUI MIUI (pronunciation: ''Me You I'') is an Android (operating system), AndroidFork (software development), -based mobile operating system developed and maintained by Xiaomi independently of Google exclusively for its smartphones. MIUI includes var ...
8 based on Android 6.0, which was updated to MIUI 10.2 based on Android 7.0 for Snapdragon devices. Purchasing a Redmi Note 4 Snapdragon variant now will be running MIUI 8 based on Android 6.0.1 instead of Android 6.0. The Global Snapdragon Edition of the device is slated to receive MIUI 11 update based on Android 7.0 in November 2019. The
MediaTek MediaTek Inc. () is a Taiwanese fabless semiconductor company that provides chips for wireless communications, high-definition television, handheld mobile devices like smartphones and tablet computers, navigation systems, consumer multimedia pr ...
edition however, runs on MIUI 10 based on Android 6.0. The
Sailfish OS Sailfish OS is a Linux-based operating system based on free software, and open source projects such as Mer as well as including a closed source UI. The project is being developed by the Finnish company Jolla. The OS first shipped with the o ...
was ported on a Qualcomm version of Note 4.


Variants comparison


Reception

The smartphone received mostly positive feedback upon its launch because of its great battery life, good thermal performance, great price-to-performance ratio and great day to day performance. 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)." Also, in GSMArena's device review, the Snapdragon edition of the phone scored much better than specified figures, getting 1500:1 Contrast ratio, 484nits of maximum luminance and excellent colour accuracy for the clas

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." Gadgets360 also rated the phone 8 on 10, appreciating the device for its battery efficiency, good performance for the class and good thermal efficiency. AndroidCentral also considered Redmi Note 4(SD variant) to be one of the best smartphones one can buy in mid-budget range even after 6 months of launch. TechRadar called Redmi Note 4 to be an overall impressive device overall, though lacking the X factor, getting 4/5 ratings. Initially upon launch, it was not received as the true successor of the Redmi Note 3(Snapdragon Variant) mostly because of the use of Snapdragon 625 as opposed to the Snapdragon 650 in Redmi Note 3 in terms of the RAW performance of the CPU and GPU. Though perceived initially as a theoretical downgrade by media, XDA Developers also considered the device an upgrade to Redmi Note 3, citing its overall sustained performance, on par day to day performance and better battery and thermal performance by a good margin. The new Snapdragon 625 was well received by users as well as reviewers after using the device for a while owing to better fabrication process, battery life and thermal efficiency of the new chipset over the Snapdragon 650.


Gallery

File:Xiaomi Redmi Note 4 Back.jpg, Back of gold Redmi Note 4X File:Note 4.jpg, Back of black Redmi Note 4X File:Redmi Note 4 inside 20170915.jpg, Inside of Redmi Note 4 File:Insides of Redmi Note 4X.jpg, Insides of Redmi Note 4(X) MTK Version (Left) and Qcom Version (Right)


References


External links


Mi Global Home
{{Xiaomi, people=yes, software=yes, phones=yes, tablets=yes, laptops=yes, video=yes, wireless=yes, smart=yes, scooter=yes, below=yes Phablets Xiaomi Mobile phones introduced in 2017 Discontinued smartphones Mobile phones with infrared transmitter