1. GizChina.it - ​​Your Tech horizon
  2. Technical Data
  3. smartphone
  4. Redmi Notes 9S

Redmi Notes 9S

Redmi Notes 9S
Brand: Redmi
Category: smartphone
  • CPU: Snapdragon 720G
  • RAM: 6 / 4 GB
  • storage: 128 GB
  • Display: 6,67 "Full HD +
  • Camera: 48 + 8 + 5 + 2 MP

Redmi Note 9S - Specifications


Launch date May 27, 2020


Sizes 165,75 x 76,68 x 8,8 mm
Weight 209 g
Colors Interstellar Gray, Aurora Blue, Glacier White


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
Panel Dish
Diagonal 6,67 "
Resolution 2400 1080 pixels x
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. PPI 395
A 20:9
Screen-to-body ratio 84,5%
Refresh rate 60 Hz
Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage protection that helps protect your mobile phone from scratches, drops, and bumps of everyday use. . Gorilla Glass 5

Biometric release

Fingerprint reader Side
Facial recognition 2D


Chipset manufacturer chipset is a group of integrated circuits designed to perform one or more dedicated functions, often with real time computing constraints. Qualcomm
SoC Snapdragon 720G
Production Process 8 nm
CPU Octa-core
Frequency 2 x 2,3 GHz + 6 x 1,8 GHz
Architecture Kryo 465 Gold + Kryo 465 Silver
But by the full GPU acceleration tech But by the full GPU acceleration tech (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. Adreno 618
RAM RAM (Random Access Memory) is a type of computer memory that 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. 4 / 6 GB LPDDR4X
Memory 128 GB UFS 2.1


Operating system OS => Every computer system runs on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphones, 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 10
User interface UI or user interface of a device is the look and feel of the on-screen system menu. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface. MIUI 11


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. 5.020 mAh
Quick charge 18W
Reverse wireless charging


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. 5.0
Wi-Fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allow devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. Wi-Fi ac Dual Band
Dual Frequency GPS
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.
USB Type-C
Video Output HDMI (High-Definition Multimedia Interface) is a compact audio / video interface for transferring uncompressed video data from a HDMI-compliant source device to a compatible computer monitor, video projector, digital television, or digital audio device.
FM radio
Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a line of sight and operates only at close range.
2G bands GSM: B2 / 3 / 5 / 8
3G bands WCDMA: B1/2/4/5/8
4G bands TDD LTE: B38 / 40
FDD LTE: B1/2/3/4/5/7/8/20/28
SAR values 0.72 W / kg (head), 0.98 W / kg (body)


Speaker Mono (lower)


Primary 48 MP, f / 1.79, 1 / 2 ", 0.8 µm
Sensore Samsung S5KGM2 (primary), Omnivision OV8856 (wide angle), GalaxyCore GC02M1 (depth), Samsung S5KE9 (macro)
Stabilisation phase ICE CREAM
Wide 8 MP, f / 2.2, 1 / 4 ", 1.12 µm
FoV 119 °
Macro 5 MP, f / 2.4, 1 / 4 ", 1.12 µm
Depth sensor 2 MP, f / 2.4, 1.12 µm
Autofocus PDAF
Video 4K at 30fps, 1080p at 30fps, 1080p at 60fps
Selfie room 16 MP, f / 2.48, 1.0 μm
Front sensor Omnivision OV16A1Q
Type Punch-hole

Our evaluation

The evaluation of the product is based, in almost all cases, on the test performed during the review.

    OnePlus Nord N10

    Redmi Note 9S is one of the most popular mid-range smartphones by users. This device, therefore, came out on the market a May 2020, showing quite interesting features from all points of view. Taking a look at the , for example, here we find a unit from 6,67 "Full HD +, with a classic notch on the top. From the point of view of dimensions, however, this smartphone measures 165,75 x 76,68 x 8,8 mm, with a weight of 209 grams.

    Under the body there is a Qualcomm SoC Snapdragon 720G, therefore an octa-core CPU with a clock frequency of 2,3GHz. We then have 4 / 6 GB of RAM e 128 GB of internal memory, expandable via microSD. The fingerprint sensor, truly ergonomic, has been positioned on the right side frame. There is also one battery da 5.020 mAh with 18W fast charging support. On board, initially, the MIUI 11, based on Android 10.

    The photographic sector of Redmi Note 9S consists of three different sensors, with this configuration: 48 + 2 + 2 MP. On the front, however, there is space for a sensor from 16 MP, inserted in the drop notch.


    Here you find our review by Redmi Note 9S.


    redmi notes 9s


    Where to buy - Offers





    BrandsView All

    Show More Brands