Xiaomi Redmi Note 9S

Xiaomi Apr 30, 2020

Overview

The Xiaomi Redmi Note 9S is a 2020-04-30 mid-range powerhouse smartphone from Xiaomi, available in elegant Aurora Blue, Glacier White, Interstellar Gray. Powered by Android 10 (upgradable to 12 for extended software support), featuring the Qualcomm Snapdragon 720G (8nm process). The device showcases a vibrant 6.67" LCD IPS display with crisp 1080 x 2400 px resolution (395 ppi pixel density), protected by Corning Gorilla Glass 5 for enhanced durability. For efficient multitasking, it offers 4GB LPDDR4X RAM RAM, with multiple storage configurations available: 4GB RAM + 64GB storage, 6GB RAM + 128GB storage, complemented by the Qualcomm Adreno 618 GPU for capable graphics performance. The professional-grade camera system features an impressive 48MP Standard main sensor with a wide f/1.79 aperture for exceptional low-light performance, complemented by a 8MP Wide Angle lens and a 2MP Portrait mode (depth) and a 5MP Macro lens for close-up details. For self-portraits, it features a quality 16MP front-facing camera for clear selfies. Power management is handled by a high-capacity 5020 mAh Li-Polymer battery, supporting 18W fast charging.

Hardware & Performance

ProcessorQualcomm Snapdragon 720G, Octa-Core, 8 nm process, Max 2.3 GHz, 64-bit architecture
CPU Configuration
GraphicsQualcomm Adreno 618
Memory4GB RAM (LPDDR4X RAM), 64GB Storage (UFS Storage 2.1)
Performance303,263 AnTuTu score (v9)
Additional FeaturesNoise cancellation microphone, 2 microphones
303,263
AnTuTu Score
4GB
RAM
64GB
Storage
2.3 GHz
Max CPU Speed
Powered by the advanced Qualcomm Snapdragon 720G built on 8 nm process with 64-bit architecture, reaching speeds up to 2.3 GHz
Enhanced visual performance with Qualcomm Adreno 618 graphics, delivering smooth gaming and multimedia experience
Equipped with 4GB LPDDR4X RAM RAM and 64GB UFS Storage 2.1 storage
Strong mid-range performance with a solid AnTuTu score of 303,263 (version v9)
Premium audio experience with Noise cancellation microphone, 2 microphones
Experience exceptional performance with this powerful hardware configuration, featuring advanced processing capabilities, optimized graphics, and comprehensive memory management for demanding applications and smooth multitasking.

Camera Features

Video Resolution
  • 4K
  • 1080p
  • 720p
Frame Rates
  • 30fps
  • 60fps
  • 120fps
  • 960fps
Video Features
  • EIS

The Xiaomi Redmi Note 9S features a 4-camera setup with a 48MP Standard main sensor (f/1.79) of 1/2" size and 0.80 µm pixel size. The Xiaomi Redmi Note 9S also includes a 8MP Wide Angle lens (f/2.2) and a 2MP Portrait mode (depth) and a 5MP Macro lens. For selfies, the Xiaomi Redmi Note 9S uses a 16MP front camera featuring 1/3.06" sensor size and 1.00 µm pixel size. The Xiaomi Redmi Note 9S's camera system includes 4K Video, Digital zoom, Quadruple camera.

DxOMark Scores

No DxOMark scores available for this device.

Camera details

Rear Camera

Resolution: 48 MP
Aperture: f/1.79
Sensor Model: Samsung S5KGM2
Sensor Type: ISOCELL
Pixel Size: 0.80 µm
Pixel Binning: 1-4 (2x2)
Sensor Size: 1/2"

Resolution: 8 MP
Aperture: f/2.2
Sensor Model: Omnivision OV8856
Sensor Type: PureCel
Pixel Size: 1.12 µm
Sensor Size: 1/4"

Resolution: 2 MP
Sensor Model: GalaxyCore GC02M1
Sensor Type: CMOS
Pixel Size: 1.75 µm
Sensor Size: 1/5"

Resolution: 5 MP
Sensor Model: Samsung S5KE9
Sensor Type: CMOS BSI
Pixel Size: 1.12 µm

Selfie Camera

Resolution: 16 MP
Sensor Model: Omnivision OV16A1Q
Sensor Type: CMOS
Pixel Size: 1.00 µm
Sensor Size: 1/3.06"

Additional Features

Extra:
  • 1.6μm 4-in-1 Super Pixel
  • Ultra wide lens FOV 119°
  • Macro lens 2cm focus distance
  • 10x digital zoom
  • PDAF
  • 4K recording 30fps
Flash:
  • LED
Optical Stabilisation:
  • No
Slow Motion Video:
  • Yes, 960 fps
Features:
  • 4K Video
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Night Mode

Display

Size6.67"
TypeLCD IPS
Resolution1080 x 2400 px
Pixel Density395 ppi
Aspect Ratio20:9
Refresh RateN/A
Brightness
Contrast Ratio1500:1
HDR SupportHDR10
ProtectionCorning Gorilla Glass 5
Additional Features
  • Hole-punch Notch
  • Brightnes 450 cd/m² (typ)
  • TÜV Rheinland Eye Comfort Certification
  • 84% NTSC
  • LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless

The Xiaomi Redmi Note 9S features a 6.67" LCD IPS display with 1080 x 2400 px resolution (395 ppi pixel density) in 20:9 aspect ratio. It delivers impressive 1500:1 contrast ratio. The screen supports advanced HDR formats including HDR10. Display protection is provided by Corning Gorilla Glass 5. User-centric features include hole-punch notch, multi-touch. Technical capabilities include brightnes 450 cd/m² (typ), tÜv rheinland eye comfort certification, 84% ntsc, led notifications, 2.5d curved glass screen, capacitive, frameless. Additional protection features include scratch resistant.

Review

Xiaomi Redmi Note 9S Review: A Reliable Workhorse That Won't Break the Bank

I've spent the better part of three weeks using the Xiaomi Redmi Note 9S as my daily driver, and it's been an insightful experience. At a price point that comfortably sits in the budget-friendly territory, this phone targets users who prioritize core functionalities and long-lasting battery life. My testing involved a mix of daily tasks, media consumption, casual gaming, and plenty of photo snapping – the kind of real-world use that reveals a phone's true strengths and weaknesses. My initial impression? The Redmi Note 9S feels like a dependable workhorse, a phone that gets the job done without unnecessary frills.

Market Context: Filling a Crucial Niche

In today's saturated smartphone market, the Redmi Note 9S occupies an interesting space. Xiaomi has carved a reputation for delivering impressive specs at competitive prices, and this phone is a testament to that strategy. It launched into a market hungry for value, offering features that punch above its weight class. From my perspective, Xiaomi is playing the smart game here, focusing on providing a solid, reliable experience for users who don't necessarily need the latest cutting-edge technology but still demand quality. The price point feels just right for what's on offer, making it a compelling option for budget-conscious consumers.

Design & Hardware: A Solid and Substantial Feel

My first interaction with the Redmi Note 9S was immediately defined by its size. This is a substantial phone, no doubt about it. The 6.67-inch display makes it less of a pocket-friendly companion for some, myself included, but it translates to an immersive experience when you're engrossed in content. Holding it, the phone feels well-built, with materials that feel reassuringly solid for its price. While the back is prone to fingerprints (a common trait in this segment), the overall construction inspires confidence. I appreciate the side-mounted fingerprint scanner, although I will admit, there's a slight learning curve to finding it instinctively. For everyday durability, the included Corning Gorilla Glass 5 on the front provides a welcome layer of protection against the inevitable bumps and scrapes.

Display: Bright and Engaging for Everyday Use

The expansive 6.67-inch IPS LCD screen is a real highlight for media consumption. While it might not boast the vibrant pop of an OLED panel, I found the colors to be well-represented and the brightness to be more than adequate, even under bright sunlight. My experience watching videos and browsing through social media was enjoyable, with the large screen offering an immersive view. Gaming also felt engaging on this display. For daily use, reading text and navigating apps felt comfortable, making it a pleasant screen to interact with for extended periods.

Performance: Capable and Consistent for Daily Tasks

Under the hood, the Qualcomm Snapdragon 720G chipset handles the processing, and in my testing, it delivered a smooth and responsive experience for everyday tasks. Navigating through apps, browsing the web, and multitasking felt fluid, without any noticeable lag. I put it through its paces with some popular mobile games, and it handled them reasonably well, providing a playable experience without significant frame drops. While it might not be a dedicated gaming powerhouse, it's more than capable for casual gaming sessions. I didn't encounter any significant overheating issues during my usage, which is a testament to its thermal management. For a phone in this price range, the performance is definitely a strong point.

Camera System: Versatility for Everyday Shoots

The camera system on the Redmi Note 9S offers a good degree of versatility. The 48-megapixel main sensor is the star of the show, capturing detailed and vibrant photos in good lighting conditions. I found myself impressed with the clarity and color accuracy in well-lit environments. The 8-megapixel ultrawide lens is handy for capturing expansive landscapes or group shots, although the image quality does take a slight dip compared to the main sensor. The dedicated macro lens allows you to get up close and personal with subjects, but like many macro lenses in this class, it's more of a novelty than a core feature in my experience. Video recording capabilities are decent, with the electronic image stabilization (EIS) helping to smooth out handheld footage. Compared to other phones in this price bracket, the Redmi Note 9S holds its own, offering a capable camera system for everyday photography needs.

Battery & Charging: A True Endurance Champion

The 5020mAh battery is undoubtedly one of the standout features of the Redmi Note 9S. In my testing, this phone consistently delivered all-day battery life, even with fairly heavy usage. On a typical day involving browsing, social media, music streaming, and some photography, I'd easily make it to the evening with plenty of juice to spare. This kind of battery endurance is a major plus for anyone who's tired of constantly worrying about their phone dying. While it supports 18W fast charging, which is reasonable, it's not the absolute fastest on the market. However, the sheer longevity of the battery means you often don't need a quick top-up during the day, making overnight charging a perfectly viable option.

Software: Functional and Feature-Rich

The Redmi Note 9S runs on Xiaomi's MIUI, layered on top of Android. My daily experience with the software has been generally positive. The interface is clean and customizable, offering a range of features and options. While some might find the pre-installed apps a bit much, they can generally be uninstalled. Xiaomi's track record with software updates for devices in this category is something to keep in mind, but for day-to-day use, the software feels functional and provides a smooth user experience.

Value Analysis: A Lot of Phone for the Money

Analyzing the value proposition of the Redmi Note 9S, it's clear that you're getting a significant amount of phone for your money. The combination of a large, capable display, solid performance for everyday tasks, a versatile camera system, and exceptional battery life makes it a strong contender in the budget segment. This phone is ideal for users who prioritize battery life and a large screen without breaking the bank. Those who rely heavily on NFC for contactless payments or demand the absolute highest level of gaming performance might look elsewhere. However, when compared to its competitors in the same price range, the Redmi Note 9S offers a compelling package.

Conclusion: A Solid Choice for the Pragmatic User

The Xiaomi Redmi Note 9S is a reliable and well-rounded smartphone that delivers on its promise of providing a great everyday experience without a hefty price tag. My time with it has solidified its position as a strong contender in the budget market. If you value long-lasting battery life, a large and engaging display, and dependable performance for daily tasks, the Redmi Note 9S is a phone you should seriously consider. It's a testament to Xiaomi's ability to pack impressive features into an affordable device, making it a smart choice for the pragmatic user.

Basic Information

Xiaomi Redmi Note 9S
BrandXiaomi
ModelXiaomi Redmi Note 9S
Launch DateThursday, April 30, 2020
Release Year2020
Dimensions165.8 × 76.7 × 8.8 mm
Weight209 g
Volume111.91 cm³
Available Colors
  • Aurora Blue
  • Glacier White
  • Interstellar Gray

Xiaomi Redmi Note 9S was released on Thursday, April 30, 2020. The phone measures 165.8 × 76.7 × 8.8 mm with a volume of 111.91 cm³ and weighs 209g. It features a 6.67" LCD IPS display with 1080 x 2400 px resolution (395 ppi pixel density) The device is available in the following colors: Aurora Blue, Glacier White, Interstellar Gray.

Battery

Capacity5020 mAh
TypeLi-Polymer
Fast Charging18W
Wireless ChargingN/A
Features
  • Non-removable
Additional InfoN/A

The Xiaomi Redmi Note 9S is equipped with a 5020 mAh Li-Polymer battery. It features fast charging at 18W. The battery system includes non-removable.

Software

OSAndroid
OS Version10
Max OS Version12

The Xiaomi Redmi Note 9S runs on Android 10 and is upgradable to 12. It is powered by the Qualcomm Snapdragon 720G chipset .

Connectivity

WiFi
WiFi Standards
802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac
Other WiFi Features
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
BluetoothBluetooth 5.0 LE Low energy consumption
Bluetooth Features
A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), APT-x, SBC
GPS
GPS, A-GPS, GLONASS, Beidou, NavIC System
Network Bands
4G LTE

B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300)

3G

B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)

2G

B2 (1900), B3 (1800), B5 (850), B8 (900)
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)
USB
Charging, Mass Storage, USB OTG, USB Type-C
NFCNo
Experience lightning-fast wireless connectivity with 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, enhanced by advanced features including Dual band, Hotspot, Direct, Display, MiMO
Seamless device connectivity through Bluetooth 5.0 LE Low energy consumption, offering enhanced capabilities like A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), APT-x, SBC
Stay connected globally with Dual SIM Dual Standby (Nano SIM + Nano SIM) card support
Versatile connectivity options including Charging, Mass Storage, OTG, USB Type-C
Comprehensive network coverage with support for 4G LTE connectivity, 3G connectivity, 2G connectivity
This device is optimized for global network compatibility, ensuring reliable connectivity across different regions and carriers.

Sensors

Security Sensors
  • Fingerprint (side-mounted)
Motion Sensors
  • accelerometer
  • gyro
Environmental Sensors
  • proximity
  • compass
Health SensorsN/A

For security, the Xiaomi Redmi Note 9S features fingerprint (side-mounted). Motion tracking is handled by accelerometer gyro. Environmental monitoring includes proximity compass.