Xiaomi Redmi Note 9S vs Xiaomi Redmi Note 4 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Xiaomi Redmi Note 9S Xiaomi Redmi Note 4
Released · Apr 07, 2020
Released · Jan 23, 2017
6.7-inch · 2400x1080px
5.5-inch · 1920x1080px
Quad camera
Single camera
4GB · 64GB
4GB · 64GB
5020 mAh
4100 mAh

Availability

Officially announced
Mar 23, 2020 Jan 19, 2017
Prices (MSRP)
$249 2GB/32GB - $146
3GB/32GB - $161
4GB/64GB - $190

Design

Dimensions
6.53 x 3.02 x 0.35 inches
165.75 x 76.68 x 8.8 mm
5.94 x 2.99 x 0.33 inches
151 x 76 x 8.45 mm
Weight
7.37 oz / 209.0 g 5.82 oz / 165.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Back: Aluminum
Biometrics
Fingerprint (touch) Fingerprint (touch)
Features
Touch sensitive control keys, Soft keys
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Interstellar grey, Aurora blue, Glacier white Black, Gold, Gray, Blue, White

Display

Size
6.7-inch, 84.42% screen-to-body 5.5-inch, 72.78% screen-to-body
Type
IPS LCD, HDR IPS LCD, 450 nits
Resolution
2400x1080px, 20:9 ratio, 395 PPI 1920x1080px, 401 PPI
Protection
Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 720G SM7125 (8 nm) Snapdragon 625 8953
Processor
Octa-core
2300 MHz
Kryo 465
Octa-core
ARM Cortex-A53
GPU
Adreno 618 Adreno 506
Memory
4GB (LPDDR4)/64GB
6GB/128GB
4GB (LPDDR3)/64GB
2GB/32GB
3GB/32GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 128 GB
OS
Android (11, 10) Android (7.0 Nougat, 6.0 Marshmallow)

Battery

Type
5020 mAh, Li - Polymer 4100 mAh, Li - Polymer
Charging
Fast charging

Camera

Rear
Quad camera Single camera
Main camera
48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2"
Pixel size: 0.8 μm
13 MP (PDAF, CMOS image sensor, BSI sensor)
Aperture size: F2.0
Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
Third camera
5 MP (Macro, Autofocus)
Aperture size: F2.4
Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.75 μm
Flash
Dual LED Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps) 1080p (30 fps), 720p (120 fps)
Video calling, Video sharing
Front
16 MP (HDR, Slow-motion videos)
Video capture: 1080p
5 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 4.1
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n
USB
Type-C microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou
Other
Infrared Infrared, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
3, 5
4G (TDD) Bands
38, 40 40
3G Bands
5, 8, 4, 2, 1 1, 2, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSPA
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM, Micro SIM
VoLTE
Yes Yes

Alternative variants

with 128GB storage
Memory 6GB/128GB
Prices (MSRP) $279
Memory 2GB/32GB
Prices (MSRP) $146
Memory 3GB/32GB
Prices (MSRP) $161
FCC OKs Cingular\'s purchase of AT&T Wireless