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

Design

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

Display

Size
5.5-inch	6.7-inch
Resolution
1920x1080px, 401 PPI	2400x1080px, 20:9 ratio, 395 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
72.78 %	84.42 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm)	Qualcomm Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 2300 MHz Kryo 465
GPU
Adreno 506	Adreno 618
RAM
3GB (DDR3)	4GB (LPDDR4)
Internal storage
32GB	64GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 512 GB
OS
Android (6.0 Marshmallow)	Android (11, 10)

Battery

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

Camera

Rear
Single camera	Quad camera
Main camera
13 MP (CMOS image sensor, PDAF) Aperture size: F2.0	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 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
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
Front
5 MP	16 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 a,b,g,n,dual-band Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	Infrared

Multimedia

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

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, Micro SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Buyers information

MSRP
$ 145	$ 249
In The Box
	22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Feb 08, 2017	Mar 23, 2020

Alternative variants

Internal storage	16GB

with 128GB storage

RAM	6GB
Internal storage	128GB
MSRP	$ 279

System chip	MediaTek Helio X20 MT6797 (20 nm)
Processor	Deca-core 2100 MHz ARM Cortex-A72 and ARM Cortex-A53
GPU	Mali-T880 MP4
RAM	4GB
Internal storage	64GB

Links

Full specifications
Xiaomi Redmi Note 4X Specs	Xiaomi Redmi Note 9S Specs