Samsung Galaxy S9 vs Xiaomi Redmi Note 9 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.

9.0	8.5
Samsung Galaxy S9	Xiaomi Redmi Note 9
Released · Mar 16, 2018	Released · May 12, 2020
5.8-inch · 2960x1440px	6.5-inch · 2340x1080px
Single camera	Quad camera
4GB · 64GB	3GB · 64GB
3000 mAh	5020 mAh
Check prices	Check prices

Design

Dimensions
5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm	6.39 x 3.04 x 0.35 inches 162.3 x 77.2 x 8.9 mm
Weight
5.75 oz (163.0 g)	7.02 oz (199.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Frame: Plastic
Resistance
Water, Dust; IP68	Splash
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Features
Notification light
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue	Forest green, Polar white, Midnight gray

Display

Size
5.8-inch	6.5-inch
Resolution
2960x1440px, 18.5:9 ratio, 568 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Technology
Super AMOLED	IPS LCD
Screen-to-body
84.36 %	83.52 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	MediaTek Helio G85 (12 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2000 MHz Arm Cortex-A75 and ArmCortex-A55
GPU
Adreno 630	Mali G52 MC2
RAM
4GB (LPDDR4)	3GB (LPDDR4)
Internal storage
64GB	64GB (eMMC 5.1)
Storage expansion
microSDXC up to 400 GB	microSDXC up to 128 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI	Android (10), Xiaomi MI UI

Battery

Capacity
3000 mAh	5020 mAh
Type
Li - Ion	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging	Fast charging, Reverse wired charging
Charge speed
	Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

10h 43min

Gaming

7h 34min

Camera

Rear
Single camera	Quad camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm	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 Sensor size: 1/4" Pixel size: 1.2 μm
Third camera
	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
	2 MP Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.7 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing	1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Front
8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps)	13 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC, Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jan 11, 2018 FCC ID value: A3LSMG960U
Measured SAR
Head: 0.35 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.95 W/kg

Buyers information

MSRP
$ 720
In The Box
	22.5W Charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Feb 25, 2018	Apr 30, 2020

Alternative variants

International version


System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
FCC approval	Date approved: Dec 27, 2017 FCC ID value: A3LSMG960F
Measured SAR	Head: 0.26 W/kg Body: 1.00 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.04 W/kg

with 128GB storage


RAM	4GB
Internal storage	128GB

with Dual SIM


System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
Dual SIM	Yes

with 256 GB storage


Internal storage	256GB
MSRP	$ 820

with 128 GB storage


Internal storage	128GB
MSRP	$ 770

Links

Full specifications
Samsung Galaxy S9 Specs	Xiaomi Redmi Note 9 Specs
PhoneArena Review
Samsung Galaxy S9 Review	Xiaomi Redmi Note 9 Review
User Reviews
Samsung Galaxy S9 User Reviews	Xiaomi Redmi Note 9 User Reviews