Xiaomi Redmi 9 vs Samsung Galaxy S9 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.

5.0	9.0
Xiaomi Redmi 9	Samsung Galaxy S9
Released · Jun 18, 2020	Released · Mar 16, 2018
6.5-inch · 2340x1080px	5.8-inch · 2960x1440px
Quad camera	Single camera
3GB · 32GB	4GB · 64GB
5020 mAh	3000 mAh
Check prices	Check prices

Design

Dimensions
6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm	5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm
Weight
6.98 oz (198.0 g)	5.75 oz (163.0 g)
Materials
	Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	Iris scanner, 2D Face unlock, Fingerprint (touch)
Features
	Notification light
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Carbon gray, Sunset purple, Ocean green	Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue

Display

Size
6.5-inch	5.8-inch
Resolution
2340x1080px, 19.5:9 ratio, 395 PPI	2960x1440px, 18.5:9 ratio, 568 PPI
Technology
IPS LCD	Super AMOLED
Screen-to-body
83.27 %	84.36 %
Features
Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio G80 (12 nm)	Qualcomm Snapdragon 845 SDM845 (10 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55	Octa-core 2800 MHz Kryo 385
GPU
Mali G52 MC2	Adreno 630
RAM
3GB (LPDDR4)	4GB (LPDDR4)
Internal storage
32GB (eMMC 5.1)	64GB
Storage expansion
microSDXC	microSDXC up to 400 GB
OS
Android	Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI

Battery

Capacity
5020 mAh	3000 mAh
Type
	Li - Ion
Charging
Qualcomm Quick Charge 3.0	Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Charge speed
Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Single camera
Main camera
13 MP (PDAF) Aperture size: F2.2	12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2
Third camera
5 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Flash
LED	LED
Video recording
1920x1080 (Full HD)	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
Front
8 MP (HDR), Video capture: 1920x1080 (Full HD)	8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps)

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
	32-Bit DAC, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	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), 20(800 DD), 28(700 APT)	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)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
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
10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced
	Feb 25, 2018

Alternative variants

with 64GB storage


RAM	4GB
Internal storage	64GB

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 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
Xiaomi Redmi 9 Specs	Samsung Galaxy S9 Specs
PhoneArena Review
Xiaomi Redmi 9 Review	Samsung Galaxy S9 Review
User Reviews
Xiaomi Redmi 9 User Reviews	Samsung Galaxy S9 User Reviews