Samsung Galaxy S9+ vs Xiaomi Redmi 9 Specs Comparison

Availability

Officially announced
Feb 25, 2018
Prices (MSRP)
6GB/64GB - $840

Design

Dimensions
6.22 x 2.91 x 0.33 inches 158.1 x 73.8 x 8.5 mm	6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm
Weight
6.67 oz / 189.0 g	6.98 oz / 198.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	2D Face unlock, 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, Polaris blue	Carbon gray, Sunset purple, Ocean green

Display

Size
6.2-inch, 83.68% screen-to-body	6.5-inch, 83.27% screen-to-body
Type
Super AMOLED, HDR	IPS LCD
Resolution
2960x1440px, 18.5:9 ratio, 531 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 3
Features
	Oleophobic coating

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	1.5 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 845 SDM845 (10 nm)	MediaTek Helio G80 (12 nm)
Processor
Octa-core Kryo 385	Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55
GPU
Adreno 630	Mali G52 MC2
Memory
6GB (LPDDR4)/64GB 6GB/128GB 6GB/256GB	3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB
Storage expansion
microSDXC up to 400 GB	microSDXC
OS
Android (10, 9.0 Pie, 8.0 Oreo)	Android

Battery

Type
3500 mAh, Li - Ion	5020 mAh
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging	Qualcomm Quick Charge 3.0
Charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	13 MP (PDAF) Aperture size: F2.2
Second camera
12 MP (Telephoto, OIS, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.6" Pixel size: 1 μm	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
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing	1080p
Front
8 MP (Autofocus, HDR) Video capture: QHD (30 fps)	8 MP (HDR) Video capture: 1080p

Connectivity & Features

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

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 39, 40, 41, 46	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
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
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jan 11, 2018 FCC ID value: A3LSMG965U
Measured SAR
Head: 0.36 W/kg Body: 0.79 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.04 W/kg Phablet: 3.94 W/kg

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: A3LSMG965F
Measured SAR	Head: 0.23 W/kg Body: 0.58 W/kg Simultaneous Transmission: 1.46 W/kg Wireless Router: 1.05 W/kg Phablet: 3.68 W/kg

with 64GB storage

Memory	4GB/64GB

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

Memory	256GB
Prices (MSRP)	$940

with 128 GB storage

Memory	128GB
Prices (MSRP)	$890

Discover more

Full Specs Samsung Galaxy S9+ Specs PA Review Samsung Galaxy S9+ Review

Full Specs Xiaomi Redmi 9 Specs PA Review Xiaomi Redmi 9 Review