Samsung Galaxy S9 vs Xiaomi Mi 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	8.7
Samsung Galaxy S9	Xiaomi Mi 9
Released · Mar 16, 2018	Released · Mar 06, 2019
5.8-inch · 2960x1440px	6.4-inch · 2340x1080px
Single camera	Triple camera
4GB · 64GB	6GB · 128GB
3000 mAh	3300 mAh
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Design

Dimensions
5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm	6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm
Weight
5.75 oz (163.0 g)	6.10 oz (173.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Back: Glass (Corning Gorilla Glass 5) Frame: Metal
Resistance
Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Features
Notification light
Keys
Left: Volume control, Other; Right: Lock/Unlock key
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue	Black, Purple, Blue

Display

Size
5.8-inch	6.4-inch
Resolution
2960x1440px, 18.5:9 ratio, 568 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Technology
Super AMOLED	AMOLED
Screen-to-body
84.36 %	85.23 %
Peak brightness
	600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 855 (7 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2840 MHz Kryo 485
GPU
Adreno 630	Adreno 640
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB	128GB
Storage expansion
microSDXC up to 400 GB	not expandable
OS
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI	Android (9.0 Pie), Xiaomi MI UI

Battery

Capacity
3000 mAh	3300 mAh
Type
Li - Ion
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging	Qualcomm Quick Charge 4+, Qi wireless charging

Camera

Rear
Single camera	Triple 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 (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	12 MP (Telephoto, Sapphire crystal lens cover, PDAF) Optical zoom: 2.0x Aperture size: F2.2 Focal Length: 50 mm Sensor size: 1/3.4" Pixel size: 1 μm
Third camera
	16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF) Aperture size: F2.2 Focal Length: 17 mm Sensor size: 1/3" Pixel size: 1 μm
Flash
LED	Dual 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	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps)	20 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 MIMO, 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
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, aptX-HD	aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
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), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46	Bands 38(2600), 39(1900+), 40(2300)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE-A, HSPA, HSUPA
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Phone Features

Notifications
	Haptic feedback, Music ringtones, Vibration
Other features
	Voice dialing, Voice commands, Voice recording

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
	Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation

Availability

Officially announced
Feb 25, 2018	Feb 20, 2019

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 64 GB storage


Internal storage	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

Explorer Edition


RAM	12GB
Internal storage	256GB

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