Samsung Galaxy S9 vs Xiaomi Mi 9 Specs Comparison

Availability

Officially announced
Feb 25, 2018	Feb 20, 2019
Prices (MSRP)
$720

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, 84.36% screen-to-body	6.4-inch, 85.23% screen-to-body
Type
Super AMOLED, HDR	AMOLED, HDR, 600 nits
Resolution
2960x1440px, 18.5:9 ratio, 568 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 6
Features
	HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Snapdragon 845 SDM845 (10 nm)	Snapdragon 855 (7 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2840 MHz Kryo 485
GPU
Adreno 630	Adreno 640
Memory
4GB (LPDDR4)/64GB 4GB/128GB 4GB/256GB	6GB (LPDDR4)/128GB 6GB/64GB 12GB/256GB
Storage expansion
microSDXC up to 400 GB	not expandable
OS
Android (10, 9.0 Pie, 8.0 Oreo)	Android (9.0 Pie)

Battery

Type
3000 mAh, Li - Ion	3300 mAh
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
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing	4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
8 MP (Autofocus, HDR) Video capture: QHD (30 fps)	20 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	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
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, Galileo, BeiDou
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, 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, 12, 17, 20, 28
4G (TDD) Bands
38, 39, 40, 41, 46	38, 39, 40
3G Bands
5, 8, 4, 2, 1	5, 8, 4, 2, 1
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

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

Memory	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

Memory	12GB/256GB

with 256 GB storage

Memory	256GB
Prices (MSRP)	$820

with 128 GB storage

Memory	128GB
Prices (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