Xiaomi Mi 9 vs Samsung Galaxy S9 Specs Comparison

Availability

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

Design

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

Display

Size
6.4-inch, 85.23% screen-to-body	5.8-inch, 84.36% screen-to-body
Type
AMOLED, HDR, 600 nits	Super AMOLED, HDR
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2960x1440px, 18.5:9 ratio, 568 PPI
Protection
Corning Gorilla Glass 6	Corning Gorilla Glass 5
Features
HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

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

Battery

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

Camera

Rear
Triple camera	Single camera
Main camera
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	12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 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
Dual LED	LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing	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
Front
20 MP (HDR) Video capture: 1080p	8 MP (Autofocus, HDR) Video capture: QHD (30 fps)

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 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Discover more

Full Specs Xiaomi Mi 9 Specs PA Review Xiaomi Mi 9 Review

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

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
aptX-HD	32-Bit DAC, 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, 17, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40	38, 39, 40, 41, 46
3G Bands
5, 8, 4, 2, 1	5, 8, 4, 2, 1
Data Speed
LTE-A, HSPA, HSUPA	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

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

with 64 GB storage

Memory	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

Explorer Edition

Memory	12GB/256GB

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)	$820

with 128 GB storage

Memory	128GB
Prices (MSRP)	$770