Samsung Galaxy Note 9 vs Xiaomi Mi Mix Alpha

$949.96 VIEW ON AMAZON

Display

Display size

6.4 inches
7.9 inches

Resolution

1440 x 2960 pixels
2088 x 2250 pixels

Pixel density

516 ppi
388 ppi

Technology

Super AMOLED
OLED

Screen-to-body ratio

83.51 %
180.49 %

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Camera

Rear

Dual camera
Triple camera, Doubles as a selfie camera

Main camera

12 megapixels
108 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Sapphire crystal lens cover, Optical image stabilization, Laser and Phase detection autofocus

Specifications

Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7; Sensor size: 1/1.33"; Pixel size: 0.8 μm

Second camera

12 megapixels
12 megapixels

Hardware Features

Telephoto, Optical image stabilization, Autofocus
Sapphire crystal lens cover, Laser and Phase detection autofocus

Specifications

Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.4"; Pixel size: 1 μm
Optical zoom: 2x; Aperture size: F2.0; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Third camera

 
20 megapixels

Hardware Features

 
Ultra-wide, Sapphire crystal lens cover, Laser autofocus

Specifications

 
Aperture size: F2.2; Sensor size: 1/2.8"; Pixel size: 1 μm

Video recording

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD), 1920x1080 (Full HD)

Features

Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Digital image stabilization
 

Front

8 megapixels
 

Features

Wide Angle, Autofocus
 

Design

Dimensions

6.37 x 3.01 x 0.35 inches (161.9 x 76.4 x 8.8 mm)
6.08 x 2.85 x 0.41 inches (154.38 x 72.3 x 10.4 mm)

Weight

7.09 oz (201 g)
the average is 6.1 oz (174 g)
8.50 oz (241 g)
the average is 6.1 oz (174 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Frame: Titanium

Resistance

Water, Dust; IP 68
 

Biometrics

Iris scanner, 2D Face unlock, Fingerprint (touch)
In-screen fingerprint

Features

Notification light, Stylus
 

Colors

Midnight black, Ocean blue, Cloud silver, Lavender purple
Black

Multimedia

Headphones

3.5 mm jack
 

Speakers

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features

32-Bit DAC, Dolby Atmos
aptX-HD

Screen mirroring

Wireless screen share
DLNA, Wireless screen share

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 845 SDM845
Qualcomm Snapdragon 855+ SM8150-AC

Processor

Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2960 MHz, Kryo 485, 64-bit, 7 nm

GPU

Adreno 630
Adreno 640

RAM

6 GB
12 GB

Internal storage

128 GB
512 GB

Storage expansion

microSDXC up to 512 GB
 

OS

Android (9.0 Pie, 8.1 Oreo), Samsung One UI
Android (10)

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

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

USB Type-C (reversible), USB 3.1
USB Type-C (reversible)

Features

USB OTG, Video out
 

Location

GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Thermometer, Humidity

Mobile Payment

Samsung Pay
 

Other

NFC, ANT+
 

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
 

LTE (TDD)

Bands 38, 39, 40, 41, 46
 

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
 

Data

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
 

Battery

Capacity

4000 mAh
4050 mAh

Type

Li - Ion, Not user replaceable
Li - Ion, Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Fast charging

Talk time

38.00 hours
the average is 20 h (1174 min)
 

Stand-by time

12.0 days (288 hours)
the average is 20 days (491 h)
 

Talk time (3G)

29.00 hours
the average is 23 h (1387 min)
 

Internet use

3G: 14 hours; LTE: 16 hours; Wi-Fi: 17 hours
 

Music playback

95.00 hours
 

Video playback

21.00 hours
 

Regulatory Approval

FCC approval

 
 

Date approved

Jul 03, 2018
 

FCC ID value: A3LSMN960U link
 

Measured SAR

 
 

Head

0.27 W/kg
 

Body

0.76 W/kg
 

Simultaneous Transmission

1.59 W/kg
 

Wireless Router

1.35 W/kg
 

Phablet

3.90 W/kg
 

Shopping information

In The Box

S Pen, USB Cable, Earphones, SIM removal tool, USB power adaptor, USB connector, Pen, nibs, Tweezer, Clear cover case, Quick start guide, USB connector leaflet.
 

MSRP price

$ 1000
 
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