Samsung Galaxy S9+ vs Xiaomi Mi 8

$369.40 VIEW ON AMAZON

Display

Display size

6.2 inches
6.2 inches

Resolution

1440 x 2960 pixels
1080 x 2248 pixels

Pixel density

531 ppi
402 ppi

Technology

Super AMOLED
AMOLED

Screen-to-body ratio

83.68 %
83.66 %

Peak brightness

 
600 cd/m2 (nit)

Features

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

Camera

Rear

Dual camera
Dual camera

Main camera

12 megapixels
12 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Optical image stabilization, 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: F1.8; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera

12 megapixels
12 megapixels

Hardware Features

Telephoto, Optical image stabilization, Autofocus
Telephoto, Autofocus

Specifications

Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Optical zoom: 2x; Aperture size: F2.4; Focal Length: 56 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features

High Dynamic Range mode (HDR), Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Digital image stabilization, Video calling, Video sharing
Video calling, Video sharing

Front

8 megapixels
20 megapixels

Features

Autofocus, High Dynamic Range mode (HDR)
High Dynamic Range mode (HDR)

Design

Dimensions

6.22 x 2.91 x 0.33 inches (158.1 x 73.8 x 8.5 mm)
6.10 x 2.94 x 0.30 inches (154.9 x 74.8 x 7.6 mm)

Weight

6.67 oz (189 g)
the average is 6 oz (172 g)
6.17 oz (175 g)
the average is 6 oz (172 g)

Materials

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

Resistance

Water, Dust
 

IP certified

IP 68
 

Biometrics

Iris scanner, 2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Colors

Black, Gold, Gray, Purple, Blue, Red
Black, Gold, Blue, White

Hardware & Performance

System chip

Qualcomm Snapdragon 845 SDM845
Qualcomm Snapdragon 845 SDM845

Processor

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

GPU

Adreno 630
Adreno 630

RAM

6 GB
6 GB

Internal storage

256 GB
256 GB

Storage expansion

up to 400 GB
 

OS

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie, 8.0 Oreo)

Battery

Capacity

3500 mAh
3400 mAh

Charging

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Qualcomm Quick Charge 4+

Talk time

35.00 hours
the average is 22 h (1342 min)
 

Stand-by time

14.2 days (342 hours)
the average is 20 days (480 h)
 

Internet use

 
 

3G

13 hours
 

LTE

15 hours
 

Wi-Fi

15 hours
 

Music playback

102.00 hours
 

Video playback

20.00 hours
 

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
Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20

LTE (TDD)

Bands 38, 39, 40, 41, 46
Bands 34, 38, 39, 40, 41

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

CDMA

800, 1900 MHz
800 MHz

Data

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

VoLTE

 
Yes

Connectivity

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band

USB

USB 3.1
Yes

Connector

USB Type-C (reversible)
USB Type-C (reversible)

Features

Mass storage device, USB OTG
Mass storage device

Mobile Payment

Samsung Pay
 

Location

GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, BeiDou

Other

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

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

Notifications

Notification light, Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Speakers

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Headphones connector

3.5mm
USB Type-C (reversible)

Additional microphone(s)

 
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

Jan 11, 2018
 

FCC ID value: A3LSMG965U link
 

FCC 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
 

Shopping information

In The Box

 
Mi 8 Protective cover / Power adapter / USB Type-C cable / Type-C to audio converter / SIM insertion tool / User guide

MSRP price

$ 940
 
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