Samsung Galaxy S8 vs Xiaomi Redmi Note 9S

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$329 VIEW ON amazon
$227 VIEW ON amazon

Display

Size

5.8 inches
6.7 inches

Resolution

2960 x 1440 pixels, 18.5:9 ratio,
570 PPI
2400 x 1080 pixels, 20:9 ratio,
395 PPI

Technology

Super AMOLED
IPS LCD

Screen-to-body

84.26 %
84.42 %

Features

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

Hardware

System chip

Qualcomm Snapdragon 835 MSM8998
Qualcomm Snapdragon 720G SM7125

Processor

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm

GPU

Adreno 540
Adreno 618

RAM

4GB LPDDR4
4GB LPDDR4

Internal storage

64GB
64GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (10)

Battery

Capacity

3000 mAh
5020 mAh

Type

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

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging

Camera

Rear

Single camera
Quad camera

Main camera

12 MP (OIS, PDAF)
48 MP (PDAF)

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Pixel size: 1.12 μm

Third camera

 
5 MP (Macro, Autofocus)

Specifications

 
Aperture size: F2.4; Pixel size: 1.12 μm

Fourth camera

 
2 MP (Depth information)

Specifications

 
Aperture size: F2.4; Pixel size: 1.75 μm

Video recording

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)

Features

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
 

Front

8 MP (Wide Angle, Autofocus, HDR)
16 MP (HDR, Slow-motion videos)

Design

Dimensions

5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)
6.53 x 3.02 x 0.35 inches (165.75 x 76.68 x 8.8 mm)

Weight

5.47 oz (155.0 g)
the average is 6.3 oz (179 g)
7.37 oz (209.0 g)
the average is 6.3 oz (179 g)

Materials

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

Resistance

Water, Dust; IP 68
 

Biometrics

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

Keys

Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red
Interstellar grey, Aurora blue, Glacier white

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 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)
 

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300)

UMTS

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

Data Speed

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

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

32-Bit DAC, aptX-HD
 

Screen mirroring

DLNA, Wireless screen share, MHL
Wireless screen share

Additional microphone(s)

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth

5.0, EDR
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; Wi-Fi Direct, Hotspot

USB

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

Features

Charging, Video out, Mass storage device
Charging

Location

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

Sensors

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

Other

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
Infrared

Hearing aid compatible

M3, T3
 

Regulatory Approval

FCC approval

 
 

Date approved

Apr 06, 2017
 

FCC ID value: A3LSMG950U link
 

Measured SAR

 
 

Head

0.49 W/kg
 

Body

0.48 W/kg
 

Simultaneous Transmission

1.53 W/kg
 

Wireless Router

0.46 W/kg
 

Buyers information

Price

 
$ 249

In The Box

 
22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced

Mar 29, 2017
Mar 23, 2020
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