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Xiaomi Redmi 9 vs Samsung Galaxy S10 vs Samsung Galaxy S8

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.5 inches
6.1 inches
5.8 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 395 PPI
3040 x 1440 pixels, 19:9 ratio, 550 PPI
2960 x 1440 pixels, 18.5:9 ratio, 570 PPI

Technology:

IPS LCD
Dynamic AMOLED
Super AMOLED

Screen-to-body:

83.27 %
88.66 %
84.26 %

Features:

Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio G80
Qualcomm Snapdragon 855
Qualcomm Snapdragon 835 MSM8998

Processor:

Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm

GPU:

Mali G52 MC2
Adreno 640
Adreno 540

RAM:

3GB LPDDR4
8GB LPDDR4
4GB LPDDR4

Internal storage:

32GB (eMMC 5.1)
128GB
64GB

Storage expansion:

microSDXC
microSDXC up to 512 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android
Android (11, 10, 9.0 Pie), Samsung One UI
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

Battery

Capacity:

5020 mAh
3400 mAh
3000 mAh

Type:

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

Battery life test results:

Charging:

Qualcomm Quick Charge 3.0
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging

Max charge speed:

Wired: 18.0W

Camera

Rear:

Quad camera
Triple camera
Single camera

Main camera:

13 MP (PDAF)
12 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP (Ultra-wide)
12 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2
Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm

Third camera:

5 MP (Macro)
16 MP (Ultra-wide)

Specifications:

Aperture size: F2.4
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm

Fourth camera:

2 MP (Depth information)

Video recording:

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

Features:

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

Front:

8 MP (HDR)
10 MP (Autofocus, HDR)
8 MP (Wide Angle, Autofocus, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD)
2560x1440 (QHD)

Design

Dimensions:

6.43 x 3.03 x 0.36 inches (163.32 x 77.01 x 9.1 mm)
5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)
5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)

Weight:

6.98 oz (198.0 g)
5.54 oz (157.0 g)
5.47 oz (155.0 g)

Materials:

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

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Carbon gray, Sunset purple, Ocean green
Prism blue, Prism black, Prism white, Prism green, Flamingo pink
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 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), 71(600)
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), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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
Nano SIM

HD Voice:

Yes
Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos, aptX-HD
32-Bit DAC, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
DLNA, Wireless screen share, MHL

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
5.0
5.0, EDR

Wi-Fi:

802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1

Features:

Charging
Charging, OTG, Video out
Charging, Video out, Mass storage device

Location:

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
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
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

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

Hearing aid compatible:

M4, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Feb 01, 2019
Apr 06, 2017

FCC ID value:

A3LSMG973U
A3LSMG950U

Measured SAR:

Head:

0.39 W/kg
0.49 W/kg

Body:

1.37 W/kg
0.48 W/kg

Simultaneous Transmission:

1.59 W/kg
1.53 W/kg

Wireless Router:

1.35 W/kg
0.46 W/kg

Phablet:

3.99 W/kg

Buyers information

Price:

$ 900

In The Box:

10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide
Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film

Availability

Officially announced:

Feb 20, 2019
Mar 29, 2017
FCC OKs Cingular\'s purchase of AT&T Wireless