Xiaomi Redmi Note 9S vs Samsung Galaxy M51

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

Display

Size:

6.7 inches
6.7 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 395 PPI
2340 x 1080 pixels, 19.5:9 ratio, 385 PPI

Technology:

IPS LCD
Super AMOLED

Screen-to-body:

84.42 %
88.27 %

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 720G SM7125
Qualcomm Snapdragon 730 SM7150-AA

Processor:

Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 618
Adreno 618

RAM:

4GB LPDDR4
6GB LPDDR4

Internal storage:

64GB
128GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (10)
Android (10), Samsung One UI

Battery

Capacity:

5020 mAh
7000 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging
Fast charging

Max charge speed:

Wired: 25.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

48 MP (PDAF)
64 MP (PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)
12 MP (Ultra-wide)

Specifications:

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

Third camera:

5 MP (Macro, Autofocus)
5 MP (Macro)

Specifications:

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

Fourth camera:

2 MP (Depth information)
5 MP (Depth information)

Specifications:

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

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)

Front:

16 MP (HDR, Slow-motion videos)
32 MP (HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.53 x 3.02 x 0.35 inches (165.75 x 76.68 x 8.8 mm)
6.45 x 3.00 x 0.37 inches (163.9 x 76.3 x 9.5 mm)

Weight:

7.37 oz (209.0 g)

Materials:

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

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Interstellar grey, Aurora blue, Glacier white
Black, White

Cellular

LTE (TDD):

Bands 38(2600), 40(2300)

UMTS:

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

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

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

USB:

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

Features:

Charging
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
Accelerometer, Gyroscope, Compass

Other:

Infrared
NFC

Buyers information

Price:

$ 249
€ 360

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 23, 2020
Aug 31, 2020
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