Xiaomi Redmi Note 8T vs Samsung Galaxy A51

Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.

from $185
from $400

Display

Size

6.3 inches
6.5 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
409 PPI
2400 x 1080 pixels, 20:9 ratio,
405 PPI

Technology

IPS LCD
Super AMOLED

Screen-to-body

80.20 %
87.37 %

Features

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 665 SM6125
Samsung Exynos 9611

Processor

Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Adreno 610
Mali-G72 MP3

RAM

3GB
4GB LPDDR4

Internal storage

32GB
128GB, available to use: 105.9 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

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

Battery

Capacity

4000 mAh
4000 mAh

Type

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

Battery life test results

 

Charging

Fast charging
Fast charging

Camera

Rear

Quad camera
Quad camera

Main camera

48 MP (PDAF)
48 MP (PDAF)

Specifications

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

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

Specifications

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera

2 MP (Depth information)
5 MP (Macro)

Specifications

Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera

2 MP (Macro)
5 MP (Depth information)

Specifications

Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features

EIS
Hyperlapse, EIS

Front

13 MP
32 MP (HDR)

Design

Dimensions

6.34 x 2.97 x 0.34 inches (161.15 x 75.4 x 8.6 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight

7.05 oz (199.8 g)
the average is 6.3 oz (179 g)
6.07 oz (172.0 g)
the average is 6.3 oz (179 g)

Materials

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

Resistance

Splash
 

Biometrics

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

Keys

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

Colors

Moonlight white, Neptune blue, Space black
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD)

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

UMTS

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

SIM type

Nano SIM
Nano SIM

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

 
Dolby Atmos

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Additional microphone(s)

 
for Noise cancellation

Connectivity & Features

Bluetooth

4.2
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), USB 2.0
Type-C (reversible), USB 2.0

Features

Charging, OTG
Charging, OTG

Location

GPS, A-GPS, Glonass, 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)

Other

NFC, Infrared
NFC, ANT+

Regulatory Approval

FCC approval

 
 

Date approved

 
Nov 28, 2019

 
FCC ID value: A3LSMA515FN link

Measured SAR

 
 

Head

 
0.89 W/kg

Body

 
1.18 W/kg

Simultaneous Transmission

 
1.56 W/kg

Wireless Router

 
1.12 W/kg

Phablet

 
2.76 W/kg

Buyers information

Price

 
$ 400

In The Box

Power adapter, USB Type-C cable, Removal tool for SIM card, User guide, Warranty card
Download the Samsu​ng Galaxy A51 Manual as a PDF file.

Availability

Officially announced

 
Dec 12, 2019
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
FCC OKs Cingular's purchase of AT&T Wireless