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Samsung Galaxy A50 vs Xiaomi Redmi Note 10S vs Samsung Galaxy A51

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

Comparison mode:

Display

Size:

6.4 inches
6.4 inches
6.5 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
2400 x 1080 pixels, 20:9 ratio, 409 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

Super AMOLED
AMOLED
Super AMOLED

Refresh rate:

60Hz

Screen-to-body:

85.24 %
83.55 %
87.37 %

Peak brightness:

1100 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 9610
MediaTek Helio G95
Samsung Exynos 9611

Processor:

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2050 MHz, Arm Cortex-A55 and Arm Cortex-A76, 64-bit, 12 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Mali-G72 MP3
Arm Mali-G76 MC4
Mali-G72 MP3

RAM:

4GB
6GB LPDDR4
4GB LPDDR4

Internal storage:

128GB, available to use: 107 GB
64GB (UFS 2.2), not expandable
128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (11), MIUI 12.5 UI
Android (11, 10), Samsung One UI

Battery

Capacity:

4000 mAh
5000 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

Samsung Adaptive Fast Charging
Fast charging
Fast charging

Max charge speed:

Wired: 33.0W

Camera

Rear:

Triple camera
Quad camera
Quad camera

Main camera:

25 MP (PDAF)
64 MP (Autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm
Aperture size: F1.8; Sensor size: 1/1.97”; Pixel size: 0.7 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

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

Specifications:

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

Video recording:

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

Features:

Hyperlapse, EIS
Hyperlapse, EIS

Front:

25 MP
13 MP
32 MP (HDR)

Video capture:

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

Design

Dimensions:

6.24 x 2.93 x 0.30 inches (158.5 x 74.7 x 7.7 mm)
6.32 x 2.93 x 0.33 inches (160.46 x 74.5 x 8.29 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

5.86 oz (166.0 g)
6.31 oz (178.8 g)
6.07 oz (172.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Plastic

Resistance:

Splash; IP53

Biometrics:

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

Keys:

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

Colors:

Black, Coral, Blue, White
Onyx Gray, Pebble White, Lake Green
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
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), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

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

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 12/13 (600/150 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
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker, Multiple speakers
Earpiece, Loudspeaker

Features:

Dolby Atmos
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
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
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging
Charging
Charging, OTG

Location:

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

Sensors:

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

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Feb 11, 2019
Mar 28, 2021
Nov 28, 2019

FCC ID value:

A3LSMA505F
2AFZZK7BG
A3LSMA515FN

Measured SAR:

Head:

0.34 W/kg
1.07 W/kg
0.89 W/kg

Body:

0.45 W/kg
0.81 W/kg
1.18 W/kg

Simultaneous Transmission:

1.44 W/kg
1.58 W/kg
1.56 W/kg

Wireless Router:

1.20 W/kg
1.00 W/kg
1.12 W/kg

Phablet:

1.07 W/kg
2.76 W/kg

Buyers information

Price:

$ 350
$ 229
$ 400

User Manual:

This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Feb 25, 2019
Mar 04, 2021
Dec 12, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless