Samsung Galaxy A51 vs Xiaomi Redmi Note 11: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A51 vs Xiaomi Redmi Note 11. The complete information of specifications to decide which to buy.

Compare
Samsung Galaxy A51Samsung Galaxy A51Global · 4GB · 128GB · A515F
Xiaomi Redmi Note 11Xiaomi Redmi Note 11Global · 4GB · 64GB · NFC
Technical data sheets

Basics
Samsung Galaxy A51
Samsung Galaxy A51
Global · 4GB · 128GB · A515F
View datasheet
vs
Xiaomi Redmi Note 11
Xiaomi Redmi Note 11
Global · 4GB · 64GB · NFC
View datasheet
vs

Score
Ki Cost-effective
Score		 7.7 Ki Cost-effective
Score 		7.6 Ki Cost-effective
Score
Design and Screen score 6.8Design & Materials 6.8Design & Materials
Performance and Hardware score 5.7Performance & Hardware 6.2Performance & Hardware
Camera score 6.9Camera 6.1Camera
Connectivity score 7.3 Connectivity 7.1 Connectivity
Battery score 5.2 Battery 7.8 Battery

User reviews
User score
7.4
109 reviews
7.6
98 reviews

Technical specifications of the Samsung Galaxy A51 vs Xiaomi Redmi Note 11

Specs Samsung Galaxy A51 prices Samsung Galaxy A51
Global · 4GB · 128GB · A515F 		Xiaomi Redmi Note 11 price comparison Xiaomi Redmi Note 11
Global · 4GB · 64GB · NFC
Inches 6.5" 6.43"
Resolution FHD+ FHD+
Usable surface 88% useful 84% useful
Aspect Ratio 19.5:9 20:9
Dimensions 73.6 mm
158.5 mm
7.9 mm 		73.9 mm
159.9 mm
8.1 mm
Weight 172 g 179 g
Micro Exynos 9611
Octa-Core 		SnapD. 680
Octa-Core
RAM 4 GB RAM 4 GB RAM
Storage 128 GB 64 GB
AnTuTu 179.753
v8 		248.639
v9
Battery 4000 mAh 5000 mAh
Main Camera 1
48 Mpx · ƒ/2.0
IMX582 Exmor RS
2 3 4 		1
50 Mpx · ƒ/1.8
S5KJN1
2 3 4
Selfie Camera SELF 32 Mpx · ƒ/2.2 SELF 13 Mpx · ƒ/2.4
Bands
OS Android 13 Tiramisu Android 11 Red Velvet Cake

Brand
Brand Samsung Xiaomi
Aliases SM-A515F 2201117TG, Spesn

Release Date
Release date December 2019,
4 years ago 		October 2021,
2 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy A51
Xiaomi Redmi Note 11
Samsung Galaxy A51
Xiaomi Redmi Note 11
Size
73.6 mm • 158.5 mm • 7.9 mm
See more details
 Print 3D Model
73.9 mm • 159.9 mm • 8.1 mm
See more details
 Print 3D Model
Weight 172 g 179 g
Usable surface 88 % 84 %
Materials Plastic Plastic
Resistance - IP53
Colors
Black

White

Blue

Pink
Black

Blue

Cyan

Screen
Diagonal 6.5" 6.43"
Type Super AMOLED AMOLED
Aspect Ratio 19.5:9 20:9
Resolution FHD+
1080 x 2340 px 		FHD+
1080 x 2400 px
Density 396 Pixels per inch 409 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Frameless
  • Hole-punch Notch
  • Refresh rate 90 Hz
  • Peak brightness - 1000 cd/m²
  • Max brightness HBM - 700 cd/m²
  • 4500000:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • DCI-P3
  • Scratch resistant
  • Corning Gorilla Glass 3
  • 2.5D glass screen
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
6.7
7.6
Do you think it's a nice phone?
8.2
8.4
Is it comfortable?
8.3
8.6
Can you see it well in the sunlight?
7.7
8.1
Number of reviews
109 reviews
98 reviews

Performance & Hardware

Processor
Model Samsung Exynos 7 Octa 9611 Qualcomm Snapdragon 680 (SM6225)
CPU 4x Cortex-A73 2.3 GHz + 4x Cortex-A53 1.67 GHz 4x2.4 GHz Kryo 265 Gold + 4x1.9GHz Kryo 265 Silver
Type Octa-Core Octa-Core
Manufacturing 10 nm 6 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-G72 MP3 Adreno 610

RAM
RAM 4 GB 4 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu
Score
179.753
Antutu v8
Overall performance better than 56% of devices
See more details
248.639
Antutu v9
Overall performance better than 62% of devices
See more details

Storage
Capacity 128 GB 64 GB
Type -- UFS Storage 2.2
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint Yes, in screen Yes, on the side

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Ultrasonic proximity virtual

Audio

Audio
-
  • Stereo Speakers

Others
Notifications LED -- --
Cooling system No Yes
Gaming buttons No No

User reviews

Does it have good sound?
7.3
8.5
Does it work smoothly in everyday use?
6.8
7.5
What's your experience been with demanding games?
5.7
6.0
Number of reviews
109 reviews
98 reviews

Camera

Main
No. of cameras Quad rear camera Quad rear camera
1
Camera type

Standard

Standard
Resolution 48 Mpx 50 Mpx
Sensor Sony IMX582 Exmor RS Samsung S5KJN1
Type CMOS ISOCELL
Aperture ƒ/ 2.0 ƒ/ 1.8
ISO -- --
Pixel size 0.80 µm 0.64 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/2" 1/2.76"
2
Camera type

Wide Angle lens

Wide Angle lens
Resolution
12 Mpx
8 Mpx
Sensor
Unknown
GalaxyCore GC08A3
Type
--
CMOS
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.12 µm
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/4"
3
Camera type

Portrait mode (depth)

Portrait mode (depth)
Resolution
5 Mpx
2 Mpx
Sensor
Unknown
Omnivision OV02B1B
Type
--
CMOS
Aperture
ƒ/ 2.2
ƒ/ 2.4
Pixel size
1.12 µm
1.75 µm
Pixel Binning
--
--
Sensor size
--
1/5"
4
Camera type

Macro lens

Macro lens
Resolution
5 Mpx
2 Mpx
Sensor
Unknown
GalaxyCore GC02M1
Type
--
CMOS
Aperture
ƒ/ 2.4
ƒ/ 2.4
Pixel size
1.12 µm
1.75 µm
Pixel Binning
--
--
Sensor size
--
1/5"

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video Yes,
120 fps 		Yes,
120 fps
Others
  • 4K Video
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Night Mode

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 32 Mpx 13 Mpx
Sensor Sony IMX616 Samsung S5K3L6
Type CMOS ISOCELL
Aperture ƒ/ 2.2 ƒ/ 2.4
Pixel size 0.80 µm 1.12 µm
Pixel Binning 1-4 (2x2) --
Sensor size 1/2.8" 1/3.1"
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
8.3
7.2
Quality of nighttime photos
6.5
5.2
Quality of selfies
7.9
6.5
Does it have a powerful flash?
8.0
7.6
Number of reviews
109 reviews
98 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B20 (800)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B32 (1500)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO

Bluetooth
Version Bluetooth 5.0 Bluetooth 5.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP
  • ANT+
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • HID (Human Interface Profile)
  • LE (Low Energy)

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- --
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • ANT+
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • VoLTE

User reviews

Does it have good coverage for calls?
8.3
8.3
Quality of the GPS
8.5
8.0
And the WiFi?
8.3
8.0
Number of reviews
109 reviews
98 reviews

Battery

Battery
Capacity
4000 mAh
See more details
5000 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes,
15.0W 		Yes,
33.0W
Others
  • Non-removable
  • Reverse charging
  • Non-removable

User reviews

How long does the battery last?
  • 5%
    Less than half day
  • 30%
    Less than a day
  • 41%
    One day
  • 22%
    More than one day
  • 3%
    Two days or more
  • 0%
    Less than half day
  • 4%
    Less than a day
  • 39%
    One day
  • 45%
    More than one day
  • 13%
    Two days or more
Number of reviews
109 reviews
98 reviews

Software

Software
Operating System
  • Android 13
    Android 13 Tiramisu, 1 year ago
  • MIUI V13 (Android 11)
    Android 11 Red Velvet Cake, 3 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 4%
    It comes with a clean operating system
  • 70%
    It has preinstalled apps but they don't bother me
  • 26%
    It has preinstalled apps that I can't uninstall
  • 2%
    It comes with a clean operating system
  • 78%
    It has preinstalled apps but they don't bother me
  • 20%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 2%
    Never
  • 6%
    Once a year
  • 49%
    Every six months
  • 43%
    Every two months or less
  • 4%
    Never
  • 7%
    Once a year
  • 55%
    Every six months
  • 35%
    Every two months or less
Number of reviews
109 reviews
98 reviews
Prices
From $ 157 --
From $ 127 --

Others

Common comparisons