Samsung Galaxy A21 vs Redmi Note 8: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A21 vs Redmi Note 8. The complete information of specifications to decide which to buy.

Compare
Samsung Galaxy A21Samsung Galaxy A21Global · 3GB · 32GB · A215F
Redmi Note 8Redmi Note 8Global · 4GB · 64GB
Technical data sheets

Basics
Samsung Galaxy A21
Samsung Galaxy A21
Global · 3GB · 32GB · A215F
View datasheet
vs
Redmi Note 8
Redmi Note 8
Global · 4GB · 64GB
View datasheet
vs

Score
Ki Cost-effective
Score		 6.3 Ki Cost-effective
Score 		7.4 Ki Cost-effective
Score
Design and Screen score 4.7Design & Materials 5.9Design & Materials
Performance and Hardware score 5.1Performance & Hardware 5.3Performance & Hardware
Camera score 5.2Camera 6.5Camera
Connectivity score 5.9 Connectivity 6.2 Connectivity
Battery score 5.1 Battery 5.2 Battery

User reviews
User score
--
3 reviews
8.5
411 reviews

Technical specifications of the Samsung Galaxy A21 vs Redmi Note 8

Specs Samsung Galaxy A21 price comparison Samsung Galaxy A21
Global · 3GB · 32GB · A215F 		where to buy Redmi Note 8 Redmi Note 8
Global · 4GB · 64GB
Inches 6.5" 6.3"
Resolution HD+ FHD+
Usable surface 82% useful 81% useful
Aspect Ratio 20:9 19.5:9
Dimensions 75.3 mm
163.7 mm
9.0 mm 		75.3 mm
158.3 mm
8.4 mm
Weight 192 g 190 g
Micro Helio P35
Octa-Core 		SnapD. 665
Octa-Core
RAM 3 GB RAM 4 GB RAM
Storage 32 GB 64 GB
AnTuTu 103.115
v8 		170.516
v8
Battery 4000 mAh 4000 mAh
Main Camera 1
16 Mpx · ƒ/2.0

2 3 4 		1
48 Mpx · ƒ/1.79
S5KGM1
2 3 4
Selfie Camera SELF 13 Mpx · ƒ/2.0 SELF 13 Mpx · ƒ/2.0
Bands
OS Android 10 Q Android 11 Red Velvet Cake

Brand
Brand Samsung Xiaomi
Aliases SM-A215F, SM-A215U, SM-A215W Xiaomi Redmi Note8, Gingko, M1908C3JG

Release Date
Release date April 2020,
4 years ago 		August 2019,
4 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy A21
Redmi Note 8
Samsung Galaxy A21
Redmi Note 8
Size
75.3 mm • 163.7 mm • 9.0 mm
See more details
 Print 3D Model
75.3 mm • 158.3 mm • 8.4 mm
See more details
 Print 3D Model
Weight 192 g 190 g
Usable surface 82 % 81 %
Materials Plastic Plastic, Glass, P2i Nano coating
Resistance - -
Colors
Black
Black

White

Blue

Screen
Diagonal 6.5" 6.3"
Type TFT LCD (IPS) LTPS LCD
Aspect Ratio 20:9 19.5:9
Resolution HD+
720 x 1600 px 		FHD+
1080 x 2340 px
Density 270 Pixels per inch 409 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Frameless
  • Water Drop Notch
  • 1500:1 contrast ratio
  • 84% NTSC
  • LED Notifications
  • Scratch resistant
  • Corning Gorilla Glass 5
  • 3D curved glass screen
  • 2.5D curved glass glass
  • Capacitive
  • Multi-touch
  • LTPS (Low Temperature PolySilicon silicon)
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
8.0
Do you think it's a nice phone?
--
9.2
Is it comfortable?
--
8.6
Can you see it well in the sunlight?
--
7.7
Number of reviews
--
411 reviews

Performance & Hardware

Processor
Model MediaTek Helio P35 MT6765 Qualcomm Snapdragon 665
CPU 4x Cortex-A53 2.3 GHz + 4x Cortex-A53 1.8 GHz 4x Kryo 260 2.0 GHz + 4x Kryo 260 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 14 nm 11 nm
64 Bits Yes Yes

Graphics
GPU PowerVR GE8320 Qualcomm Adreno 610

RAM
RAM 3 GB 4 GB
Type LPDDR4X RAM --

Antutu
Score
103.115
Antutu v8
Overall performance better than 48% of devices
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170.516
Antutu v8
Overall performance better than 55% of devices
See more details

Storage
Capacity 32 GB 64 GB
Type eMMC 5.1 Storage eMMC 5.0 Storage
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint Yes, in the back Yes, in the back

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Hall
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope

Audio

Audio
-
-

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

User reviews

Does it have good sound?
--
8.3
Does it work smoothly in everyday use?
--
8.4
What's your experience been with demanding games?
--
7.8
Number of reviews
--
411 reviews

Camera

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

Standard

Standard
Resolution 16 Mpx 48 Mpx
Sensor Unknown Samsung S5KGM1
Type CMOS ISOCELL
Aperture ƒ/ 2.0 ƒ/ 1.79
ISO -- --
Pixel size -- 0.80 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- 1/2"
2
Camera type

Wide Angle lens

Wide Angle lens
Resolution
8 Mpx
8 Mpx
Sensor
Unknown
Omnivision OV8856
Type
--
PureCel
Aperture
ƒ/ --
ƒ/ 2.2
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/4"
3
Camera type

Portrait mode (depth)

Macro lens
Resolution
2 Mpx
2 Mpx
Sensor
Unknown
Omnivision OV02A10
Type
--
CMOS
Aperture
ƒ/ 2.4
ƒ/ 2.4
Pixel size
--
1.75 µm
Pixel Binning
--
--
Sensor size
--
1/2.8"
4
Camera type

Macro lens

Portrait mode (depth)
Resolution
2 Mpx
2 Mpx
Sensor
Unknown
Omnivision OV02A10
Type
--
CMOS
Aperture
ƒ/ 2.4
ƒ/ 2.4
Pixel size
--
1.75 µm
Pixel Binning
--
--
Sensor size
--
1/2.8"

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps 		Yes,
240 fps
Others
  • Digital zoom
  • Quadruple camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 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
  • RAW

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 13 Mpx 13 Mpx
Sensor Unknown Omnivision OV13855
Type -- PureCel
Aperture ƒ/ 2.0 ƒ/ 2.0
Pixel size -- 1.12 µm
Pixel Binning -- --
Sensor size -- 1/2.9"
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
--
8.8
Quality of nighttime photos
--
7.1
Quality of selfies
--
8.0
Does it have a powerful flash?
--
7.4
Number of reviews
--
411 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
3G
  • B1 (2100)
  • B2 (1900)
  • 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
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth
Version Bluetooth 5.0 Bluetooth 4.2 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
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • APT-x

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

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

 0.230 W/Kg on head
1.380 W/Kg on body 		0.191 W/Kg on head
1.034 W/Kg on body
American measurement

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

 -- 0.374 W/Kg on head
0.987 W/Kg on body

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

User reviews

Does it have good coverage for calls?
--
8.8
Quality of the GPS
--
8.6
And the WiFi?
--
8.3
Number of reviews
--
411 reviews

Battery

Battery
Capacity
4000 mAh
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4000 mAh
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Type Li-Polymer Li-Polymer
Fast charge Yes,
15.0W 		Yes
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
  • 2%
    Less than half day
  • 12%
    Less than a day
  • 39%
    One day
  • 43%
    More than one day
  • 4%
    Two days or more
Number of reviews
--
411 reviews

Software

Software
Operating System
  • Android 10
    Android 10 Q, 4 years ago
  • MIUI V12 (Android 11)
    Android 11 Red Velvet Cake, 3 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
--
  • 8%
    It comes with a clean operating system
  • 80%
    It has preinstalled apps but they don't bother me
  • 12%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
  • 6%
    Never
  • 8%
    Once a year
  • 42%
    Every six months
  • 43%
    Every two months or less
Number of reviews
--
411 reviews
Prices
From $ 267 --
From $ 169 --

Others

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