Samsung Galaxy A8 (2018) vs Samsung Galaxy M21 2021: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A8 (2018) vs Samsung Galaxy M21 2021. The complete information of specifications to decide which to buy.

Compare
Technical data sheets

Basics

Score

Ki Price/Quality
Score
7.3 Ki Price/Quality
Score
8.0 Ki Price/Quality
Score
Design and Screen score 6.3 Design & Materials 6.5 Design & Materials
Performance and Hardware score 5.7 Performance & Hardware 6.6 Performance & Hardware
Camera score 5.4 Camera 7.1 Camera
Connectivity score 7.7 Connectivity 6.1 Connectivity
Battery score 3.9 Battery 8.8 Battery

User reviews

User score
8.3
51 reviews
--

Technical specifications of the Samsung Galaxy A8 (2018) vs Samsung Galaxy M21 2021

Specs Samsung Galaxy A8 (2018) price comparison Samsung Galaxy A8 (2018)
Global · 3GB · 32GB
stores to buy Samsung Galaxy M21 2021 Samsung Galaxy M21 2021
India · 4GB · 64GB
Inches 5.6" 6.4"
Resolution FHD+ FHD+
Usable surface 75% useful 84% useful
Aspect Ratio 18:9 19.5:9
Dimensions 70.6 mm
149.2 mm
8.4 mm
75.1 mm
159.0 mm
8.9 mm
Weight 172 g 188 g
Micro Exynos 7885
Octa-Core
Exynos 9611
Octa-Core
RAM 3 GB RAM 4 GB RAM
Storage 32 GB 64 GB
AnTuTu 116.643
v7
186.282
v8
Battery 3000 mAh 6000 mAh
Main Camera 1
16 Mpx · ƒ/1.7

2
1
48 Mpx · ƒ/2.0
S5KGM2
2 3
Selfie Camera SELF 16 Mpx · ƒ/1.9 SELF 20 Mpx · ƒ/2.2
Bands
OS Android 9.0 P Android 11 Red Velvet Cake

Brand

Brand Samsung Samsung
Aliases A530FD, SM-A530F --

Release Date

Release date January 2018,
3 years ago
July 2021,
3 months ago
State On Sale Presell
Market Global India

Design & Materials

Structure

Samsung Galaxy A8 (2018)
Samsung Galaxy M21 2021
Samsung Galaxy A8 (2018)
Samsung Galaxy M21 2021
Size
70.6 mm
149.2 mm
8.4 mm
Print 3D Model
75.1 mm
159.0 mm
8.9 mm
Print 3D Model
Weight 172 g 188 g
Usable surface 75 % 84 %
Materials Aluminium alloy Plastic
Resistance IP68 -
Colors
Black

Blue

Gold

Gray
Black

Blue

Screen

Diagonal 5.6" 6.4"
Type Super Amoled Super Amoled
Aspect Ratio 18:9 19.5:9
Resolution FHD+
1080 x 2220 px
FHD+
1080 x 2340 px
Density 441 Pixels per inch 403 Pixels per inch

Others

Others
  • Without Notch
  • Always-On Display
  • Color LED Notifications
  • Scratch resistant
  • Corning Gorilla Glass
  • Capacitive
  • Multi-touch
  • Water Drop Notch
  • Peak brightness - 420 cd/m²
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Frameless
  • Infinity-U display

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.5
--
Do you think it's a nice phone?
8.7
--
Is it comfortable?
8.8
--
Can you see it well in the sunlight?
8.7
--
Number of reviews
51 reviews
--

Performance & Hardware

Processor

Model Samsung Exynos 7 Octa 7885 Samsung Exynos 7 Octa 9611
CPU 2x Cortex-A53 2.2 GHz + 6x Cortex-A53 1.6 GHz 4x Cortex-A73 2.3 GHz + 4x Cortex-A53 1.67 GHz
Type Octa-Core Octa-Core
Manufacturing 14 nm 10 nm
Frequency 2.2 GHz 2.3 GHz
64 Bits Yes Yes

Graphics

GPU ARM Mali-G71 ARM Mali-G72 MP3

RAM

RAM 3 GB 4 GB
Type -- LPDDR4X RAM

Storage

Capacity 32 GB 64 GB
Type -- UFS Storage 2.1
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
  • Barometer
  • Hall
  • Fingerprint
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Geomagnetic

Others

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

User reviews

Does it have good sound?
8.5
--
Does it work smoothly in everyday use?
8.8
--
What's your experience been with demanding games?
8.0
--
Number of reviews
51 reviews
--

Camera

Main

No. of cameras Double rear camera Triple rear camera
1
Camera type

Standard

Standard
Resolution 16 Mpx 48 Mpx
Sensor Unknown Samsung S5KGM2
Type CMOS BSI ISOCELL
Aperture ƒ/ 1.7 ƒ/ 2.0
ISO -- --
Pixel size 1.12 µm 0.80 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- 1/2
2
Camera type


Wide Angle lens
Resolution
--
8 Mpx
Sensor
Unknown
Unknown
Type
--
--
Aperture
ƒ/ --
ƒ/ 2.2
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--
3
Camera type
--

Portrait mode (depth)
Resolution
5 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ 2.2
Pixel size
--
Pixel Binning
--
Sensor size
--

Features

Flash LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps
Yes,
240 fps
Others
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Dual front camera
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 4K Video
  • Digital zoom
  • Triple camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 16 Mpx 20 Mpx
Sensor Unknown Unknown
Type -- CMOS
Aperture ƒ/ 1.9 ƒ/ 2.2
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score
79
Mobile
82
Photo
74
Video
--

User reviews

Quality of daytime photos
8.7
--
Quality of nighttime photos
7.4
--
Quality of selfies
8.6
--
Does it have a powerful flash?
8.3
--
Number of reviews
51 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)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • 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)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
No official network bands

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
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth

Version Bluetooth 5.0 Bluetooth 5.0
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)
  • 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

Navigation

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

0.241 W/Kg on head
1.250 W/Kg on body
--
American measurement

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

0.260 W/Kg on head
0.760 W/Kg on body
--

Others

Others
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • ANT+
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • No official network bands

User reviews

Does it have good coverage for calls?
8.8
--
Quality of the GPS
8.6
--
And the WiFi?
8.7
--
Number of reviews
51 reviews
--

Battery

Battery

Capacity
3000 mAh
6000 mAh
Type Li-Polymer Li-Polymer
Fast charge Yes Yes,
15.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 6%
    Less than half day
  • 24%
    Less than a day
  • 38%
    One day
  • 26%
    More than one day
  • 6%
    Two days or more
--
Number of reviews
51 reviews
--

Software

Software

Operating System
  • Android 9.0 Pie
    Android 9.0 P, 3 years ago
  • Android 11
    Android 11 Red Velvet Cake, 1 year ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 2%
    It comes with a clean operating system
  • 82%
    It has preinstalled apps but they don't bother me
  • 16%
    It has preinstalled apps that I can't uninstall
--
Do you regularly receive updates?
  • 2%
    Never
  • 4%
    Once a year
  • 38%
    Every six months
  • 56%
    Every two months or less
--
Number of reviews
51 reviews
--

Prices

Prices

Prices

Prices for the version Global  •  3GB  •  32GB Change

Prices

Prices for the version IN  •  4GB  •  64GB Change