Samsung Galaxy A21s vs Samsung Galaxy A31: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A21s vs Samsung Galaxy A31. The complete information of specifications to decide which to buy.

Compare
Samsung Galaxy A21sSamsung Galaxy A21sGlobal · 3GB · 32GB · SM-A217FDS
Samsung Galaxy A31Samsung Galaxy A31Global · 4GB · 128GB · SM-A315F
Technical data sheets

Basics
Samsung Galaxy A21s
Samsung Galaxy A21s
Global · 3GB · 32GB · SM-A217FDS
View datasheet
vs
Samsung Galaxy A31
Samsung Galaxy A31
Global · 4GB · 128GB · SM-A315F
View datasheet
vs

Score
Ki Cost-effective
Score		 6.6 Ki Cost-effective
Score 		6.4 Ki Cost-effective
Score
Design and Screen score 5.2Design & Materials 5.7Design & Materials
Performance and Hardware score 5.3Performance & Hardware 5.4Performance & Hardware
Camera score 6.6Camera 5.9Camera
Connectivity score 6.4 Connectivity 6.5 Connectivity
Battery score 6.6 Battery 6.1 Battery

User reviews
User score
7.2
100 reviews
6.8
81 reviews

Technical specifications of the Samsung Galaxy A21s vs Samsung Galaxy A31

Specs Samsung Galaxy A21s prices Samsung Galaxy A21s
Global · 3GB · 32GB · SM-A217FDS 		Samsung Galaxy A31 price compare Samsung Galaxy A31
Global · 4GB · 128GB · SM-A315F
Inches 6.5" 6.4"
Resolution HD+ FHD+
Usable surface 82% useful 84% useful
Aspect Ratio 20:9 20:9
Dimensions 75.3 mm
163.7 mm
8.9 mm 		73.1 mm
159.3 mm
8.6 mm
Weight 192 g 185 g
Micro Exynos 850
Octa-Core 		Helio P65
Octa-Core
RAM 3 GB RAM 4 GB RAM
Storage 32 GB 128 GB
AnTuTu 117.341
v8 		183.200
v8
Battery 5000 mAh 5000 mAh
Main Camera 1
48 Mpx · ƒ/2.0
S5KGM2
2 3 4 		1
48 Mpx · ƒ/2.0

2 3 4
Selfie Camera SELF 13 Mpx · ƒ/2.2 SELF 20 Mpx · ƒ/2.2
Bands
OS Android 10 Q Android 10 Q

Brand
Brand Samsung Samsung
Aliases SM-A217F, SM-A217F/DS SM-A315F

Release Date
Release date May 2020,
6 years ago 		March 2020,
6 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy A21s
Samsung Galaxy A31
Samsung Galaxy A21s
Samsung Galaxy A31
Size
75.3 mm • 163.7 mm • 8.9 mm
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 Print 3D Model
73.1 mm • 159.3 mm • 8.6 mm
See more details
 Print 3D Model
Weight 192 g 185 g
Usable surface 82 % 84 %
Materials Plastic Plastic
Resistance - -
Colors
Black
White
Blue
Black
White
Blue
Red

Screen
Diagonal 6.5" 6.4"
Type LCD IPS Super AMOLED
Aspect Ratio 20:9 20:9
Resolution HD+
720 x 1600 px 		FHD+
1080 x 2400 px
Density 270 Pixels per inch 411 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Water Drop Notch
  • Scratch resistant
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless
  • Infinity-U display

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.4
6.5
Do you think it's a nice phone?
7.7
7.7
Is it comfortable?
7.8
7.7
Can you see it well in the sunlight?
6.0
6.9
Number of reviews
100 reviews
81 reviews

Performance & Hardware

Processor
Model Samsung Exynos 850 MediaTek Helio P65 (MT6768)
CPU 4x Cortex-A55 2.0 GHz + 4x Cortex-A55 2.0 GHz 2x Cortex-A75 2.0 GHz + 6x Cortex-A55 1.5 GHz
Type Octa-Core Octa-Core
Manufacturing 8 nm 12 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-G52 Arm Mali-G52

RAM
RAM 3 GB 4 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu
Score
117.341
Antutu v8
Overall performance better than 53% of devices
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183.200
Antutu v8
Overall performance better than 55% of devices
See more details

Storage
Capacity 32 GB 128 GB
Type eMMC 5.1 Storage eMMC 5.1 Storage
SD Slot Yes ,
Slot for SD or second SIM card 		Yes ,
Independent SD slot

Security
Fingerprint Yes, in the back Yes, in screen

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

Audio

Audio
-
-

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

User reviews

Does it have good sound?
7.3
6.4
Does it work smoothly in everyday use?
7.1
6.9
What's your experience been with demanding games?
5.7
5.5
Number of reviews
100 reviews
81 reviews

Camera

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

Standard

Standard
Resolution 48 Mpx 48 Mpx
Aperture ƒ/ 2.0 ƒ/ 2.0
Optical zoom -- --
View angle -- --
Sensor Samsung S5KGM2 Unknown
Type ISOCELL CMOS
ISO -- --
Pixel size 0.80 µm 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
Aperture
ƒ/ 2.2
ƒ/ 2.2
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Unknown
Type
CMOS
--
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--
3
Camera type

Macro lens

Portrait mode (depth)
Resolution
2 Mpx
5 Mpx
Aperture
ƒ/ 2.4
ƒ/ 2.4
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Unknown
Type
CMOS
--
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--
4
Camera type

Portrait mode (depth)

Macro lens
Resolution
2 Mpx
5 Mpx
Aperture
ƒ/ 2.4
ƒ/ 2.4
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Unknown
Type
CMOS
--
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--

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

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 13 Mpx 20 Mpx
Aperture ƒ/ 2.2 ƒ/ 2.2
Optical zoom -- --
View angle -- --
Sensor Unknown Hynix HI-2021
Type CMOS CMOS
Pixel size 1.12 µm 1.00 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
7.7
7.2
Quality of nighttime photos
5.8
4.8
Quality of selfies
7.2
6.8
Does it have a powerful flash?
8.3
7.8
Number of reviews
100 reviews
81 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • 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)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • 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)

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

Bluetooth
Version Bluetooth 5.0 LE Low energy consumption 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)
  • LE (Low Energy)
  • 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

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

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

User reviews

Does it have good coverage for calls?
8.4
8.3
Quality of the GPS
8.4
8.1
And the WiFi?
8.0
7.9
Number of reviews
100 reviews
81 reviews

Battery

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

User reviews

How long does the battery last?
  • 2%
    Less than half day
  • 7%
    Less than a day
  • 25%
    One day
  • 47%
    More than one day
  • 19%
    Two days or more
  • 2%
    Less than half day
  • 9%
    Less than a day
  • 36%
    One day
  • 44%
    More than one day
  • 9%
    Two days or more
Number of reviews
100 reviews
81 reviews

Software

Software
Operating System
  • Android 10
    Android 10 Q, 7 years ago
  • Android 10
    Android 10 Q, 7 years ago
Google Services With Google Mobile Services With Google Mobile Services

User reviews

Did it come with preinstalled applications?
  • 4%
    It comes with a clean operating system
  • 73%
    It has preinstalled apps but they don't bother me
  • 23%
    It has preinstalled apps that I can't uninstall
  • 9%
    It comes with a clean operating system
  • 79%
    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?
  • 8%
    Never
  • 20%
    Once a year
  • 36%
    Every six months
  • 36%
    Every two months or less
  • 18%
    Never
  • 6%
    Once a year
  • 54%
    Every six months
  • 23%
    Every two months or less
Number of reviews
100 reviews
81 reviews
Prices
From $ 113 --
From $ 272 --

Others

Common comparisons