Samsung Galaxy A02 vs Samsung Galaxy A21s: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A02 vs Samsung Galaxy A21s. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Score

Ki Price/Quality
Score
7.1 Ki Price/Quality
Score
7.7 Ki Price/Quality
Score
Design and Screen score 6.5 Design & Materials 4.9 Design & Materials
Performance and Hardware score 4.9 Performance & Hardware 6.0 Performance & Hardware
Camera score 4.5 Camera 7.0 Camera
Connectivity score 4.6 Connectivity 7.2 Connectivity
Battery score 7.7 Battery 8.2 Battery

User reviews

User score --
9.0
37 opinions

Summary

Inches 6.5" 6.5"
Resolution HD+ HD+
Usable surface 84% useful 82% useful
Aspect Ratio 19:9 20:9
Dimensions 75.9 mm
164.0 mm
9.1 mm
75.3 mm
163.7 mm
8.9 mm
Weight 206 g 192 g
Micro MT6739
Quad-Core
Exynos 850
Octa-Core
RAM 3 GB RAM 3 GB RAM
Storage 32 GB 32 GB
AnTuTu 50.774
v8
117.341
v8
Battery 5000 mAh 5000 mAh
Main Camera 1
13 Mpx · ƒ/1.9

2
1
48 Mpx · ƒ/2.0
S5KGM2
2 3 4
Selfie Camera SELF 5 Mpx · ƒ/2.0 SELF 13 Mpx · ƒ/2.2
Bands
OS Android 10 Q Android 10 Q

Brand

Brand Samsung Samsung
Aliases SM-A022F SM-A217F, SM-A217F/DS

Release Date

Release date January 2021,
3 months ago
May 2020,
1 year ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy A02
Samsung Galaxy A21s
Samsung Galaxy A02
Samsung Galaxy A21s
Size
75.9 mm
164.0 mm
9.1 mm
Print 3D Model
75.3 mm
163.7 mm
8.9 mm
Print 3D Model
Weight 206 g 192 g
Usable surface 84 % 82 %
Materials Plastic Plastic
Resistance - -
Colors
Black

Blue

Red

Gray
Black

White

Blue

Screen

Diagonal 6.5" 6.5"
Type TFT LCD (IPS) LCD IPS
Aspect Ratio 19:9 20:9
Resolution HD+
720 x 1520 px
HD+
720 x 1600 px
Density 259 Pixels per inch 270 Pixels per inch

Others

Others
  • Water Drop Notch
  • Capacitive
  • Multi-touch
  • Frameless
  • Infinity-V
  • Hole-punch Notch
  • Scratch resistant
  • Capacitive
  • Multi-touch

User reviews

Do you think it's a nice phone?
--
9.3
Is it comfortable?
--
9.1
Can you see it well in the sunlight?
--
7.9
Is it a drop-resistant and scratch-resistant smartphone?
--
8.4
Number of reviews
--
37 opinions

Performance & Hardware

Processor

Model MediaTek MT6739V/WW Samsung Exynos 850
CPU 4x Cortex-A53 1.5 GHz 4x Cortex-A55 2.0 GHz + 4x Cortex-A55 2.0 GHz
Type Quad-Core Octa-Core
Manufacturing 28 nm 11 nm
Frequency 1.5 GHz 2 GHz
64 Bits Yes Yes

Graphics

GPU PowerVR GE8100 ARM Mali-G76 1Ghz

RAM

RAM 3 GB 3 GB
Type -- LPDDR4X RAM

Antutu

Score
50.774
Antutu v8
Overall performance better than 42% of devices
117.341
Antutu v8
Overall performance better than 63% of devices

Storage

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

Security

Fingerprint No Yes, in the back

Sensors

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

Others

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

User reviews

Does it have good sound?
--
8.9
Does it work smoothly in everyday use?
--
9.1
What's your experience been with demanding games?
--
8.6
Number of reviews
--
37 opinions

Camera

Main

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

Standard

Standard
Resolution 13 Mpx 48 Mpx
Sensor Unknown Samsung S5KGM2
Type CMOS ISOCELL
Aperture ƒ/ 1.9 ƒ/ 2.0
ISO -- --
Pixel size 1.12 µm 0.80 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- 1/2
2
Camera type

Macro lens

Wide Angle lens
Resolution
2 Mpx
5 Mpx
Sensor
Unknown
Samsung S5K4HA
Type
--
ISOCELL
Aperture
ƒ/ 2.4
ƒ/ 2.2
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
--
3
Camera type
--

Macro lens
Resolution
2 Mpx
Sensor
Unknown
Type
CMOS
Aperture
ƒ/ 2.4
Pixel size
--
Pixel Binning
--
Sensor size
--
4
Camera type
--

Portrait mode (depth)
Resolution
2 Mpx
Sensor
Unknown
Type
CMOS
Aperture
ƒ/ 2.4
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
  • Dual camera
  • Autofocus
  • Touch focus
  • 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
  • Phase detection autofocus (PDAF)
  • 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 5 Mpx 13 Mpx
Sensor Unknown Unknown
Type -- CMOS
Aperture ƒ/ 2.0 ƒ/ 2.2
Pixel size -- 1.12 µm
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
--
9.4
Quality of nighttime photos
--
8.4
Quality of selfies
--
9.0
Does it have a powerful flash?
--
9.0
Number of reviews
--
37 opinions

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • 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)
3G
  • B1 (2100)
  • 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
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth

Version Bluetooth 4.2 LE Low energy consumption Bluetooth 5.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • 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

Navigation

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

USB

USB
  • Charging
  • Mass Storage
  • 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.

1.710 W/Kg on head
0.650 W/Kg on body
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
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE

User reviews

And the WiFi?
--
9.1
Does it have good coverage for calls?
--
9.1
Quality of the GPS
--
8.9
Number of reviews
--
37 opinions

Battery

Battery

Capacity
5000 mAh
5000 mAh
Type Li-Ion Li-Polymer
Fast charge Yes,
7.5W
Yes,
15.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 5%
    One day
  • 51%
    More than one day
  • 43%
    Two days or more
Number of reviews
--
37 opinions

Software

Software

Operating System
  • Android 10
    Android 10 Q, 1 year ago
  • Android 10
    Android 10 Q, 1 year ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
--
  • 3%
    It comes with a clean operating system
  • 81%
    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?
--
  • 0%
    Never
  • 7%
    Once a year
  • 34%
    Every six months
  • 59%
    Every two months or less
Number of reviews
--
37 opinions

Prices

Prices

Prices

Prices for the version Global  •  3GB  •  32GB  •  SM-A022F Change

Prices

Prices for the version Global  •  3GB  •  32GB  •  SM-A217FDS Change