Comparison between:
- Samsung Galaxy M21s
- Samsung Galaxy A3 Core
- Samsung Galaxy A41
- Samsung Galaxy A20e

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Samsung Galaxy M21sSamsung Galaxy A3 CoreSamsung Galaxy A41Samsung Galaxy A20e
Samsung Galaxy M21sSamsung Galaxy A3 Core
Prices
Samsung Galaxy A41
Prices
Samsung Galaxy A20e
Prices
Model alias-SM-A013G
SM-A013G/DS
SC-A415FSM-A202FD
A202FD

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width75.1 mm
7.51 cm
0.246 ft
2.957 in
67.5 mm
6.75 cm
0.221 ft
2.657 in
69.8 mm
6.98 cm
0.229 ft
2.748 in
69.7 mm
6.97 cm
0.229 ft
2.744 in
Height159.2 mm
15.92 cm
0.522 ft
6.268 in
141.7 mm
14.17 cm
0.465 ft
5.579 in
149.8 mm
14.98 cm
0.491 ft
5.898 in
147.4 mm
14.74 cm
0.484 ft
5.803 in
Thickness8.9 mm
0.89 cm
0.029 ft
0.35 in
8.6 mm
0.86 cm
0.028 ft
0.339 in
7.9 mm
0.79 cm
0.026 ft
0.311 in
8.4 mm
0.84 cm
0.028 ft
0.331 in
Weight191 g
0.42 lbs
6.74 oz
150 g
0.33 lbs
5.29 oz
152 g
0.34 lbs
5.36 oz
141 g
0.31 lbs
4.97 oz
Volume106.41 cm³
6.46 in³
82.26 cm³
5 in³
82.6 cm³
5.02 in³
86.3 cm³
5.24 in³
ColorsBlack
Blue
Black
Blue
Red
Prism Crush Black
Prism Crush Blue
Prism Crush White
Prism Crush Red
Black
Blue
Body materialsPlasticPlasticPlasticPlastic
Certification--IP65
IP68
-

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIMNano-SIMNano-SIMNano-SIM
Number of SIM cards2222
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
UMTSUMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 2100 MHz (B1)
UMTS 800 MHz (B19)
UMTS 2100 MHz (B1)
UMTS 1800 MHz (B9)
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 700 MHz (B28)
LTE-FDD 850 MHz (B19)
LTE-FDD 2100 MHz (B1)
LTE-FDD 1800 MHz (B9)
LTE-FDD 1500 MHz (B21)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)Android 10Android 10 Go editionAndroid 10Android 9.0 Pie
User interface (UI)One UI 2.0-One UI 2.0One 1.1

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCSamsung Exynos 7 Octa 9611MediaTek MT6739MediaTek Helio P65 (MT6768)Samsung Exynos 7 Octa 7884
Process technology10 nm28 nm12 nm14 nm
CPU4x 2.3 GHz ARM Cortex-A73, 4x 1.7 GHz ARM Cortex-A53ARM Cortex-A532x 2.0 GHz ARM Cortex-A75, 6x 1.95 GHz ARM Cortex-A552x 1.6 GHz ARM Cortex-A73, 6x 1.35 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8-A
CPU cores8488
CPU frequency2300 MHz1300 MHz2000 MHz1600 MHz
GPUARM Mali-G72 MP3PowerVR GE8100ARM Mali-G52 MP2ARM Mali-G71
GPU cores3-2-
GPU frequency-570 MHz820 MHz-
RAM capacity4 GB1 GB4 GB3 GB
RAM typeLPDDR4X-LPDDR4XLPDDR4
RAM channelsDouble channel-Double channel-

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage64 GB16 GB64 GB32 GB

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
UFS 2.1---

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologySuper AMOLEDPLSSuper AMOLEDPLS
Diagonal size6.4 in
162.56 mm
16.26 cm
5.3 in
134.62 mm
13.46 cm
6.1 in
154.94 mm
15.49 cm
5.8 in
147.32 mm
14.73 cm
Width2.68 in
68.12 mm
6.81 cm
2.32 in
58.89 mm
5.89 cm
2.56 in
64.93 mm
6.49 cm
2.43 in
61.74 mm
6.17 cm
Height5.81 in
147.6 mm
14.76 cm
4.77 in
121.06 mm
12.11 cm
5.54 in
140.68 mm
14.07 cm
5.27 in
133.76 mm
13.38 cm
Aspect ratio2.167:12.056:12.167:12.167:1
Resolution1080 x 2340 pixels720 x 1480 pixels1080 x 2340 pixels720 x 1560 pixels
Pixel density403 ppi
158 ppcm
311 ppi
122 ppcm
422 ppi
165 ppcm
296 ppi
116 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area84.37 %74.78 %87.64 %80.64 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Infinity U Display
2.5D curved glass screen
Corning Gorilla Glass 3
Peak brightness - 420 cd/m²
78960:1
-Infinity-U Display
Always-On Display
HDR10
Corning Gorilla Glass 3
1400:1 contrast ratio
500 cd/²

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Accelerometer
Compass
Gyroscope
Geomagnetic
Fingerprint
Virtual Light Sensor
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
--In-display fingerprint sensor-

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor model---Samsung S5K3L6
Sensor typeCMOS BSICMOSCMOSISOCELL
Sensor format---1/3.1"
Pixel size0.8 µm
0.000800 mm
--1.12 µm
0.001120 mm
Aperturef/2f/2.2f/2f/1.9
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)-3.92 mm
26 mm *(35 mm / full frame)
3.6 mm
27 mm *(35 mm / full frame)
Flash typeLEDLEDLEDLED
Image resolution9280 x 6920 pixels
64.22 MP
3264 x 2448 pixels
7.99 MP
8000 x 6000 pixels
48 MP
4208 x 3120 pixels
13.13 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps60 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
Self-timer
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Secondary rear camera - 5 MP (depth)
Aperture size - f/2.2 (#2)
Third rear camera - 8 MP (ultra-wide angle)
Sensor size - 1/4" (#3)
Pixel size - 1.12 µm (#3)
Aperture size - f/2.2 (#3)
Angle of view - 123° (#3)
-Secondary rear camera - 5 MP (depth-sensing)
Aperture size - f/2.4 (#2)
Third rear camera - 8 MP (ultra-wide-angle)
Aperture size - f/2.2 (#3)
Secondary rear camera - 5 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Angle of view - 123° (#2)

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor model-Samsung S5K4E6--
Sensor typeCMOS BSICMOS-CMOS
Sensor size-3.6 x 2.7 mm
0.18 in
--
Sensor format-1/4"--
Pixel size-1.34 µm
0.001340 mm
--
Crop factor-9.61--
Aperturef/2f/2.4f/2.2f/2
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)2.66 mm
25.58 mm *(35 mm / full frame)
3.75 mm-
Image resolution32 MP2592 x 1944 pixels
5.04 MP
5760 x 4312 pixels
24.84 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlockFace unlock
HDR
Face unlock-

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Dolby Atmos for stereo headsets
Widevine L1 Certification
---

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesYesYesYes
RDS---

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GPS
A-GPS
GLONASS
BeiDou

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version5.05.05.05.0
FeaturesA2DP
LE
A2DP
LE
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeUSB Type-CMicro USBUSB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
NFC
VoLTE
ANT+
Computer sync
OTA sync
Tethering
NFC

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
FLAC
M4A
MP3
OGG
WAV
3GA
AWB
MID
XMF
MXMF
IMY
RTTTL
RTX
OTA
AAC
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
WebM
WMV
WMV7
WMV8
Xvid
MKV
MP4
M4V
3GP
3G2
FLV
WEBM
3GPP
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
WebM
WMV
WMV7
WMV8
Xvid
3GPP
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
WebM
WMV
WMV7
WMV8
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity6000 mAh3000 mAh3500 mAh3000 mAh
TypeLi-IonLi-IonLi-PolymerLi-Polymer
4G talk time-17 h
1020 min
0.7 days
--
Charger output power5 V / 3 A5 V / 1 A5 V / 2 A
9 V / 1.67 A
5 V / 2 A
9 V / 1.67 A
FeaturesFast charging
Non-removable
Non-removableFast charging
Non-removable
Non-removable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)0.492 W/kg0.638 W/kg-0.498 W/kg
Body SAR (EU)1.13 W/kg1.18 W/kg-1.303 W/kg
Head SAR (USA)---0.43 W/kg
Body SAR (USA)---0.5 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional featuresSAR (Specific Absorption Rate) India: head - 0.468 W/kg-NTT DoCoMo Japan edition-
 Samsung Galaxy M21sSamsung Galaxy A3 CoreSamsung Galaxy A41Samsung Galaxy A20e