Comparison between:
- Samsung Galaxy A21
- Samsung Galaxy A31
- Samsung Galaxy A41
- Samsung Galaxy A3 Core

Brand and model

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

Samsung Galaxy A21Samsung Galaxy A31Samsung Galaxy A41Samsung Galaxy A3 Core
Samsung Galaxy A21
Prices
Samsung Galaxy A31
Prices
Samsung Galaxy A41
Prices
Samsung Galaxy A3 Core
Prices
Model aliasSM-A215USM-A315FSC-A415FSM-A013G
SM-A013G/DS

Design

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

Width75.3 mm
7.53 cm
0.247 ft
2.965 in
73.1 mm
7.31 cm
0.24 ft
2.878 in
69.8 mm
6.98 cm
0.229 ft
2.748 in
67.5 mm
6.75 cm
0.221 ft
2.657 in
Height163.7 mm
16.37 cm
0.537 ft
6.445 in
159.3 mm
15.93 cm
0.523 ft
6.272 in
149.8 mm
14.98 cm
0.491 ft
5.898 in
141.7 mm
14.17 cm
0.465 ft
5.579 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
8.6 mm
0.86 cm
0.028 ft
0.339 in
Weight192 g
0.42 lbs
6.77 oz
185 g
0.41 lbs
6.53 oz
152 g
0.34 lbs
5.36 oz
150 g
0.33 lbs
5.29 oz
Volume109.71 cm³
6.66 in³
100.15 cm³
6.08 in³
82.6 cm³
5.02 in³
82.26 cm³
5 in³
ColorsBlackPrism Crush Black
Prism Crush Blue
Prism Crush Red
Prism Crush White
Prism Crush Black
Prism Crush Blue
Prism Crush White
Prism Crush Red
Black
Blue
Red
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 cards1222
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)
Dual SIM optional (A variant of the model with two SIM card slots is available)
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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
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 1900 MHz (B2)
UMTS 2100 MHz (B1)
UMTS 800 MHz (B19)
UMTS 2100 MHz (B1)
UMTS 1800 MHz (B9)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 2100 MHz (B1)
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 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1900 MHz (B25)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
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-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)

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
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 10
UMTS
EDGE
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

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 10Android 10Android 10 Go edition
User interface (UI)One UI 2.0One UI 2.0One UI 2.0-

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.

SoCMediaTek Helio P35 (MT6765)MediaTek Helio G70MediaTek Helio P65 (MT6768)MediaTek MT6739
Process technology12 nm12 nm12 nm28 nm
CPU4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A532x 2.0 GHz Cortex-A75, 6x 1.7 GHz Cortex-A552x 2.0 GHz ARM Cortex-A75, 6x 1.95 GHz ARM Cortex-A55ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8-A
CPU cores8884
CPU frequency2300 MHz2000 MHz2000 MHz1300 MHz
GPUPowerVR GE8320ARM Mali-G52 2EEMC2ARM Mali-G52 MP2PowerVR GE8100
GPU cores--2-
GPU frequency680 MHz820 MHz820 MHz570 MHz
RAM capacity3 GB4 GB
6 GB
4 GB1 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X-
RAM channelsDouble channelDouble channelDouble channel-
RAM frequency1866 MHz---

Storage

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

Storage32 GB64 GB
128 GB
64 GB16 GB
eMMC 5.1eMMC 5.1--

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

Display

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

Type/technologySuper AMOLEDSuper AMOLEDSuper AMOLEDPLS
Diagonal size6.5 in
165.1 mm
16.51 cm
6.4 in
162.56 mm
16.26 cm
6.1 in
154.94 mm
15.49 cm
5.3 in
134.62 mm
13.46 cm
Width2.67 in
67.75 mm
6.78 cm
2.63 in
66.71 mm
6.67 cm
2.56 in
64.93 mm
6.49 cm
2.32 in
58.89 mm
5.89 cm
Height5.93 in
150.56 mm
15.06 cm
5.84 in
148.24 mm
14.82 cm
5.54 in
140.68 mm
14.07 cm
4.77 in
121.06 mm
12.11 cm
Aspect ratio2.222:12.222:12.167:12.056:1
Resolution720 x 1600 pixels1080 x 2400 pixels1080 x 2340 pixels720 x 1480 pixels
Pixel density270 ppi
106 ppcm
411 ppi
161 ppcm
422 ppi
165 ppcm
311 ppi
122 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.02 %85.2 %87.64 %74.78 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Infinity-O DisplayInfinity-U Display
2.5D curved glass screen
Infinity-U Display
Always-On Display
HDR10
-

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
-In-display fingerprint sensorIn-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 typeCMOS-CMOSCMOS
Pixel size-0.8 µm
0.000800 mm
--
Aperture-f/2f/2f/2.2
Focal length and 35 mm equivalent--3.92 mm
26 mm *(35 mm / full frame)
-
Flash typeLEDLEDLEDLED
Image resolution4608 x 3456 pixels
15.93 MP
8000 x 6000 pixels
48 MP
8000 x 6000 pixels
48 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
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
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
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
Self-timer
Secondary rear camera - 8 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP (macro)
Fourth rear camera - 2 MP (depth-sensing)
Secondary rear camera - 8 MP (ultra-wide)
Aperture size - f/2.2 (#2)
Third rear camera - 5 MP (depth-sensing)
Aperture size - f/2.4 (#3)
Fourth rear camera - 5 MP (macro)
Aperture size - f/2.4 (#4)
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)
-

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 type---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/2.2f/2.2f/2.4
Focal length and 35 mm equivalent2.61 mm
25 mm *(35 mm / full frame)
-3.75 mm2.66 mm
25.58 mm *(35 mm / full frame)
Image resolution4160 x 3120 pixels
12.98 MP
20 MP5760 x 4312 pixels
24.84 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 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 fps30 fps
FeaturesFace unlockFace unlock
HDR
Face unlockFace unlock
HDR

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYesYes

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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
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
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
LE

USB

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

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

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
NFC
VoLTE
Computer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Tethering
NFC
VoLTE
ANT+
Computer sync
OTA sync
Tethering
VoLTE
-Availability of Samsung Pay Service (NFC or MST) may vary by country--

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
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
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

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
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
MKV
MP4
M4V
3GP
3G2
FLV
WEBM

Battery

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

Capacity4000 mAh5000 mAh3500 mAh3000 mAh
TypeLi-PolymerLi-IonLi-PolymerLi-Ion
4G talk time---17 h
1020 min
0.7 days
Charger output power5 V / 2 A
9 V / 1.67 A
5 V / 2 A
9 V / 1.67 A
5 V / 2 A
9 V / 1.67 A
5 V / 1 A
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast 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)0.23 W/kg0.488 W/kg-0.638 W/kg
Body SAR (EU)1.38 W/kg1.68 W/kg-1.18 W/kg

Additional features

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

Additional features--NTT DoCoMo Japan edition-
 Samsung Galaxy A21Samsung Galaxy A31Samsung Galaxy A41Samsung Galaxy A3 Core