Comparison between:
- Samsung Galaxy M51
- Samsung Galaxy A3 Core
- Samsung Galaxy A41
- Samsung Galaxy S20 5G SD865

Brand and model

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

Samsung Galaxy M51Samsung Galaxy A3 CoreSamsung Galaxy A41Samsung Galaxy S20 5G SD865
Samsung Galaxy M51
Prices
Samsung Galaxy A3 Core
Prices
Samsung Galaxy A41
Prices
Samsung Galaxy S20 5G SD865
Prices
Model aliasSM-M515F
SM-M515F/DSN
SM-A013G
SM-A013G/DS
SC-A415FSM-G981
SM-G981U
SM-G981U1
SM-G981N

Design

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

Width76.3 mm
7.63 cm
0.25 ft
3.004 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
69.1 mm
6.91 cm
0.227 ft
2.72 in
Height163.9 mm
16.39 cm
0.538 ft
6.453 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
151.7 mm
15.17 cm
0.498 ft
5.972 in
Thickness9.5 mm
0.95 cm
0.031 ft
0.374 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
7.9 mm
0.79 cm
0.026 ft
0.311 in
Weight213 g
0.47 lbs
7.51 oz
150 g
0.33 lbs
5.29 oz
152 g
0.34 lbs
5.36 oz
163 g
0.36 lbs
5.75 oz
Volume118.8 cm³
7.21 in³
82.26 cm³
5 in³
82.6 cm³
5.02 in³
82.81 cm³
5.03 in³
ColorsElectric Blue
Celestial White
Black
Blue
Red
Prism Crush Black
Prism Crush Blue
Prism Crush White
Prism Crush Red
Cosmic Grey
Cloud Blue
Cloud Pink
Body materialsPlasticPlasticPlasticGlass
Aluminium alloy
Certification--IP65
IP68
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 cards2221
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 optional (A variant of the model with two SIM card slots is available)
---eSIM

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 2100 MHz (B1)
UMTS 800 MHz (B19)
UMTS 2100 MHz (B1)
UMTS 1800 MHz (B9)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
LTELTE-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-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-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
5G NR---5G-FDD 600 MHz (n71)
5G-FDD 850 MHz (n5)
5G-FDD 1700 MHz (n66)
5G-FDD 1900 MHz (n2)
5G-TDD 2500 MHz (n41)

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 Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 20
5G NSA
5G SA
---Snapdragon X55 modem
Enhanced 4x4 MIMO
Up to 7CA
LAA (US only)

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 10
User interface (UI)One UI Core-One 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.

SoCQualcomm Snapdragon 730MediaTek MT6739MediaTek Helio P65 (MT6768)Qualcomm Snapdragon 865
Process technology8 nm28 nm12 nm7 nm
CPU2x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 470ARM Cortex-A532x 2.0 GHz ARM Cortex-A75, 6x 1.95 GHz ARM Cortex-A551x 2.84 GHz Kryo 585, 3x 2.42 GHz Kryo 585, 4x 1.8 GHz Kryo 585
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8-AARMv8-A
CPU cores8488
CPU frequency2200 MHz1300 MHz2000 MHz2840 MHz
GPUQualcomm Adreno 618PowerVR GE8100ARM Mali-G52 MP2Qualcomm Adreno 650
GPU cores--2-
GPU frequency-570 MHz820 MHz-
RAM capacity6 GB1 GB4 GB12 GB
RAM typeLPDDR4X-LPDDR4XLPDDR5
RAM channelsDouble channel-Double channel-
RAM frequency---2750 MHz

Storage

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

Storage128 GB16 GB64 GB128 GB
---UFS 3.0

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 AMOLEDPLSSuper AMOLEDDynamic AMOLED 2X
Diagonal size6.7 in
170.18 mm
17.02 cm
5.3 in
134.62 mm
13.46 cm
6.1 in
154.94 mm
15.49 cm
6.2 in
157.48 mm
15.75 cm
Width2.81 in
71.32 mm
7.13 cm
2.32 in
58.89 mm
5.89 cm
2.56 in
64.93 mm
6.49 cm
2.54 in
64.62 mm
6.46 cm
Height6.08 in
154.52 mm
15.45 cm
4.77 in
121.06 mm
12.11 cm
5.54 in
140.68 mm
14.07 cm
5.65 in
143.61 mm
14.36 cm
Aspect ratio2.167:12.056:12.167:12.222:1
Resolution1080 x 2340 pixels720 x 1480 pixels1080 x 2340 pixels1440 x 3200 pixels
Pixel density385 ppi
151 ppcm
311 ppi
122 ppcm
422 ppi
165 ppcm
566 ppi
222 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area88.4 %74.78 %87.64 %88.82 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
Gorilla Glass 3
-Infinity-U Display
Always-On Display
HDR10
Corning Gorilla Glass 6
Infinity-O Display
Always-On Display
120Hz refresh rate
HDR10+

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Geomagnetic
Fingerprint
Hall
Side-mounted fingerprint sensor-In-display fingerprint sensorIn-display ultrasonic 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 modelSony IMX682--Samsung S5K2LD
Sensor typeCMOS BSICMOSCMOSISOCELL
Sensor size---6.45 x 8.46 mm
0.42 in
Sensor format1/1.72"--1/1.76"
Pixel size0.8 µm
0.000800 mm
--1.8 µm
0.001800 mm
Crop factor---4.07
ISO100 - 800---
Aperturef/1.8f/2.2f/2f/1.8
Focal length and 35 mm equivalent3.58 mm
27 mm *(35 mm / full frame)
-3.92 mm
26 mm *(35 mm / full frame)
4.32 mm
17.57 mm *(35 mm / full frame)
Field of view---79 °
Number of lenses6---
Flash typeLEDLEDLEDDual LED
Image resolution9280 x 6944 pixels
64.44 MP
3264 x 2448 pixels
7.99 MP
8000 x 6000 pixels
48 MP
4032 x 3024 pixels
12.19 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
7680 x 4320 pixels
33.18 MP
Video FPS30 fps30 fps30 fps24 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
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
Optical zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Super Phase Detection
Secondary rear camera - 12 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Pixel size - 1.12 μm (#2)
Angle of view - 123° (#2)
Third rear camera - 5 MP (macro)
Aperture size - f/2.4 (#3)
Fourth rear camera - 5 MP (depth-sensing)
Aperture size - f/2.4 (#3)
Pixel size - 1.12 μm (#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)
Phase detection with Dual Pixel
Object tracking AF
Dual OIS
2160p @ 60 fps
1080p @ 240 fps
720p @ 960 fps
HDR10+ video recording
Secondary rear camera - 12 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Angle of view - 120° (#2)
Focal length (35 mm equivalent) - 22 mm (#2)
Third rear camera - 64 MP (telephoto)
Aperture size - f/2.0 (#3)
Angle of view - 76° (#3)
PDAF (#3)
3x optical zoom (#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 modelSamsung S5KGD1Samsung S5K4E6-Sony IMX374
Sensor typeISOCELLCMOS-CMOS
Sensor size-3.6 x 2.7 mm
0.18 in
--
Sensor format1/2.8"1/4"--
Pixel size0.8 µm
0.000800 mm
1.34 µm
0.001340 mm
--
Crop factor-9.61--
Aperturef/2.2f/2.4f/2.2f/2.2
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)2.66 mm
25.58 mm *(35 mm / full frame)
3.75 mm26 mm *(35 mm / full frame)
Field of view---80 °
Image resolution6560 x 4928 pixels
32.33 MP
2592 x 1944 pixels
5.04 MP
5760 x 4312 pixels
24.84 MP
10 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 fps60 fps
FeaturesFace unlockFace unlock
HDR
Face unlockPhase detection autofocus (PDAF)
HDR
Autofocus
Sensor type - ISOCELL Slim--Phase detection with Dual Pixel
Auto HDR

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Stereo speakers
---384 kHz / 32-bit
AKG audio
Dolby Atmos

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
Galileo
GPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GPS
A-GPS
GLONASS
BeiDou
Galileo

Wi-Fi

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

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11ax
VHT80--HE80
MiMO
1024-QAM

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
LE
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
AVRCP
DIP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP

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
Version2.02.02.03.2
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 jackYesYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
3GA
OGA
AWB
MID
XMF
MXMF
IMY
RTTTL
RTX
OTA
APE
DSF
DFF

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
AVI
MKV
MP4
WMV
M4V
3GP
3G2
ASF
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.

Capacity7000 mAh3000 mAh3500 mAh4000 mAh
TypeLi-IonLi-IonLi-PolymerLi-Polymer
4G talk time-17 h
1020 min
0.7 days
--
Charger output power5 V / 5 A5 V / 1 A5 V / 2 A
9 V / 1.67 A
5 V / 5 A
FeaturesFast charging
Non-removable
Non-removableFast charging
Non-removable
Wireless charging
Fast charging
Non-removable
---Qi/PMA wireless charging - 15 W
Wireless reverse charging - 9 W
Fast Wireless Charging 2.0
USB Power Delivery 3.0

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)0.609 W/kg0.638 W/kg--
Body SAR (EU)1.446 W/kg1.18 W/kg--
Head SAR (USA)---1.07 W/kg
Body SAR (USA)---1.03 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 editionSamsung DeX
US SAR - Product-specific (wireless router) - 1.25 W/Kg
US SAR - Simultaneous transmission - 1.59 W/Kg
 Samsung Galaxy M51Samsung Galaxy A3 CoreSamsung Galaxy A41Samsung Galaxy S20 5G SD865