Comparison between:
- Xiaomi Mi A2
- Samsung Galaxy A41
- Samsung Galaxy A40
- Xiaomi Mi A2 Lite

Brand and model

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

Xiaomi Mi A2Samsung Galaxy A41Samsung Galaxy A40Xiaomi Mi A2 Lite
Xiaomi Mi A2
Prices
Samsung Galaxy A41
Prices
Samsung Galaxy A40
Prices
Xiaomi Mi A2 Lite
Prices
Model alias-SC-A415FSM-A405FD
A405FD
SM-A405FN
A405FN
Mi A2Lite

Design

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

Width75.4 mm
7.54 cm
0.247 ft
2.969 in
69.8 mm
6.98 cm
0.229 ft
2.748 in
69.2 mm
6.92 cm
0.227 ft
2.724 in
71.68 mm
7.168 cm
0.235 ft
2.822 in
Height158.7 mm
15.87 cm
0.521 ft
6.248 in
149.8 mm
14.98 cm
0.491 ft
5.898 in
144.4 mm
14.44 cm
0.474 ft
5.685 in
149.33 mm
14.933 cm
0.49 ft
5.879 in
Thickness7.3 mm
0.73 cm
0.024 ft
0.287 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
8.75 mm
0.875 cm
0.029 ft
0.344 in
Weight168 g
0.37 lbs
5.93 oz
152 g
0.34 lbs
5.36 oz
140 g
0.31 lbs
4.94 oz
178 g
0.39 lbs
6.28 oz
Volume87.35 cm³
5.3 in³
82.6 cm³
5.02 in³
78.94 cm³
4.79 in³
93.66 cm³
5.69 in³
ColorsBlack
Blue
Gold
Prism Crush Black
Prism Crush Blue
Prism Crush White
Prism Crush Red
Black
Blue
White
Coral
Black
Body materialsAluminium alloyPlasticPlasticMetal
Polycarbonate
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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
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
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 800 MHz (B19)
UMTS 2100 MHz (B1)
UMTS 1800 MHz (B9)
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
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 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 2600 MHz (B38)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
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
GPRS
HSPA+
LTE Cat 12
UMTS
EDGE
HSPA+
LTE Cat 6
UMTS
EDGE
HSPA+
LTE Cat 12
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 8.1 Oreo
Android 9.0 Pie
Android 10Android 9.0 PieAndroid 8.1 Oreo
Android 9.0 Pie
User interface (UI)-One UI 2.0One-

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 660 MSM8976 PlusMediaTek Helio P65 (MT6768)Samsung Exynos 7 Octa 7904Qualcomm Snapdragon 625 MSM8953
Process technology14 nm12 nm14 nm14 nm
CPU4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2602x 2.0 GHz ARM Cortex-A75, 6x 1.95 GHz ARM Cortex-A552x 1.8 GHz ARM Cortex-A73, 6x 1.6 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8-AARMv8
CPU cores8888
CPU frequency2200 MHz2000 MHz1800 MHz2000 MHz
GPUQualcomm Adreno 512ARM Mali-G52 MP2ARM Mali-G71 MP2Qualcomm Adreno 506
GPU cores-22-
GPU frequency650 MHz820 MHz-650 MHz
RAM capacity4 GB
6 GB
4 GB4 GB3 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR4XLPDDR3
RAM channelsDouble channelDouble channelDouble channelSingle channel
RAM frequency1866 MHz--933 MHz

Storage

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

Storage32 GB
64 GB
128 GB
64 GB64 GB32 GB
64 GB
eMMC 5.1---

Memory cards

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

Types-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/technologyIPSSuper AMOLEDSuper AMOLEDIPS
Diagonal size5.99 in
152.15 mm
15.21 cm
6.1 in
154.94 mm
15.49 cm
5.9 in
149.86 mm
14.99 cm
5.84 in
148.34 mm
14.83 cm
Width2.68 in
68.04 mm
6.8 cm
2.56 in
64.93 mm
6.49 cm
2.47 in
62.8 mm
6.28 cm
2.5 in
63.5 mm
6.35 cm
Height5.36 in
136.08 mm
13.61 cm
5.54 in
140.68 mm
14.07 cm
5.36 in
136.07 mm
13.61 cm
5.28 in
134.06 mm
13.41 cm
Aspect ratio2:1
2:1 (18:9)
2.167:12.167:12.111:1
Resolution1080 x 2160 pixels1080 x 2340 pixels1080 x 2340 pixels1080 x 2280 pixels
Pixel density403 ppi
158 ppcm
422 ppi
165 ppcm
437 ppi
171 ppcm
432 ppi
169 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area77.63 %87.64 %85.79 %79.79 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
500 cd/m²
85% NTSC
Infinity-U Display
Always-On Display
HDR10
370 cd/m²
Always-On Display
HDR10
2.5D curved glass screen
1500:1 contrast ratio
500 cd/m²
84% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Fingerprint sensor model - Fingerprint Cards FPC1028In-display fingerprint sensor-Fingerprint sensor model - Fingerprint Cards FPC1028

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 IMX486 Exmor RS--Sony IMX486 Exmor RS
Sensor typeCMOSCMOSCMOSCMOS
Sensor format1/2.9"--1/2.9"
Pixel size1.25 µm
0.001250 mm
--1.25 µm
0.001250 mm
Aperturef/1.75f/2f/1.7f/2.2
Focal length and 35 mm equivalent4.07 mm3.92 mm
26 mm *(35 mm / full frame)
3.92 mm
26 mm *(35 mm / full frame)
-
Number of lenses---5
Flash typeDual LEDLEDLEDLED
Image resolution4000 x 3000 pixels
12 MP
8000 x 6000 pixels
48 MP
4608 x 3456 pixels
15.93 MP
4000 x 3000 pixels
12 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 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
Phase detection autofocus (PDAF)
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
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)
720p @ 120 fps
Secondary rear camera - 20 MP
Sensor model - Sony IMX376 Exmor RS (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 1/2.78" (#2)
Pixel size - 2.0 μm (4-in-1 pixel binning) (#2)
Aperture size - f/1.75 (#2)
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)
720p @ 120 fps
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E8 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#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 modelSony IMX376 Exmor RS--OmniVision OV5675
Sensor typeCMOS BSI--PureCel
Sensor size---2.98 x 2.21 mm
0.15 in
Sensor format1/2.78"---
Pixel size1 µm
0.001000 mm
--1.151 µm
0.001151 mm
Crop factor---11.66
Aperturef/2.2f/2.2f/2f/2
Focal length and 35 mm equivalent3.82 mm3.75 mm3.75 mm-
Field of view---67.9 °
Auxiliary lightLED---
Image resolution5184 x 3880 pixels
20.11 MP
5760 x 4312 pixels
24.84 MP
5760 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
Features-Face unlock-Face unlock
Pixel size - 2.0 μm (4-in-1 pixel binning)
HDR
---

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Headphone adapter---

Radio

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

RadioNoYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GPS
A-GPS
GLONASS
BeiDou
Galileo
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-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
2x2 MiMO---

Bluetooth

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

Version5.05.05.04.2
FeaturesA2DP
HID
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
HID

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
Host
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Host
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 jackNoYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
AAC+
AC3
AMR
eAAC+
FLAC
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
AAC+
AC3
AMR
eAAC+
FLAC
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
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
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
3GPP
AVI
H.263
H.264
MKV
MP4
VC-1
VP8
Xvid

Battery

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

Capacity3010 mAh3500 mAh3100 mAh4000 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time--18 h
1080 min
0.8 days
-
3G talk time--18 h
1080 min
0.8 days
-
Charger output power5 V / 2 A5 V / 2 A
9 V / 1.67 A
5 V / 2 A
9 V / 1.67 A
5 V / 2 A
Quick charge technologyQualcomm Quick Charge 3.0---
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)0.963 W/kg-0.49 W/kg0.547 W/kg
Body SAR (EU)0.639 W/kg-1.34 W/kg1.473 W/kg
Head SAR (USA)1.16 W/kg--1.04 W/kg
Body SAR (USA)0.66 W/kg--1.15 W/kg

Additional features

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

Additional featuresM1804D2SI - SAR (Specific Absorption Rate) India: head - 1.092 W/kg; body - 0.259 W/kgNTT DoCoMo Japan edition--
 Xiaomi Mi A2Samsung Galaxy A41Samsung Galaxy A40Xiaomi Mi A2 Lite