Comparison between:
- Samsung Galaxy S8 SD835
- Xiaomi Mi A3
- Samsung Galaxy S4 I9506
- Samsung Galaxy S6 Edge+

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

	Samsung Galaxy S8 SD835	Xiaomi Mi A3	Samsung Galaxy S4 I9506	Samsung Galaxy S6 Edge+

Model alias	SM-G950A G950A SM-G950J G950J SM-G950P G950T SM-G950T G950T SM-G950U G950U SM-G950V G950VSM-G950W G950W SM-G9500 G9500	M1906F9SH M1906F9SI	SHV-E330S GT-I9506 I9506	Galaxy S6 Edge Plus SM-G928A G928A SM-G928F G928F SM-G928V G928V

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

Width	68.1 mm 6.81 cm 0.223 ft 2.681 in	71.85 mm 7.185 cm 0.236 ft 2.829 in	69.8 mm 6.98 cm 0.229 ft 2.748 in	75.8 mm 7.58 cm 0.249 ft 2.984 in
Height	148.9 mm 14.89 cm 0.489 ft 5.862 in	153.48 mm 15.348 cm 0.504 ft 6.043 in	136.6 mm 13.66 cm 0.448 ft 5.378 in	154.4 mm 15.44 cm 0.507 ft 6.079 in
Thickness	8 mm 0.8 cm 0.026 ft 0.315 in	8.475 mm 0.848 cm 0.028 ft 0.334 in	7.9 mm 0.79 cm 0.026 ft 0.311 in	6.9 mm 0.69 cm 0.023 ft 0.272 in
Weight	155 g 0.34 lbs 5.47 oz	173 g 0.38 lbs 6.13 oz	131 g 0.29 lbs 4.62 oz	153 g 0.34 lbs 5.4 oz
Volume	81.12 cm³ 4.93 in³	93.46 cm³ 5.68 in³	75.32 cm³ 4.57 in³	80.75 cm³ 4.9 in³
Colors	Black Silver Gold Blue Gray Pink Red	Black White Blue	Black White Red Blue	Black Gold White Silver
Body materials	Glass Aluminium alloy	Glass Plastic	-	Glass Aluminium alloy
Certification	IP68	-	-	-

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

SIM card type	Nano-SIM	Nano-SIM / microSD Nano-SIM	Micro-SIM	Nano-SIM
Number of SIM cards	1	2	1	1
Features	Dual SIM optional (A variant of the model with two SIM card slots is available)	-	-	-

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

GSM	GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz	GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz	GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz	GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz
CDMA	-	-	-	CDMA 800 MHz(SM-G928V) CDMA 1900 MHz (SM-G928V)
W-CDMA	-	W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz	-	-
UMTS	UМТS 900 МНz UМТS 1700/2100 МНz UМТS 1900 МНz UМТS 2100 МНz	-	UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz	UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz
LTE	LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) LТЕ 700 МНz Сlаss 13 LТЕ 700 МНz Сlаss 17 LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2100 МНz LТЕ 700 МНz (В12)	LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2100 МНz LТЕ 700 МНz (В28)	LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2600 МНz	LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2600 МНz LТЕ 700 МНz Сlаss 17 (SМ-G928А; SМ-G928F) LТЕ 800 МНz (SМ-G928А; SМ-G928F) LТЕ 850 МНz (SМ-G928А; SМ-G928F) LТЕ 900 МНz (SМ-G928А; SМ-G928F) LТЕ 1700/2100 МНz (SМ-G928А; SМ-G928V) LТЕ 2100 МНz (SМ-G928А; SМ-G928F) LТЕ 700 МНz (В12) (SМ-G928F) LТЕ 700 МНz Сlаss 13 (SМ-G928V) LТЕ 2300 МНz (В30) (SМ-G928А)

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

Mobile network technologies	UМТS GРRS LТЕ Саt 16	UМТS GРRS LТЕ Саt 12	UМТS GРRS Сlаss 12 LТЕ Саt 4	UМТS GРRS LТЕ Саt 9
	-	-	LTE-A - SHV-E330S	-

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

Operating system (OS)	Аndrоid 7.0 Νоugаt Аndrоid 8.0 Оrео Аndrоid 9.0 Рiе	Аndrоid 9.0 Рiе Аndrоid 10	Аndrоid 4.2.2 Jеlly Веаn Аndrоid 4.4 ΚitΚаt Аndrоid 5.0.1 Lоlliрор	Аndrоid 5.1.1 Lоlliрор Аndrоid 6.0.1 Маrshmаllоw Аndrоid 7.0 Νоugаt Аndrоid 8.0 Оrео
User interface (UI)	Experience 8.1	-	-	Edge UX

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

SoC	Quаlсоmm Snарdrаgоn 835 (МSМ8998)	Quаlсоmm Snарdrаgоn 665 (SМ6125)	Quаlсоmm Snарdrаgоn 800 (МSМ8974АА)	Sаmsung Ехynоs 7 Осtа 7420
Process technology	10 nm	11 nm	28 nm	14 nm
CPU	4х 2.45 GНz АRМ Соrtех-А75, 4х 1.9 GНz АRМ Соrtех-А55 (Κryо 280)	4х 2.0 GНz АRМ Соrtех-А73, 4х 1.8 GНz АRМ Соrtех-А53 (Κryо 260)	4х 2.26 GНz Κrаit 400	4х 2.1 GНz АRМ Соrtех-А57, 4х 1.5 GНz АRМ Соrtех-А53
CPU bits	64 bit	64 bit	64 bit	64 bit
Instruction set	ARMv8.2-A	ARMv8-A	ARMv8	ARMv8-A
Level 0 cache memory (L0)	-	-	4 KB + 4 KB	-
Level 1 cache memory (L1)	16 KB + 16 KB	16 KB + 16 KB	32 KB + 32 KB	16 KB + 16 KB
Level 2 cache memory (L2)	3072 KB 3 MB	-	2048 KB 2 MB	-
CPU cores	8	8	4	8
CPU frequency	2450 MHz	2000 MHz	2260 MHz	2100 MHz
GPU	Qualcomm Adreno 540	Qualcomm Adreno 610	Qualcomm Adreno 330	ARM Mali-T760 MP8
GPU cores	-	-	4	8
GPU frequency	710 MHz	950 MHz	450 MHz	772 MHz
RAM capacity	4 GB	4 GB	2 GB	4 GB
RAM type	LPDDR4X	LPDDR4X	LPDDR3	LPDDR4
RAM channels	Double channel	Double channel	Double channel	Double channel
RAM frequency	1766 MHz	1766 MHz	700 MHz	1452 MHz
	-	Game Turbo 2.0	-	-

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

Storage	64 GB	64 GB 128 GB	16 GB 32 GB	32 GB 64 GB
	UFS 2.1	UFS 2.0	-	UFS 2.0

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

Types

microSD
microSDHC
microSDXC

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

Type/technology	Super AMOLED	AMOLED	Super AMOLED	Super AMOLED
Diagonal size	5.8 in 147.32 mm 14.73 cm	6.09 in 154.64 mm 15.46 cm	5 in 127 mm 12.7 cm	5.7 in 144.78 mm 14.48 cm
Width	2.84 in 72.23 mm 7.22 cm	2.61 in 66.2 mm 6.62 cm	2.45 in 62.26 mm 6.23 cm	2.34 in 59.41 mm 5.94 cm
Height	5.06 in 128.4 mm 12.84 cm	5.5 in 139.75 mm 13.97 cm	4.36 in 110.69 mm 11.07 cm	5.2 in 132.03 mm 13.2 cm
Aspect ratio	1.778:1 16:9	2.111:1	1.778:1 16:9	2.222:1
Resolution	1080 x 1920 pixels	720 x 1520 pixels	1080 x 1920 pixels	1080 x 2400 pixels
Pixel density	380 ppi 149 ppcm	276 ppi 108 ppcm	441 ppi 173 ppcm	462 ppi 181 ppcm
Color depth	24 bit 16777216 colors	24 bit 16777216 colors	24 bit 16777216 colors	24 bit 16777216 colors
Display area	91.75 %	84.16 %	72.52 %	67.24 %
Other features	Capacitive Multi-touch Scratch resistant	Capacitive Multi-touch Scratch resistant	Capacitive Multi-touch Scratch resistant	Capacitive Multi-touch Scratch resistant
	Corning Gorilla Glass 5 Dual Edge display Always-On Display 540 cd/m² 90% DCI-P3 VR headset support	Corning Gorilla Glass 5 60000:1 contrast ratio 350 cd/m² Peak brightness - 530 cd/m² 102.7% NTSC HDR10	Corning Gorilla Glass 3	Corning Gorilla Glass 4 Dual Edge display

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

Sensors	Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall Heart rate	Proximity Light Accelerometer Compass Gyroscope	Proximity Light Accelerometer Compass Gyroscope Barometer Thermometer Humidity	Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall
	Fingerprint sensor model - Synaptics Namsan	In-display fingerprint sensor	-	-

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

Sensor model	Sony IMX333 Exmor RS	Sony IMX586 Exmor RS	Sony IMX135 Exmor RS	Sony IMX240 Exmor RS
Sensor type	CMOS	CMOS	CMOS	CMOS
Sensor size	-	-	4.69 x 3.52 mm 0.23 in	5.95 x 3.35 mm 0.27 in
Sensor format	1/2.55"	1/2"	-	-
Pixel size	1.4 µm 0.001400 mm	0.8 µm 0.000800 mm	1.136 µm 0.001136 mm	1.12 µm 0.001120 mm
Crop factor	-	-	7.38	6.34
ISO	-	-	50 - 1000	50 - 3200
Aperture	f/1.7	f/1.79	f/2.2	f/1.9
Shutter speed	-	-	1/14 - 1/10000	10 - 1/24000
Focal length and 35 mm equivalent	4.2 mm 26 mm ^{*(35 mm / full frame)}	4.71 mm	4.55 mm 33.59 mm ^{*(35 mm / full frame)}	-
Field of view	77 °	-	-	-
Number of lenses	-	6	-	-
Flash type	Dual LED	Dual LED	LED	LED
Image resolution	4032 x 3024 pixels 12.19 MP	8000 x 6000 pixels 48 MP	4128 x 3096 pixels 12.78 MP	5312 x 2988 pixels 15.87 MP
Video resolution	3840 x 2160 pixels 8.29 MP	3840 x 2160 pixels 8.29 MP	1920 x 1080 pixels 2.07 MP	3840 x 2160 pixels 8.29 MP
Video FPS	30 fps	30 fps	30 fps	30 fps
Features	Autofocus Continuous shooting Digital 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)	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)	Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection	Autofocus Continuous shooting Digital zoom Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Phase detection autofocus (PDAF)
	Available also with Samsung S5K2L2 (ISOCELL) Phase detection with Dual Pixel Object tracking AF Smart OIS High CRI LED flash 720p @ 240 fps	Sony IMX582 version is also available Pixel size - 1.6 μm (4-in-1 pixel binning) 1080p @ 120 fps 720p @ 240 fps	-	Available also with Samsung S5K2P2 (ISOCELL) 1080p @ 60 fps

Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.

Sensor model	-	OmniVision OV13855	-	-
Pixel size	-	1.12 µm 0.001120 mm	-	-
Aperture	-	f/2.2	-	-
Field of view	-	118 °	-	-
Image resolution	-	8 MP	-	-
	-	Samsung S5K4H7 version is also available	-	-

Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.

Sensor model	-	OmniVision OV02A10	-	-
Pixel size	-	1.75 µm 0.001750 mm	-	-
Aperture	-	f/2.4	-	-
Image resolution	-	2 MP	-	-
	-	GalaxyCore GC2375 version is also available	-	-

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	Sony IMX320 Exmor RS	Samsung S5KGD1	-	Samsung S5K4E6
Sensor type	CMOS	-	-	ISOCELL
Sensor size	-	-	-	3.2 x 2.4 mm 0.16 in
Sensor format	1/3.6"	-	-	-
Pixel size	1.22 µm 0.001220 mm	0.8 µm 0.000800 mm	-	1.25 µm 0.001250 mm
Crop factor	-	-	-	10.82
ISO	-	-	-	50 - 1250
Aperture	f/1.7	f/2	-	f/1.9
Shutter speed	-	-	-	1/7 - 1/9728
Focal length and 35 mm equivalent	2.95 mm 25 mm ^{*(35 mm / full frame)}	3.85 mm	-	2.03 mm 21.96 mm ^{*(35 mm / full frame)}
Field of view	80 °	79 °	-	120 °
Number of lenses	-	5	-	4
Image resolution	3520 x 2270 pixels 7.99 MP	6816 x 4735 pixels 32.27 MP	-	2560 x 1920 pixels 4.92 MP
Video resolution	2560 x 1440 pixels 3.69 MP	1920 x 1080 pixels 2.07 MP	1920 x 1080 pixels 2.07 MP	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps	30 fps	30 fps	30 fps
Features	-	Face unlock	-	-
	Available also with Samsung S5K3H1 Auto HDR	Sensor type - ISOCELL PLUS	2 MP	Auto real-time HDR Self-timer

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

Speaker	Loudspeaker Earpiece	Loudspeaker Earpiece	Loudspeaker Earpiece	Loudspeaker Earpiece
	Qualcomm WCD9341 DAC 192 kHz / 24-bit	Hi-Res Audio Smart PA	-	192 kHz / 24-bit

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

Radio	Yes	Yes	Yes	No
	-	-	RDS	-

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

Tracking/Positioning

GРS
А-GРS

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

Wi-Fi	802.11а 802.11b 802.11g 802.11а	802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11аd	802.11а 802.11b 802.11g 802.11а	802.11а 802.11b 802.11g 802.11а 802.11аd
	VHT80 MU-MiMO 1024-QAM	-	-	VHT80 MiMO

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

Version	5.0	5.0	4.1	4.2
Features	A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP	A2DP EDR HID LE	A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP SAP	A2DP AVRCP EDR HFP HID HSP LE OPP PAN PBAP

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

Connector type	Micro USB	Micro USB	Micro USB	Micro USB
Version	3.1	2.0	2.0	2.0
Features	Charging Mass storage On-The-Go	Charging Host Mass storage On-The-Go	Charging Host Mass storage	Charging Host Mass storage

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMI

Micro USB to HDMI MHL adapter

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 jack

Yes

Information about other important connectivity technologies supported by the devices.

Connectivity

Computer sync
OTA sync
Tethering
NFC
ANT+

Computer sync
OTA sync
Infrared
VoLTE

Computer sync
OTA sync
Infrared
Tethering
DLNA
NFC

Computer sync
OTA sync
Tethering
NFC
ANT+

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

Browser

HTML
HTML5
CSS 3

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

Audio file formats/codecs

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

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

AAC
AAC+
AC3
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
XMF
apt-X

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

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

Video file formats/codecs

3GPP
3GPP2
AVI
DivX
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
ASF

3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
Xvid

DivX
H.263
H.264
MPEG-4
VC-1
VP8
WMV
WMV7
WMV8
MP43
HEVC
DivX3.11

3GPP
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VP9
WebM
WMV

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

Capacity	3000 mAh	4030 mAh	2600 mAh	3000 mAh
Type	Li-Ion	Li-Polymer	Li-Ion	Li-Ion
2G talk time	29 h 1740 min 1.2 days	-	17 h 1020 min 0.7 days	28 h 1680 min 1.2 days
2G stand-by time	-	-	370 h 22200 min 15.4 days	336 h 20160 min 14 days
3G talk time	29 h 1740 min 1.2 days	-	17 h 1020 min 0.7 days	28 h 1680 min 1.2 days
3G stand-by time	-	-	370 h 22200 min 15.4 days	336 h 20160 min 14 days
4G stand-by time	-	-	320 h 19200 min 13.3 days	-
Charger output power	5 V / 2 A 9 V / 1.67 A	5 V / 2 A 9 V / 2 A	-	9 V / 1.67 A
Quick charge technology	-	Qualcomm Quick Charge 3.0	-	Qualcomm Quick Charge 2.0
Features	Wireless charging Fast charging Non-removable	Fast charging Non-removable	Wireless charging Removable	Wireless charging Fast charging Non-removable
	Qi/PMA wireless charging	-	Wireless charging - market dependent	Qi/PMA wireless charging

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)	-	0.551 W/kg	0.734 W/kg	-
Body SAR (EU)	-	1.247 W/kg	0.754 W/kg	0.182 W/kg
Head SAR (USA)	0.53 W/kg	1.145 W/kg	1.216 W/kg	0.71 W/kg
Body SAR (USA)	0.75 W/kg	1.26 W/kg	1.659 W/kg	1.08 W/kg
Head SAR (India)	-	0.527 W/kg	-	-
Body SAR (India)	-	0.722 W/kg	-	-

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

Additional features

SM-G950N - SAR (Specific Absorption Rate) US: head - 0.240 W/kg; body - 0.480 W/kg
SM-G950U - SAR (Specific Absorption Rate) US: head - 0.570 W/kg; body - 0.480 W/kg

M1906F9SI - SAR (Specific Absorption Rate) India: head - 0.527 W/kg; body - 0.722 W/kg
P2i nano-coating

SHV-E330S - SAR (Specific Absorption Rate) EU: head - 0.439 W/kg; body - 0.309 W/kg
SHV-E330S - SAR (Specific Absorption Rate) US: head - 0.518 W/kg; body - 0.744 W/kg

SM-N920F - SAR (Specific Absorption Rate) EU: head - 0.216 W/kg; body - 0.580 W/kg
SM-N920F - SAR (Specific Absorption Rate) US: head - 1.22 W/kg; body - 1.48 W/kg
SM-G928V - SAR (Specific Absorption Rate) EU: head - 0.202 W/kg; body - 0.464 W/kg
SM-G928V - SAR (Specific Absorption Rate) US: head - 1.25 W/kg; body - 1.42 W/kg

Samsung Galaxy S8 SD835

Xiaomi Mi A3

Samsung Galaxy S4 I9506

Samsung Galaxy S6 Edge+

Xiaomi Mi 10i

Xiaomi Mi 9X

Huawei Ascend Y600

Huawei Ascend Mate7

Xiaomi 12S