Comparison between:
- Samsung Galaxy A9 (2018)
- Samsung Galaxy J3 (2017)
- KXD A9

Brand and model

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

Samsung Galaxy A9 (2018)Samsung Galaxy J3 (2017)KXD A9
Samsung Galaxy A9 (2018)
Prices
Samsung Galaxy J3 (2017)
Prices
KXD A9
Model aliasSM-A920F
A920F
SM-J330FN
J330FN
-

Design

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

Width77 mm
7.7 cm
0.25 ft
3.03 in
70.3 mm
7.03 cm
0.23 ft
2.77 in
-
Height162.5 mm
16.25 cm
0.53 ft
6.4 in
143.2 mm
14.32 cm
0.47 ft
5.64 in
-
Thickness7.8 mm
0.78 cm
0.03 ft
0.31 in
8.2 mm
0.82 cm
0.03 ft
0.32 in
-
Weight183 g
0.4 lbs
6.46 oz
142 g
0.31 lbs
5.01 oz
-
Volume97.6 cm³
5.93 in³
82.55 cm³
5.01 in³
-
ColorsBlack
Blue
Pink
Black
Blue
Gold
Blue
Red
Body materialsPolycarbonate
Aluminium alloy
Aluminium alloyPlastic

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-SIM
Nano-SIM / microSD
Number of SIM cards212
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)

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
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)
CDMACDMA 800 MHz--
W-CDMA--W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
-
LTELTE 900 MHz
LTE 1700/2100 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)
LTE 700 MHz Class 17
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 2300 MHz (B40)
LTE-TDD 2600 MHz (B38)
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)

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 9
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
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 8.0 Oreo
Android 9.0 Pie
Android 7.0 Nougat
Android 8.0 Oreo
Android 9.0 Pie
User interface (UI)Experience 9.0--

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 660 MSM8976 PlusSamsung Exynos 7 Quad 7570MediaTek MT6739
Process technology14 nm14 nm28 nm
CPU4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8-A
CPU cores844
CPU frequency2200 MHz1400 MHz1500 MHz
GPUQualcomm Adreno 512ARM Mali-T720PowerVR GE8100
GPU frequency--570 MHz
RAM capacity6 GB
8 GB
2 GB2 GB
RAM typeLPDDR4XLPDDR3LPDDR3
RAM channelsDouble channel-Single channel
RAM frequency1866 MHz--

Storage

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

Storage128 GB16 GB16 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

Display

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

Type/technologySuper AMOLEDPLSIPS
Diagonal size6.3 in
160.02 mm
16 cm
5 in
127 mm
12.7 cm
6.22 in
157.99 mm
15.8 cm
Width2.76 in
70 mm
7 cm
2.45 in
62.26 mm
6.23 cm
2.65 in
67.34 mm
6.73 cm
Height5.67 in
143.9 mm
14.39 cm
4.36 in
110.69 mm
11.07 cm
5.63 in
142.92 mm
14.29 cm
Aspect ratio2.056:11.778:1
16:9
2.122:1
Resolution1080 x 2220 pixels720 x 1280 pixels720 x 1528 pixels
Pixel density392 ppi
154 ppcm
294 ppi
115 ppcm
272 ppi
106 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area80.76 %68.68 %-
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
Always-On Display
400 cd/m²
-In-cell

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
Gyroscope
Proximity
Accelerometer
Compass

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 typeCMOSCMOS-
ISO100 - 800--
Aperturef/1.7f/1.9f/2
Focal length and 35 mm equivalent3.93 mm
27 mm *(35 mm / full frame)
--
Number of lenses--4
Flash typeLEDLEDLED
Image resolution5664 x 4248 pixels
24.06 MP
4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
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
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Panorama
Touch focus
Secondary rear camera - 10 MP (telephoto)
Aperture size - f/2.4 (#2)
Third rear camera - 8 MP (ultra-wide angle)
Aperture size - f/2.4 (#3)
Angle of view - 120° (#3)
Fourth rear camera - 5 MP
Aperture size - f/2.2 (#4)
-Secondary rear camera - 0.3MP

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.

Aperturef/2f/2.2f/2
Focal length and 35 mm equivalent3.89 mm
26 mm *(35 mm / full frame)
--
Number of lenses--4
Image resolution5664 x 4248 pixels
24.06 MP
2592 x 1944 pixels
5.04 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
-1920 x 1080 pixels
2.07 MP
Video FPS30 fps-30 fps
Features--Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Dolby AtmosHAC (M3/T3) - Hearing Aid Compatibility-

Radio

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

RadioYesYesYes

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

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
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
VHT80 MU-MiMO--

Bluetooth

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

Version5.04.24.0
FeaturesA2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
AVRCP
EDR
HDP
HFP
HID
MAP
OPP
PBAP
SPP
A2DP

USB

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

Connector typeUSB Type-CMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
aptX
aptX HD
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
eAAC+
MP3
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
MKV
MP4
WebM
WMV
3GPP
AVI
H.263
H.264
MKV
MP4
WMV
H.264
MP4

Battery

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

Capacity3800 mAh2400 mAh3000 mAh
TypeLi-PolymerLi-IonLi-Ion
2G talk time-15 h
900 min
0.6 days
18 h
1080 min
0.8 days
2G stand-by time--264 h
15840 min
11 days
3G talk time-15 h
900 min
0.6 days
18 h
1080 min
0.8 days
3G stand-by time--264 h
15840 min
11 days
FeaturesFast charging
Non-removable
Non-removableNon-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)0.351 W/kg0.658 W/kg-
Body SAR (EU)1.587 W/kg1.32 W/kg-
Head SAR (USA)0.27 W/kg--
Body SAR (USA)0.84 W/kg--
 Samsung Galaxy A9 (2018)Samsung Galaxy J3 (2017)KXD A9