Comparison between:
- KXD A9
- KXD A8

Brand and model

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

KXD A9KXD A8
KXD A9KXD A8

Design

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

Width-71.5 mm
7.15 cm
0.23 ft
2.81 in
Height-146.8 mm
14.68 cm
0.48 ft
5.78 in
Thickness-9.5 mm
0.95 cm
0.03 ft
0.37 in
Weight-160 g
0.35 lbs
5.64 oz
Volume-99.71 cm³
6.06 in³
ColorsBlue
Red
Black
White
Body materialsPlasticPlastic

SIM card

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

SIM card typeNano-SIM
Nano-SIM / microSD
Micro-SIM
Nano-SIM
Number of SIM cards22
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 (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)
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
W-CDMA 900 MHz (B8)
W-CDMA 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)
-

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 technologiesEDGE
GPRS
HSPA+
LTE Cat 4
EDGE
GPRS
HSPA

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 9.0 PieAndroid 8.1 Oreo

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 MT6739MediaTek MT6580A
Process technology28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A7
CPU bits64 bit32 bit
Instruction setARMv8-AARMv7
Level 1 cache memory (L1)-32 KB + 32 KB
Level 2 cache memory (L2)-512 KB
0.5 MB
CPU cores44
CPU frequency1500 MHz1500 MHz
GPUPowerVR GE8100ARM Mali-400 MP2
GPU cores-2
GPU frequency570 MHz-
RAM capacity2 GB1 GB
RAM typeLPDDR3LPDDR3
RAM channelsSingle channelSingle channel

Storage

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

Storage16 GB16 GB

Memory cards

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

TypesmicroSD
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/technologyIPSIPS
Diagonal size6.22 in
157.99 mm
15.8 cm
5.71 in
145.03 mm
14.5 cm
Width2.65 in
67.34 mm
6.73 cm
2.44 in
62.05 mm
6.21 cm
Height5.63 in
142.92 mm
14.29 cm
5.16 in
131.09 mm
13.11 cm
Aspect ratio2.122:12.113:1
Resolution720 x 1528 pixels480 x 1014 pixels
Pixel density272 ppi
106 ppcm
196 ppi
77 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area-77.75 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
In-cell-

Sensors

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

SensorsProximity
Accelerometer
Compass
Proximity
Light
Gravity

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.

Aperturef/2f/2
Number of lenses4-
Flash typeLEDLED
Image resolution3264 x 2448 pixels
7.99 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 fps30 fps
FeaturesAutofocus
Panorama
Touch focus
Autofocus
Panorama
Touch focus
Secondary rear camera - 0.3MPSecondary 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
Number of lenses4-
Image resolution2560 x 1920 pixels
4.92 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 fps30 fps
FeaturesFace unlockFace unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS

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
802.11b
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.

Version4.04.0
FeaturesA2DPA2DP

USB

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

Connector typeMicro USBMicro USB
Version2.02.0
FeaturesCharging
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
VoLTE
Computer sync

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

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/codecseAAC+
MP3
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/codecsH.264
MP4
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.

Capacity3000 mAh2520 mAh
TypeLi-IonLi-Polymer
2G talk time18 h
1080 min
0.8 days
-
2G stand-by time264 h
15840 min
11 days
-
3G talk time18 h
1080 min
0.8 days
-
3G stand-by time264 h
15840 min
11 days
-
FeaturesNon-removableNon-removable
 KXD A9KXD A8