Comparison between:
- Digma Plane 1573N 4G
- Digma Plane 1581 3G
- Irbis TZ151

Brand and model

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

Digma Plane 1573N 4GDigma Plane 1581 3GIrbis TZ151
Digma Plane 1573N 4GDigma Plane 1581 3GIrbis TZ151
Model aliasPS1189ML--

Design

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

Width243 mm
24.3 cm
0.797 ft
9.567 in
243 mm
24.3 cm
0.797 ft
9.567 in
253.6 mm
25.36 cm
0.832 ft
9.984 in
Height173 mm
17.3 cm
0.568 ft
6.811 in
173 mm
17.3 cm
0.568 ft
6.811 in
174 mm
17.4 cm
0.571 ft
6.85 in
Thickness9 mm
0.9 cm
0.03 ft
0.354 in
9 mm
0.9 cm
0.03 ft
0.354 in
12.9 mm
1.29 cm
0.042 ft
0.508 in
Weight540 g
1.19 lbs
19.05 oz
540 g
1.19 lbs
19.05 oz
615 g
1.36 lbs
21.69 oz
Volume378.35 cm³
22.98 in³
378.35 cm³
22.98 in³
569.23 cm³
34.57 in³
ColorsBlackBlackBlack
Body materialsPlasticPlastic
Metal
Plastic

SIM card

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

SIM card typeMicro-SIMMicro-SIM
Mini-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 900 MHz
GSM 1800 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
-
UMTSUMTS 2100 MHzUMTS 900 MHz
UMTS 2100 MHz
-
LTELTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
--

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 4
UMTS
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 7.0 NougatAndroid 8.1 OreoAndroid 8.1 Oreo Go Edition

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 MT8735VMediaTek MT8321Spreadtrum SC7731C
Process technology28 nm28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A7ARM Cortex-A7
CPU bits64 bit32 bit32 bit
Instruction setARMv8ARMv7ARMv7
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
256 KB
0.25 MB
512 KB
0.5 MB
CPU cores444
CPU frequency1000 MHz1300 MHz1200 MHz
GPUARM Mali-T720 MP2ARM Mali-400 MP2ARM Mali-400 MP1
GPU cores221
GPU frequency-500 MHz512 MHz
RAM capacity1 GB2 GB1 GB
RAM typeLPDDR3LPDDR3-
RAM channelsSingle channel--
RAM frequency640 MHz--

Storage

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

Storage16 GB32 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

Display

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

Type/technologyIPSIPSIPS
Diagonal size10.1 in
256.54 mm
25.65 cm
10.1 in
256.54 mm
25.65 cm
10.1 in
256.54 mm
25.65 cm
Width8.56 in
217.55 mm
21.75 cm
8.8 in
223.59 mm
22.36 cm
8.56 in
217.55 mm
21.75 cm
Height5.35 in
135.97 mm
13.6 cm
4.95 in
125.77 mm
12.58 cm
5.35 in
135.97 mm
13.6 cm
Aspect ratio1.6:1
16:10
1.778:1
16:9
1.6:1
16:10
Resolution1280 x 800 pixels1920 x 1080 pixels1280 x 800 pixels
Pixel density149 ppi
58 ppcm
218 ppi
85 ppcm
149 ppi
58 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area70.59 %67.11 %67.25 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch

Sensors

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

SensorsAccelerometerAccelerometerAccelerometer

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-
Flash typeLEDLED-
Image resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
HDR
Touch focus
Face detection
Scene mode
Continuous shooting
Digital zoom
Geotagging
HDR
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Digital zoom
Panorama
HDR
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode

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.

Image resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
Video resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps

Audio

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

SpeakerLoudspeakerLoudspeakerLoudspeaker
Earpiece

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
GPS
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
802.11b
802.11g
802.11n
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

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

Version4.04.04.2
FeaturesA2DPA2DPA2DP

USB

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

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
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
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering

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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
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
MP4
Xvid
3GPP
AVI
MP4
Xvid
3GPP
AVI
MP4

Battery

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

Capacity5000 mAh5000 mAh8000 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
Charger output power-5 V / 2 A-
FeaturesNon-removableNon-removableNon-removable
 Digma Plane 1573N 4GDigma Plane 1581 3GIrbis TZ151