Comparison between:
- UMIDIGI Z2 Special Edition
- Huawei Honor 8x
- Cubot P20
- Xiaomi Mi A2

Brand and model

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

UMIDIGI Z2 Special EditionHuawei Honor 8xCubot P20Xiaomi Mi A2
UMIDIGI Z2 Special Edition
Prices
Huawei Honor 8x
Prices
Cubot P20
Prices
Xiaomi Mi A2
Prices
Model aliasZ2 SEGlory 8x
JSN-L21
JSN-L22
JSN-L23
JSN-L42
JSN-LX1
JSN-LX2
JSN-LX3
--

Design

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

Width74.4 mm
7.44 cm
0.244 ft
2.929 in
76.6 mm
7.66 cm
0.251 ft
3.016 in
75.25 mm
7.525 cm
0.247 ft
2.963 in
75.4 mm
7.54 cm
0.247 ft
2.969 in
Height153.4 mm
15.34 cm
0.503 ft
6.039 in
160.4 mm
16.04 cm
0.526 ft
6.315 in
156.25 mm
15.625 cm
0.513 ft
6.152 in
158.7 mm
15.87 cm
0.521 ft
6.248 in
Thickness8.3 mm
0.83 cm
0.027 ft
0.327 in
7.8 mm
0.78 cm
0.026 ft
0.307 in
8.5 mm
0.85 cm
0.028 ft
0.335 in
7.3 mm
0.73 cm
0.024 ft
0.287 in
Weight165 g
0.36 lbs
5.82 oz
175 g
0.39 lbs
6.17 oz
167 g
0.37 lbs
5.89 oz
168 g
0.37 lbs
5.93 oz
Volume94.73 cm³
5.75 in³
95.84 cm³
5.82 in³
99.94 cm³
6.07 in³
87.35 cm³
5.3 in³
ColorsBlack
Blue
Purple
Black
Blue
Red
Lilac
Black
Blue
Black
Blue
Gold
Body materialsAluminium alloy
Glass
Aluminium alloy
Glass
Aluminium alloy
Polycarbonate
Aluminium alloy

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 / microSD
Nano-SIM
Nano-SIMNano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards2222
Features-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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz
CDMA 1900 MHz
CDMA 800 MHz--
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-W-CDMA 900 MHz
W-CDMA 2100 MHz
-
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
--
UMTS-UMTS 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 700 MHz Class 13
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 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-TDD 2000 MHz (B34)
LTE 700 MHz (B12)
LTE 800 MHz (B18)
LTE 800 MHz (B19)
LTE 1900 MHz (B25)
LTE 850 MHz (B26)
LTE 700 MHz (B28)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
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)

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 7
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12

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 OreoAndroid 8.1 Oreo
Android 9.0 Pie
Android 8.0 OreoAndroid 8.1 Oreo
Android 9.0 Pie
User interface (UI)-EMUI 8.2
EMUI 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.

SoCMediaTek Helio P23 (MT6763V)Huawei HiSilicon KIRIN 710MediaTek MT6750TQualcomm Snapdragon 660 MSM8976 Plus
Process technology16 nm12 nm28 nm14 nm
CPU4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A534x 2.2 GHz ARM Cortex-A73, 4x 1.7 GHz ARM Cortex-A534x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A534x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8
Level 1 cache memory (L1)--32 KB + 32 KB-
Level 2 cache memory (L2)--512 KB
0.5 MB
-
CPU cores8888
CPU frequency2000 MHz2200 MHz1500 MHz2200 MHz
GPUARM Mali-G71 MP2ARM Mali-G51 MP4ARM Mali-T860 MP2Qualcomm Adreno 512
GPU cores242-
GPU frequency700 MHz1000 MHz650 MHz650 MHz
RAM capacity4 GB4 GB
6 GB
4 GB4 GB
6 GB
RAM typeLPDDR4X-LPDDR3LPDDR4X
RAM channelsDouble channel-Single channelDouble channel
RAM frequency1600 MHz-833 MHz1866 MHz
-GPU Turbo--

Storage

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

Storage64 GB128 GB64 GB32 GB
64 GB
128 GB
eMMC 5.1--eMMC 5.1

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/technologyIPSIPSIPSIPS
Diagonal size6.2 in
157.48 mm
15.75 cm
6.5 in
165.1 mm
16.51 cm
6.18 in
156.97 mm
15.7 cm
5.99 in
152.15 mm
15.21 cm
Width2.69 in
68.25 mm
6.82 cm
2.72 in
69.19 mm
6.92 cm
2.68 in
68.02 mm
6.8 cm
2.68 in
68.04 mm
6.8 cm
Height5.59 in
141.92 mm
14.19 cm
5.9 in
149.9 mm
14.99 cm
5.57 in
141.47 mm
14.15 cm
5.36 in
136.08 mm
13.61 cm
Aspect ratio2.08:12.167:12.08:12:1
2:1 (18:9)
Resolution1080 x 2246 pixels1080 x 2340 pixels1080 x 2246 pixels1080 x 2160 pixels
Pixel density402 ppi
158 ppcm
396 ppi
155 ppcm
403 ppi
158 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area85.14 %84.68 %82.11 %77.63 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
1500:1 contrast ratio
450 cd/m²
Corning Gorilla Glass 3
2.5D curved glass screen
COF (Chip-On-Flex)
1200:1 contrast ratio
430 cd/m²
2.5D curved glass screen
1300:1 contrast ratio
450 cd/m²
90% NTSC
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
500 cd/m²
85% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
---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 modelSamsung S5K2P7-Samsung S5K3P3Sony IMX486 Exmor RS
Sensor typeISOCELLCMOS BSIISOCELLCMOS
Sensor size--4.74 x 3.56 mm
0.23 in
-
Sensor format1/2.8"--1/2.9"
Pixel size1.12 µm
0.001120 mm
-1.029 µm
0.001029 mm
1.25 µm
0.001250 mm
Crop factor--7.29-
ISO100 - 160050 - 3200100 - 1600-
Aperturef/1.7f/1.8f/2f/1.75
Focal length and 35 mm equivalent3.5 mm3.96 mm
27 mm *(35 mm / full frame)
3.5 mm
25.53 mm *(35 mm / full frame)
4.07 mm
Number of lenses665-
Flash typeDual LEDLEDDual LEDDual LED
Image resolution4672 x 3504 pixels
16.37 MP
5120 x 3840 pixels
19.66 MP
4608 x 3456 pixels
15.93 MP
4000 x 3000 pixels
12 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps60 fps30 fps30 fps
FeaturesAutofocus
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)
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
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
Phase detection autofocus (PDAF)
Secondary rear camera - 8 MP
Sensor model - Samsung S5K4H7 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
720p @ 480 fps
Secondary rear camera - 2 MP
Flash - 1A
Interpolated resolution - 20 MP
Secondary rear camera - 2 MP (interpolated from 0.3 MP)
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)

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 IMX371 Exmor RS-GalaxyCore GC8024Sony IMX376 Exmor RS
Sensor typeCMOSCMOS BSICMOS BSICMOS BSI
Sensor size--3.67 x 2.76 mm
0.18 in
-
Sensor format1/3"--1/2.78"
Pixel size1 µm
0.001000 mm
-1.124 µm
0.001124 mm
1 µm
0.001000 mm
Crop factor--9.42-
Aperturef/2f/2f/2.8f/2.2
Focal length and 35 mm equivalent3.5 mm3.6 mm
26 mm *(35 mm / full frame)
3.5 mm
32.98 mm *(35 mm / full frame)
3.82 mm
Number of lenses5-4-
Auxiliary light---LED
Image resolution4672 x 3504 pixels
16.37 MP
4608 x 3456 pixels
15.93 MP
3264 x 2446 pixels
7.98 MP
5184 x 3880 pixels
20.11 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlock---
Secondary front camera - 8 MP (interpolated from 0.3 MP)
Sensor model - SuperPix SP0A09 (#2)
Sensor size - 1.28 x 0.96 mm (#2)
-Interpolated resolution - 13 MPPixel 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--Headphone adapter

Radio

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

RadioYesYesYesNo
RDS-RDS-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
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
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
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
Wi-Fi Display
-2x2 MiMO-2x2 MiMO

Bluetooth

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

Version4.24.24.05.0
FeaturesA2DP
HID
A2DP
EDR
LE
A2DPA2DP
HID

USB

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

Connector typeUSB Type-CMicro USBMicro USBUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
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 jackNoYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Infrared
Tethering
VoLTE
-JSN-L21 - NFC--

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+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
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
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MP4
VP8
VP9
WebM
WMV
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
WMV
WMV9
Xvid
3GPP
AVI
H.263
H.264
H.265
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.

Capacity3850 mAh3750 mAh4000 mAh3010 mAh
TypeLi-PolymerLi-PolymerLi-IonLi-Polymer
2G talk time--30 h
1800 min
1.3 days
-
2G stand-by time--243 h
14580 min
10.1 days
-
3G talk time--30 h
1800 min
1.3 days
-
3G stand-by time--243 h
14580 min
10.1 days
-
Charger output power5 V / 2 A
9 V / 2 A
12 V / 1.5 A
5 V / 2 A5 V / 2 A5 V / 2 A
Quick charge technologyMediaTek Pump Express Plus--Qualcomm Quick Charge 3.0
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
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
Body SAR (EU)---0.639 W/kg
Head SAR (USA)---1.16 W/kg
Body SAR (USA)---0.66 W/kg

Additional features

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

Additional features-JSN-L42 - SAR (Specific Absorption Rate) India: head - 0.72 W/kg-M1804D2SI - SAR (Specific Absorption Rate) India: head - 1.092 W/kg; body - 0.259 W/kg
 UMIDIGI Z2 Special EditionHuawei Honor 8xCubot P20Xiaomi Mi A2