Comparison between:
- Cubot X19 S
- Cubot Note 20
- UMIDIGI A7s

Brand and model

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

Cubot X19 SCubot Note 20UMIDIGI A7s
Cubot X19 SCubot Note 20
Prices
UMIDIGI A7s
Prices
Model aliasX19S--

Design

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

Width74.67 mm
7.467 cm
0.245 ft
2.94 in
77 mm
7.7 cm
0.253 ft
3.031 in
77.14 mm
7.714 cm
0.253 ft
3.037 in
Height155.06 mm
15.506 cm
0.509 ft
6.105 in
155.8 mm
15.58 cm
0.511 ft
6.134 in
164 mm
16.4 cm
0.538 ft
6.457 in
Thickness9.55 mm
0.955 cm
0.031 ft
0.376 in
9.1 mm
0.91 cm
0.03 ft
0.358 in
9.45 mm
0.945 cm
0.031 ft
0.372 in
Weight174 g
0.38 lbs
6.14 oz
200 g
0.44 lbs
7.05 oz
195 g
0.43 lbs
6.88 oz
Volume110.57 cm³
6.72 in³
109.17 cm³
6.63 in³
119.55 cm³
7.26 in³
ColorsBlack
Purple-Blue
Blue
Green
Black
Sky Blue
Peacock Green
Granite Gray
Body materialsPlasticPolycarbonatePlastic
Metal

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
Nano-SIMNano-SIM
Number of SIM cards222
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 (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)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
W-CDMAW-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
LTELTE-FDD 800 MHz (B20)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B19)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)

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 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6

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 10Android 10 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 Helio P23 (MT6763V)MediaTek Helio A22 (MT6761D)MediaTek MT6737
Process technology16 nm12 nm28 nm
CPU4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A53ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)--32 KB + 32 KB
Level 2 cache memory (L2)--512 KB
0.5 MB
CPU cores844
CPU frequency2000 MHz2000 MHz1250 MHz
GPUARM Mali-G71 MP2PowerVR GE8300ARM Mali-T720 MP1
GPU cores2-1
GPU frequency700 MHz-600 MHz
RAM capacity4 GB3 GB3 GB
RAM typeLPDDR4XLPDDR3-
RAM channelsDouble channelSingle channel-
RAM frequency1600 MHz933 MHz-

Storage

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

Storage32 GB64 GB32 GB
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/technologyIPSIPSIPS
Diagonal size5.93 in
150.62 mm
15.06 cm
6.5 in
165.1 mm
16.51 cm
6.53 in
165.86 mm
16.59 cm
Width2.65 in
67.36 mm
6.74 cm
2.67 in
67.75 mm
6.78 cm
2.68 in
68.06 mm
6.81 cm
Height5.3 in
134.72 mm
13.47 cm
5.93 in
150.56 mm
15.06 cm
5.95 in
151.25 mm
15.13 cm
Aspect ratio2:1
2:1 (18:9)
2.222:12.222:1
Resolution1080 x 2160 pixels720 x 1600 pixels720 x 1600 pixels
Pixel density407 ppi
159 ppcm
270 ppi
106 ppcm
269 ppi
105 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area78.63 %85.3 %81.64 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
GFF full lamination
1300:1 contrast ratio
450 cd/m²
90% NTSC
2.5D curved glass screen
In-cell
1300:1
450 cd/m²
90% NTSC
2.5D curved glass screen
In-cell

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
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
--Non-Contact Infrared Thermometer

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 modelOmniVision OV16880Sony IMX486Sony IMX398 Exmor RS
Sensor typePureCel-CMOS
Sensor size4.74 x 3.56 mm
0.23 in
-5.22 x 3.92 mm
0.26 in
Pixel size1.029 µm
0.001029 mm
-1.132 µm
0.001132 mm
Crop factor7.29-6.63
ISO100 - 1600--
Aperturef/2f/2f/1.8
Focal length and 35 mm equivalent3.57 mm
26.04 mm *(35 mm / full frame)
--
Number of lenses5-6
Flash typeDual LEDDual LEDDual LED
Image resolution4608 x 3456 pixels
15.93 MP
4096 x 3024 pixels
12.39 MP
4608 x 3456 pixels
15.93 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
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
HDR
Touch focus
Face detection
Self-timer
Scene mode
Autofocus
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)
Flash - 1.0A
Secondary rear camera - 2 MP
Secondary rear camera - 20MP (depth-sensing)
Sensor model - Sony IMX350 (#2)
Third rear camera - 2 MP (photo-sensitive)
Fourth rear camera - VGA
Available also with Samsung S5K2P7 (ISOCELL PLUS)
Secondary rear camera - 8 MP (ultra-wide angle)
Sensor model - Samsung S5K4H7 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Angle of view - 120° (#2)
Third rear camera - 5 MP (depth-sensing)

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 IMX219PQ Exmor R--
Sensor typeCMOS BSI-CMOS
Sensor size3.67 x 2.76 mm
0.18 in
--
Pixel size1.124 µm
0.001124 mm
--
Crop factor9.42--
Aperturef/2.2-f/1.8
Focal length and 35 mm equivalent2.83 mm
26.66 mm *(35 mm / full frame)
--
Number of lenses4-5
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
FeaturesFace unlockFace unlockFace unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYes
RDS--

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
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-Fi802.11a
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
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Display

Bluetooth

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

Version4.24.24.0
FeaturesA2DPA2DPHID

USB

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

Connector typeMicro USBMicro USBUSB Type-C
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
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 jackYesYesYes

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
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
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
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
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
WMV
WMV9
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
WMV
WMV9
Xvid
MKV
MP4
M4V
XVID

Battery

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

Capacity4000 mAh4200 mAh4150 mAh
TypeLi-PolymerLi-IonLi-Polymer
Charger output power5 V / 2 A5 V / 2 A5 V / 2 A
FeaturesNon-removableFast charging
Removable
Fast charging
Non-removable

Additional features

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

Additional features--Customizable Shortcut Key
 Cubot X19 SCubot Note 20UMIDIGI A7s