Comparison between:
- Xiaomi Mi Pad 4 Plus
- Chuwi Hi9 Plus
- Teclast T20

Brand and model

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

Xiaomi Mi Pad 4 PlusChuwi Hi9 PlusTeclast T20
Xiaomi Mi Pad 4 Plus
Prices
Chuwi Hi9 Plus
Prices
Teclast T20
Prices
Model aliasMi Pad4 Plus
Mi Pad 4+
Mi Pad4+
Mi Pad 4Plus
Mi Pad4Plus
Hi 9 Plus
Hi9+
Hi 9+
Hi9Plus
-

Design

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

Width245.6 mm
24.56 cm
0.81 ft
9.67 in
266.4 mm
26.64 cm
0.87 ft
10.49 in
239 mm
23.9 cm
0.78 ft
9.41 in
Height149.08 mm
14.91 cm
0.49 ft
5.87 in
177 mm
17.7 cm
0.58 ft
6.97 in
166.9 mm
16.69 cm
0.55 ft
6.57 in
Thickness7.99 mm
0.8 cm
0.03 ft
0.31 in
8.4 mm
0.84 cm
0.03 ft
0.33 in
7.5 mm
0.75 cm
0.02 ft
0.3 in
Weight485 g
1.07 lbs
17.11 oz
550 g
1.21 lbs
19.4 oz
550 g
1.21 lbs
19.4 oz
Volume292.55 cm³
17.77 in³
396.08 cm³
24.05 in³
299.17 cm³
18.17 in³
ColorsBlack
Rose-gold
White
Silver
Silver
Body materialsMetalMetal
Plastic
Aluminium alloy
Plastic

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-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Number of SIM cards122

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 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMA-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 2100 MHz
TD-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTSUMTS 900 MHz
UMTS 2100 MHz
--
LTELTE 850 MHz
LTE 900 MHz
LTE 1800 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 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE 1800 MHz
LTE 2100 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
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 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
TD-SCDMA
TD-HSDPA
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)MIUI V9.6 (Android 8.1 Oreo)
MIUI (Android 9.0 Pie)
Android 8.0 OreoAndroid 7.1.1 Nougat

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 PlusMediaTek Helio X27 (MT6797X)MediaTek Helio X27 (MT6797X)
Process technology14 nm20 nm20 nm
CPU4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2602x 2.6 GHz ARM Cortex-A72, 4x 2.0 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A532x 2.6 GHz ARM Cortex-A72, 4x 2.0 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8-A
CPU cores81010
CPU frequency2200 MHz2600 MHz2600 MHz
GPUQualcomm Adreno 512ARM Mali-T880 MP4ARM Mali-T880 MP4
GPU cores-44
GPU frequency-875 MHz875 MHz
RAM capacity4 GB4 GB4 GB
RAM typeLPDDR4XLPDDR3LPDDR3
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1866 MHz800 MHz800 MHz

Storage

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

Storage64 GB
128 GB
64 GB64 GB
eMMC 5.1eMMC 5.1eMMC

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 size10.1 in
256.54 mm
25.65 cm
10.8 in
274.32 mm
27.43 cm
10.1 in
256.54 mm
25.65 cm
Width8.56 in
217.55 mm
21.75 cm
9.16 in
232.62 mm
23.26 cm
8.56 in
217.55 mm
21.75 cm
Height5.35 in
135.97 mm
13.6 cm
5.72 in
145.39 mm
14.54 cm
5.35 in
135.97 mm
13.6 cm
Aspect ratio1.6:1
16:10
1.6:1
16:10
1.6:1
16:10
Resolution1920 x 1200 pixels2560 x 1600 pixels2560 x 1600 pixels
Pixel density224 ppi
88 ppcm
280 ppi
110 ppcm
299 ppi
117 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area81.05 %71.96 %74.39 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
1000:1 contrast ratio2.5D curved glass screen
OGS (One Glass Solution)
Full Lamination Technology
Display manufacturer - Sharp
OGS (One Glass Solution)
Oleophobic (lipophobic) coating
400 cd/m²
Viewing angle - 178°

Sensors

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

SensorsLight
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
AccelerometerLight
Accelerometer
Fingerprint

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor modelOmniVision OV13855SamsungSamsung
Sensor typePureCelISOCELLISOCELL
Sensor size4.75 x 3.54 mm
0.23 in
--
Pixel size1.142 µm
0.001142 mm
--
Crop factor7.31--
Aperturef/2-f/2
Flash type-LED-
Image resolution4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 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
Digital zoom
Self-timer
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor modelSamsung S5K5E8--
Sensor typeCMOS BSI--
Sensor size2.9 x 2.15 mm
0.14 in
--
Pixel size1.133 µm
0.001133 mm
--
Crop factor11.99--
Aperturef/2--
Image resolution2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
Face unlock-Angle of view - 82.2°

Audio

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

SpeakerLoudspeakerLoudspeakerLoudspeaker
Stereo speakers
--Awinic AW8736 (6-th generation Class K audio amplifier)

Radio

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

Radio-No-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
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
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Direct
2x2 MiMO--

Bluetooth

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

Version5.04.14.1
FeaturesA2DP
HID
A2DPA2DP

USB

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

Connector typeUSB Type-CUSB Type-CUSB Type-C
Version2.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
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
Infrared
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
AAC+
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
M4A
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
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
Xvid
3GPP
AVI
DivX
MKV
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
H.263
H.264
MP4
WebM
WMV

Battery

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

Capacity8620 mAh7000 mAh8100 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
2G stand-by time-360 h
21600 min
15 days
-
3G stand-by time-360 h
21600 min
15 days
-
Charger output power5 V / 2 A5 V / 2 A5 V / 2.5 A
9 V / 2.5 A
FeaturesNon-removableNon-removableNon-removable

Additional features

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

Additional features-Stylus pen (1024 pressure levels)
Docking connector
-
 Xiaomi Mi Pad 4 PlusChuwi Hi9 PlusTeclast T20