Comparison between:
- Teclast X98 Plus II Dual OS
- Chuwi V89
- Teclast X80 Plus Dual OS
- Onda V919 3G Air Z3735

Brand and model

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

Teclast X98 Plus II Dual OSChuwi V89Teclast X80 Plus Dual OSOnda V919 3G Air Z3735
Teclast X98 Plus II Dual OS
Prices
Chuwi V89Teclast X80 Plus Dual OSOnda V919 3G Air Z3735
Model alias"X98 Plus II" Dual Boot
C2D4
C2E3
-X80+ Dual OS
X80 Plus Dual boot
X80+ Dual boot
-

Design

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

Width240 mm
24 cm
0.79 ft
9.45 in
233.2 mm
23.32 cm
0.77 ft
9.18 in
208.6 mm
20.86 cm
0.68 ft
8.21 in
239 mm
23.9 cm
0.78 ft
9.41 in
Height178 mm
17.8 cm
0.58 ft
7.01 in
148.2 mm
14.82 cm
0.49 ft
5.83 in
122.4 mm
12.24 cm
0.4 ft
4.82 in
169 mm
16.9 cm
0.55 ft
6.65 in
Thickness8.5 mm
0.85 cm
0.03 ft
0.33 in
8 mm
0.8 cm
0.03 ft
0.31 in
8.9 mm
0.89 cm
0.03 ft
0.35 in
8 mm
0.8 cm
0.03 ft
0.31 in
Weight554 g
1.22 lbs
19.55 oz
441 g
0.97 lbs
15.56 oz
328 g
0.72 lbs
11.57 oz
450 g
0.99 lbs
15.87 oz
Volume363.12 cm³
22.05 in³
276.48 cm³
16.79 in³
227.24 cm³
13.8 in³
323.13 cm³
19.62 in³
ColorsGrayWhiteWhiteGold
Body materialsMetal
Plastic
-PlasticMetal

SIM card

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

SIM card type-Micro-SIM-Micro-SIM
Number of SIM cards-1-1

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSM-GSM 900 MHz
GSM 1800 MHz
-GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMA-W-CDMA 2100 MHz-W-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 2100 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 technologies-UMTS
EDGE
GPRS
HSPA+
-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 5.1.1 Lollipop
Microsoft Windows 10 Home Edition
Android 4.4.4 KitKat
Microsoft Windows 8.1
Android 5.1 Lollipop
Microsoft Windows 10
Android 4.4.2 KitKat
Android 5.1 Lollipop
Microsoft Windows 10

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.

SoCIntel Atom x5-Z8300Intel Atom Z3735FIntel Atom x5-Z8300Intel Atom Z3735F
Process technology14 nm22 nm14 nm22 nm
CPUIntel Cherry TrailIntel Bay TrailIntel Cherry TrailIntel Bay Trail
CPU bits64 bit64 bit64 bit64 bit
Instruction setIA-32 (x86), IA-64 (x64)IA-32 (x86), IA-64 (x64)IA-32 (x86), IA-64 (x64)IA-32 (x86), IA-64 (x64)
Level 1 cache memory (L1)24 KB + 32 KB24 KB + 32 KB24 KB + 32 KB24 KB + 32 KB
Level 2 cache memory (L2)2048 KB
2 MB
2048 KB
2 MB
2048 KB
2 MB
2048 KB
2 MB
CPU cores4444
CPU frequency1840 MHz1830 MHz1840 MHz1830 MHz
GPUIntel HD GraphicsIntel HD GraphicsIntel HD GraphicsIntel HD Graphics
GPU frequency500 MHz646 MHz500 MHz646 MHz
RAM capacity2 GB
4 GB
2 GB2 GB2 GB
RAM typeLPDDR3L-RSLPDDR3L-RSLPDDR3L-RSLPDDR3L-RS
RAM channelsSingle channelSingle channelSingle channelSingle channel
RAM frequency1600 MHz1333 MHz1600 MHz1333 MHz
C2D4 - 4 GB RAM
C2E3 - 2 GB RAM
---

Storage

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

Storage32 GB
64 GB
32 GB
64 GB
32 GB64 GB
eMMC
C2D4 - 64 GB
C2E3 - 16 GB
-eMMCeMMC

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
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/technologyIPSIPSIPSIGZO
Diagonal size9.7 in
246.38 mm
24.64 cm
8.9 in
226.06 mm
22.61 cm
8 in
203.2 mm
20.32 cm
9.7 in
246.38 mm
24.64 cm
Width7.76 in
197.1 mm
19.71 cm
7.55 in
191.7 mm
19.17 cm
6.78 in
172.31 mm
17.23 cm
7.76 in
197.1 mm
19.71 cm
Height5.82 in
147.83 mm
14.78 cm
4.72 in
119.81 mm
11.98 cm
4.24 in
107.7 mm
10.77 cm
5.82 in
147.83 mm
14.78 cm
Aspect ratio1.333:1
4:3
1.6:1
16:10
1.6:1
16:10
1.333:1
4:3
Resolution2048 x 1536 pixels1920 x 1200 pixels1280 x 800 pixels2048 x 1536 pixels
Pixel density264 ppi
103 ppcm
254 ppi
99 ppcm
189 ppi
74 ppcm
264 ppi
103 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area68.43 %66.67 %72.92 %72.37 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
-OGS (One Glass Solution)
Full Lamination Technology
Viewing angle - 178°Display manufacturer - Sharp

Sensors

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

SensorsAccelerometerAccelerometerAccelerometerAccelerometer

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 typeCMOSCMOSCMOSCMOS BSI
Aperturef/2.5---
Focal length and 35 mm equivalent2.48 mm---
Image resolution1600 x 1200 pixels
1.92 MP
2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
Video resolution1280 x 720 pixels
0.92 MP
---
Video FPS30 fps---
FeaturesAutofocus
Digital zoom
Touch focus
Face detection
Digital zoomDigital zoom
Face detection
Self-timer
Autofocus

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/2.5---
Focal length and 35 mm equivalent2.48 mm---
Image resolution1600 x 1200 pixels
1.92 MP
-640 x 480 pixels
0.31 MP
1600 x 1200 pixels
1.92 MP
Video resolution--640 x 480 pixels
0.31 MP
-
Video FPS--30 fps-

Audio

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

SpeakerLoudspeaker
Stereo speakers
Loudspeaker
Stereo speakers
LoudspeakerLoudspeaker
Stereo speakers

Radio

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

RadioNoNoNoNo

Tracking/Positioning

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

Tracking/Positioning-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 Display
802.11b
802.11g
802.11n
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Display
802.11b
802.11g
802.11n
Wi-Fi Display

Bluetooth

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

Version4.04.04.04.0
FeaturesA2DPA2DPA2DP
EDR
A2DP
LE

USB

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

Connector typeMicro USBMicro USBMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMIMicro HDMI (Type D)-Micro HDMI (Type D)-

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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Computer 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
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
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
FLAC
MP3
OGG
WMA
WAV
AAC
AMR
AMR-WB
eAAC+
FLAC
MIDI
OGG
WMA
WAV
AAC
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
Flash Video
H.263
H.264
MKV
QuickTime
WMV
3GPP
AVI
H.263
H.264
H.265
MP4
WMV
Xvid
3GPP
AVI
DivX
MKV
MP4
WMV
Xvid
3GPP
AVI
Flash Video
H.264
H.265
MKV
QuickTime
MP4

Battery

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

Capacity8000 mAh6400 mAh3800 mAh7200 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
Charger output power5 V / 2.5 A---
FeaturesNon-removableNon-removableNon-removableNon-removable
Battery life - up to 8 h-Battery life - up to 5 h-
 Teclast X98 Plus II Dual OSChuwi V89Teclast X80 Plus Dual OSOnda V919 3G Air Z3735