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

Brand and model

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

Onda V919 3G Air Z3735Teclast X98 Air 3GChuwi V89Teclast X80 Plus Dual OS
Onda V919 3G Air Z3735Teclast X98 Air 3GChuwi V89Teclast X80 Plus Dual OS
Model alias---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.

Width239 mm
23.9 cm
0.784 ft
9.409 in
240 mm
24 cm
0.787 ft
9.449 in
233.2 mm
23.32 cm
0.765 ft
9.181 in
208.6 mm
20.86 cm
0.684 ft
8.213 in
Height169 mm
16.9 cm
0.554 ft
6.654 in
169 mm
16.9 cm
0.554 ft
6.654 in
148.2 mm
14.82 cm
0.486 ft
5.835 in
122.4 mm
12.24 cm
0.402 ft
4.819 in
Thickness8 mm
0.8 cm
0.026 ft
0.315 in
7.4 mm
0.74 cm
0.024 ft
0.291 in
8 mm
0.8 cm
0.026 ft
0.315 in
8.9 mm
0.89 cm
0.029 ft
0.35 in
Weight450 g
0.99 lbs
15.87 oz
498 g
1.1 lbs
17.57 oz
441 g
0.97 lbs
15.56 oz
328 g
0.72 lbs
11.57 oz
Volume323.13 cm³
19.62 in³
300.14 cm³
18.23 in³
276.48 cm³
16.79 in³
227.24 cm³
13.8 in³
ColorsGoldGrayWhiteWhite
Body materialsMetalMetal
Plastic
-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-SIMMini-SIMMicro-SIM-
Number of SIM cards111-

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 900 MHz
GSM 1800 MHz
GSM 900 MHz
GSM 1800 MHz
-
W-CDMAW-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 2100 MHzW-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 technologiesUMTS
EDGE
GPRS
HSPA+
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 4.4.2 KitKat
Android 5.1 Lollipop
Microsoft Windows 10
Android 4.4.2 KitKat
Android 5.0 Lollipop
Microsoft Windows 8.1
Microsoft Windows 10
Android 4.4.4 KitKat
Microsoft Windows 8.1
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 Z3735FIntel Atom Z3736FIntel Atom Z3735FIntel Atom x5-Z8300
Process technology22 nm22 nm22 nm14 nm
CPUIntel Bay TrailIntel Bay TrailIntel Bay TrailIntel Cherry 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 frequency1830 MHz2160 MHz1830 MHz1840 MHz
GPUIntel HD GraphicsIntel Gen 7Intel HD GraphicsIntel HD Graphics
GPU frequency646 MHz646 MHz646 MHz500 MHz
RAM capacity2 GB2 GB2 GB2 GB
RAM typeLPDDR3L-RSLPDDR3L-RS-1333LPDDR3L-RSLPDDR3L-RS
RAM channelsSingle channel-Single channelSingle channel
RAM frequency1333 MHz-1333 MHz1600 MHz

Storage

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

Storage64 GB32 GB
64 GB
32 GB
64 GB
32 GB
eMMCeMMC 4.5-eMMC

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/technologyIGZOIPSIPSIPS
Diagonal size9.7 in
246.38 mm
24.64 cm
9.7 in
246.38 mm
24.64 cm
8.9 in
226.06 mm
22.61 cm
8 in
203.2 mm
20.32 cm
Width7.76 in
197.1 mm
19.71 cm
7.76 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
Height5.82 in
147.83 mm
14.78 cm
5.82 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
Aspect ratio1.333:1
4:3
1.333:1
4:3
1.6:1
16:10
1.6:1
16:10
Resolution2048 x 1536 pixels2048 x 1536 pixels1920 x 1200 pixels1280 x 800 pixels
Pixel density264 ppi
103 ppcm
264 ppi
103 ppcm
254 ppi
99 ppcm
189 ppi
74 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.37 %72.07 %66.67 %72.92 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Display manufacturer - Sharp93% NTSC
300 cd/m²
OGS (One Glass Solution)
Full Lamination Technology
Viewing angle - 178°

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 model-OmniVision OV5648--
Sensor typeCMOS BSICMOS BSI+CMOSCMOS
Sensor size-3.67 x 2.74 mm
0.18 in
--
Pixel size-1.417 µm
0.001417 mm
--
Crop factor-9.44--
Image resolution1600 x 1200 pixels
1.92 MP
2592 x 1944 pixels
5.04 MP
2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
Video resolution-1280 x 720 pixels
0.92 MP
--
Video FPS-30 fps--
FeaturesAutofocusAutofocus
Touch focus
Face detection
Digital zoomDigital zoom
Face detection
Self-timer

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 resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
-640 x 480 pixels
0.31 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
LoudspeakerLoudspeaker
Stereo speakers
Loudspeaker

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

Bluetooth

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

Version4.04.04.04.0
FeaturesA2DP
LE
A2DPA2DPA2DP
EDR

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.

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

Battery

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

Capacity7200 mAh8500 mAh6400 mAh3800 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
FeaturesNon-removableNon-removableNon-removableNon-removable
-Battery life - up to 7 h-Battery life - up to 5 h
 Onda V919 3G Air Z3735Teclast X98 Air 3GChuwi V89Teclast X80 Plus Dual OS