Comparison between:
- Chuwi Vi7
- Chuwi Vi8
- Chuwi V88HD

Brand and model

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

Chuwi Vi7Chuwi Vi8Chuwi V88HD
Chuwi Vi7Chuwi Vi8Chuwi V88HD

Design

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

Width189 mm
18.9 cm
0.62 ft
7.441 in
207.4 mm
20.74 cm
0.68 ft
8.165 in
200.6 mm
20.06 cm
0.658 ft
7.898 in
Height108.3 mm
10.83 cm
0.355 ft
4.264 in
122.1 mm
12.21 cm
0.401 ft
4.807 in
136.1 mm
13.61 cm
0.447 ft
5.358 in
Thickness10.6 mm
1.06 cm
0.035 ft
0.417 in
7.9 mm
0.79 cm
0.026 ft
0.311 in
8.3 mm
0.83 cm
0.027 ft
0.327 in
Weight262 g
0.58 lbs
9.24 oz
310 g
0.68 lbs
10.93 oz
362 g
0.8 lbs
12.77 oz
Volume216.97 cm³
13.18 in³
200.06 cm³
12.15 in³
226.6 cm³
13.76 in³
ColorsBlack
White
BlackSilver
Body materialsPlasticPolycarbonateAluminium alloy

SIM card

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

SIM card typeMini-SIM--
Number of SIM cards1--

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
--
W-CDMAW-CDMA 900 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 technologiesUMTS
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 LollipopAndroid 4.4.4 KitKat
Microsoft Windows 8.1
Android 4.2.2 Jelly Bean

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 x3-C3230Intel Atom Z3735FRockchip RK3188
Process technology28 nm22 nm28 nm
CPUIntel Atom SoFIAIntel Bay TrailARM Cortex-A9
CPU bits64 bit64 bit32 bit
Instruction setIA-32 (x86), IA-64 (x64)IA-32 (x86), IA-64 (x64)ARMv7-A
Level 1 cache memory (L1)24 KB + 32 KB24 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)2048 KB
2 MB
2048 KB
2 MB
512 KB
0.5 MB
CPU cores444
CPU frequency1200 MHz1830 MHz1600 MHz
GPUARM Mali-450 MP4Intel HD GraphicsARM Mali-400 MP4
GPU cores4-4
GPU frequency600 MHz646 MHz-
RAM capacity1 GB2 GB1 GB
RAM typeLPDDR3LPDDR3L-RSDDR3
RAM channels-Single channel-
RAM frequency-1333 MHz-

Storage

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

Storage8 GB32 GB8 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

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSIPSLCD
Diagonal size7 in
177.8 mm
17.78 cm
8 in
203.2 mm
20.32 cm
7.9 in
200.66 mm
20.07 cm
Width6.04 in
153.41 mm
15.34 cm
6.78 in
172.31 mm
17.23 cm
6.32 in
160.53 mm
16.05 cm
Height3.54 in
89.89 mm
8.99 cm
4.24 in
107.7 mm
10.77 cm
4.74 in
120.4 mm
12.04 cm
Aspect ratio1.707:11.6:1
16:10
1.333:1
4:3
Resolution1024 x 600 pixels1280 x 800 pixels1024 x 768 pixels
Pixel density170 ppi
66 ppcm
189 ppi
74 ppcm
162 ppi
63 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area67.58 %73.52 %71.02 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch

Sensors

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

SensorsProximity
Accelerometer
AccelerometerAccelerometer
Gravity

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 OV2680OmniVision OV2680-
Sensor size2.84 x 2.15 mm
0.14 in
2.84 x 2.15 mm
0.14 in
-
Pixel size1.775 µm
0.001775 mm
1.775 µm
0.001775 mm
-
Crop factor12.1512.15-
Field of view-84 °-
Image resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
-
Video FPS30 fps30 fps-
FeaturesDigital zoom
Scene mode
Digital zoom
Scene mode
Autofocus
Sensor type - OmniPixel3-HSSensor type - OmniPixel3-HS-

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 resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
Video resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP

Audio

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

SpeakerLoudspeakerLoudspeaker
Stereo speakers
Loudspeaker
Earpiece

Radio

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

RadioNoNo-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
--

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

Bluetooth

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

Version4.04.0-
FeaturesA2DPA2DP-

USB

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

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
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)-

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
Computer sync
OTA sync
Computer sync
OTA sync

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
MIDI
MP3
OGG
WMA
WAV
FLAC
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
Flash Video
MKV
QuickTime
VC-1
WMV
Xvid
3GPP
AVI
Flash Video
H.263
H.264
H.265
MKV
QuickTime
MP4
Xvid
Flash Video
H.264
MPEG-4
WMV
RMVB

Battery

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

Capacity2500 mAh5000 mAh5000 mAh
TypeLi-PolymerLi-PolymerLi-Ion
FeaturesNon-removableNon-removableNon-removable
-Battery life - up to 6 hBattery life - up to 6 h
 Chuwi Vi7Chuwi Vi8Chuwi V88HD