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 Vi7 | Chuwi Vi8 | Chuwi V88HD | |
 |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 189 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 |
| Height | 108.3 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 |
| Thickness | 10.6 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 |
| Weight | 262 g 0.58 lbs 9.24 oz | 310 g 0.68 lbs 10.93 oz | 362 g 0.8 lbs 12.77 oz |
| Volume | 216.97 cm³ 13.18 in³ | 200.06 cm³ 12.15 in³ | 226.6 cm³ 13.76 in³ |
| Colors | Black White | Black | Silver |
| Body materials | Plastic | Polycarbonate | Aluminium alloy |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Mini-SIM | - | - |
| Number of SIM cards | 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 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | - | - |
| W-CDMA | W-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 technologies | 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 | Android 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.
| SoC | Intel Atom x3-C3230 | Intel Atom Z3735F | Rockchip RK3188 |
| Process technology | 28 nm | 22 nm | 28 nm |
| CPU | Intel Atom SoFIA | Intel Bay Trail | ARM Cortex-A9 |
| CPU bits | 64 bit | 64 bit | 32 bit |
| Instruction set | IA-32 (x86), IA-64 (x64) | IA-32 (x86), IA-64 (x64) | ARMv7-A |
| Level 1 cache memory (L1) | 24 KB + 32 KB | 24 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 2048 KB 2 MB | 2048 KB 2 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 4 |
| CPU frequency | 1200 MHz | 1830 MHz | 1600 MHz |
| GPU | ARM Mali-450 MP4 | Intel HD Graphics | ARM Mali-400 MP4 |
| GPU cores | 4 | - | 4 |
| GPU frequency | 600 MHz | 646 MHz | - |
| RAM capacity | 1 GB | 2 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR3L-RS | DDR3 |
| RAM channels | - | Single channel | - |
| RAM frequency | - | 1333 MHz | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 32 GB | 8 GB |
| eMMC | eMMC | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | 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/technology | IPS | IPS | LCD |
| Diagonal size | 7 in 177.8 mm 17.78 cm | 8 in 203.2 mm 20.32 cm | 7.9 in 200.66 mm 20.07 cm |
| Width | 6.04 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 |
| Height | 3.54 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 ratio | 1.707:1 | 1.6:1 16:10 | 1.333:1 4:3 |
| Resolution | 1024 x 600 pixels | 1280 x 800 pixels | 1024 x 768 pixels |
| Pixel density | 170 ppi 66 ppcm | 189 ppi 74 ppcm | 162 ppi 63 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 67.58 % | 73.52 % | 71.02 % |
| Other features | Capacitive 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.
| Sensors | Proximity Accelerometer | Accelerometer | Accelerometer 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 model | OmniVision OV2680 | OmniVision OV2680 | - |
| Sensor size | 2.84 x 2.15 mm 0.14 in | 2.84 x 2.15 mm 0.14 in | - |
| Pixel size | 1.775 µm 0.001775 mm | 1.775 µm 0.001775 mm | - |
| Crop factor | 12.15 | 12.15 | - |
| Field of view | - | 84 ° | - |
| Image resolution | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP | - |
| Video FPS | 30 fps | 30 fps | - |
| Features | Digital zoom Scene mode | Digital zoom Scene mode | Autofocus |
| Sensor type - OmniPixel3-HS | Sensor 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 resolution | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP |
| Video resolution | 640 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.
| Speaker | Loudspeaker | Loudspeaker Stereo speakers | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS | - | - |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 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.
| Version | 4.0 | 4.0 | - |
| Features | A2DP | A2DP | - |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB | Micro USB |
| Version | 2.0 | 2.0 | 2.0 |
| Features | 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) | - |
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 jack | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer 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.
| Browser | 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/codecs | AAC 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/codecs | 3GPP 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.
| Capacity | 2500 mAh | 5000 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Ion |
| Features | Non-removable | Non-removable | Non-removable |
| - | Battery life - up to 6 h | Battery life - up to 6 h |
| Chuwi Vi7 | Chuwi Vi8 | Chuwi V88HD |