Comparison between:
- ZTE B880
- Cubot J7
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| ZTE B880 | Cubot J7 | |
 |  | |
| Model alias | Xiao Xian 2 | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 70.7 mm 7.07 cm 0.232 ft 2.783 in | 70.7 mm 7.07 cm 0.232 ft 2.783 in |
| Height | 142 mm 14.2 cm 0.466 ft 5.591 in | 147.8 mm 14.78 cm 0.485 ft 5.819 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 8.85 mm 0.885 cm 0.029 ft 0.348 in |
| Weight | 126 g 0.28 lbs 4.44 oz | - |
| Volume | 89.35 cm³ 5.43 in³ | 92.48 cm³ 5.62 in³ |
| Colors | Red Orange Yellow Blue Green Pink | Black Blue Green |
| Body materials | 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 type | Micro-SIM | Nano-SIM |
| Number of SIM cards | 2 | 2 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSМ 900 МНz GSМ 1900 МНz | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz |
| CDMA2000 | 1xEV-DO Rel. 0 1xEV-DO Rev. A | - |
| W-CDMA | - | W-CDMA 900 MHz W-CDMA 2100 MHz |
| LTE | LТЕ 1800 МНz LТЕ 2100 МНz LТЕ-ТDD 2500 МНz (В41) | - |
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 | ЕDGЕ LТЕ Саt 4 | UМТS GРRS |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Аndrоid 5.0 Lоlliрор | Аndrоid 9.0 Рiе |
| User interface (UI) | MiFavor 3.0 Plus | - |
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 | МеdiаТеk МТ6737 | МеdiаТеk МТ6735Р |
| Process technology | 28 nm | 28 nm |
| CPU | 4х 1.3 GНz АRМ Соrtех-А53 | 4х 1.3 GНz АRМ Соrtех-А7 |
| CPU bits | 32 bit | 64 bit |
| Instruction set | ARMv7 | ARMv8 |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 |
| CPU frequency | 1300 MHz | 1300 MHz |
| GPU | ARM Mali-T720 MP2 | ARM Mali-400 MP1 |
| GPU cores | 2 | 1 |
| GPU frequency | 600 MHz | 500 MHz |
| RAM capacity | 1 GB | 2 GB |
| RAM type | LPDDR3 | LPDDR2/LPDDR3 |
| RAM channels | Single channel | Single channel |
| RAM frequency | 540 MHz | 433 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 16 GB |
| - | UFS 2.0 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | 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 |
| Diagonal size | 5 in 127 mm 12.7 cm | 5.7 in 144.78 mm 14.48 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.44 in 61.98 mm 6.2 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 5.15 in 130.84 mm 13.08 cm |
| Aspect ratio | 1.778:1 16:9 | 2.111:1 |
| Resolution | 1080 x 1920 pixels | 720 x 1520 pixels |
| Pixel density | 441 ppi 173 ppcm | 295 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 68.87 % | 77.86 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| - | 2.5D curved glass screen 1300:1 contrast ratio 450 cd/m² 90% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Light Accelerometer |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor type | CMOS | CMOS |
| Aperture | f/2.2 | - |
| Flash type | LED | LED |
| Image resolution | 4128 x 3096 pixels 12.78 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| - | Flash - 0.5A Secondary rear camera - 2 MP |
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.
| Sensor type | - | CMOS |
| Aperture | f/2.2 | - |
| Image resolution | 3520 x 2270 pixels 7.99 MP | 3520 x 2270 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 640 x 480 pixels 0.31 MP |
| Video FPS | - | 30 fps |
| Features | - | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS | GРS А-GРS |
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 802.11а | 802.11b 802.11g 802.11а 802.11аd |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.1 | 4.1 |
| 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 |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage |
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 |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | 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.
| Browser | 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 MIDI MP3 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/codecs | 3GPP AVI H.263 H.264 MP4 WMV Xvid | 3GPP AVI MKV QuickTime MP4 WebM 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.
| Capacity | 2400 mAh | 2800 mAh |
| Type | Li-Ion | Li-Polymer |
| Charger output power | - | 5 V / 1 A |
| Features | Removable | Removable |
| ZTE B880 | Cubot J7 |