Comparison between:
- Oukitel K9
- ZTE B880
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Oukitel K9 | ZTE B880 | |
 Prices |  | |
| 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 | 86.3 mm 8.63 cm 0.283 ft 3.398 in | 70.7 mm 7.07 cm 0.232 ft 2.783 in |
| Height | 177.6 mm 17.76 cm 0.583 ft 6.992 in | 142 mm 14.2 cm 0.466 ft 5.591 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 8.9 mm 0.89 cm 0.029 ft 0.35 in |
| Weight | 232 g 0.51 lbs 8.19 oz | 126 g 0.28 lbs 4.44 oz |
| Volume | 136.41 cm³ 8.28 in³ | 89.35 cm³ 5.43 in³ |
| Colors | Black Blue | Red Orange Yellow Blue Green Pink |
| 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 | Nano-SIM Nano-SIM / microSD | Micro-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) |
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 | GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA2000 | - | 1xEV-DO Rel. 0 1xEV-DO Rev. A |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | - |
| LTE | LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) LTE 700 MHz (B12) LTE 800 MHz (B19) | LTE 1800 MHz LTE 2100 MHz LTE-TDD 2500 MHz (B41) |
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+ LTE Cat 6 | EDGE GPRS LTE Cat 4 EV-DO Rev. A |
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 9.0 Pie | Android 5.0 Lollipop |
| 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 | MediaTek Helio P35 (MT6765) | MediaTek MT6735 |
| Process technology | 12 nm | 28 nm |
| CPU | 4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53 | 4x 1.3 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | - | 32 KB + 32 KB |
| Level 2 cache memory (L2) | - | 512 KB 0.5 MB |
| CPU cores | 8 | 4 |
| CPU frequency | 2300 MHz | 1300 MHz |
| GPU | IMG PowerVR GE8320 | ARM Mali-T720 MP2 |
| GPU cores | - | 2 |
| GPU frequency | 680 MHz | 600 MHz |
| RAM capacity | 4 GB | 1 GB |
| RAM type | LPDDR4X | LPDDR3 |
| RAM channels | Double channel | Single channel |
| RAM frequency | 1600 MHz | 640 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB | 8 GB |
| eMMC 5.1 | - |
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 | 7.12 in 180.85 mm 18.08 cm | 5 in 127 mm 12.7 cm |
| Width | 3.09 in 78.43 mm 7.84 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 6.42 in 162.96 mm 16.3 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 2.078:1 | 1.778:1 16:9 |
| Resolution | 1080 x 2244 pixels | 720 x 1280 pixels |
| Pixel density | 350 ppi 137 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 83.66 % | 68.87 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| Display manufacturer - AU Optronics 2.5D curved glass screen LTPS (Low Temperature PolySilicon) 1000:1 contrast ratio 500 cd/m² | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer |
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 | Sony IMX298 Exmor RS | - |
| Sensor type | CMOS | CMOS |
| Sensor size | 5.22 x 3.92 mm 0.26 in | - |
| Pixel size | 1.132 µm 0.001132 mm | - |
| Crop factor | 6.63 | - |
| ISO | 100 - 1600 | - |
| Aperture | f/1.8 | f/2.2 |
| Focal length and 35 mm equivalent | 3.8 mm 25.21 mm *(35 mm / full frame) | - |
| Flash type | Dual LED | LED |
| Image resolution | 4608 x 3456 pixels 15.93 MP | 4128 x 3096 pixels 12.78 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) | 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 |
| Secondary rear camera - 2 MP Sensor model - GalaxyCore GC2035 (#2) Sensor size - 2.8 x 2.1 mm (#2) | - |
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 model | GalaxyCore GC8034 | - |
| Sensor type | CMOS BSI | - |
| Sensor size | 3.67 x 2.76 mm 0.18 in | - |
| Pixel size | 1.124 µm 0.001124 mm | - |
| Crop factor | 9.42 | - |
| Aperture | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | 3.88 mm 36.56 mm *(35 mm / full frame) | - |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 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 |
| Headphone adapter | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes |
| RDS | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS | GPS A-GPS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11b 802.11g 802.11n Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 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 | USB Type-C | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | 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 | No | 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 AAC+ AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 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 H.263 H.264 MKV QuickTime MP4 WebM WMV Xvid | 3GPP AVI H.263 H.264 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.
| Capacity | 6000 mAh | 2400 mAh |
| Type | Li-Polymer | Li-Ion |
| Charger output power | 5 V / 6 A | - |
| Features | Fast charging Non-removable | Removable |
| Oukitel K9 | ZTE B880 |