Comparison between:
- Vifocal V8800
- Doogee Dagger DG550
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Vifocal V8800 | Doogee Dagger DG550 | |
 |  | |
| Model alias | - | DG550 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 81 mm 8.1 cm 0.266 ft 3.189 in | 76 mm 7.6 cm 0.249 ft 2.992 in |
| Height | 156 mm 15.6 cm 0.512 ft 6.142 in | 153 mm 15.3 cm 0.502 ft 6.024 in |
| Thickness | 10 mm 1 cm 0.033 ft 0.394 in | 6.5 mm 0.65 cm 0.021 ft 0.256 in |
| Weight | 173 g 0.38 lbs 6.1 oz | 192 g 0.42 lbs 6.77 oz |
| Volume | 126.36 cm³ 7.67 in³ | 75.58 cm³ 4.59 in³ |
| Colors | Black White | Black White |
| Body materials | Plastic Leather | 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 | Mini-SIM Micro-SIM | Mini-SIM 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 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| W-CDMA | W-CDMA 850 MHz W-CDMA 2100 MHz | W-CDMA 850 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+ | 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 4.2.2 Jelly Bean | Android 4.2.9 Jelly Bean Android 4.4.2 KitKat |
| User interface (UI) | - | MY UI 3.0 |
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 MT6592W | MediaTek MT6592W |
| Process technology | 28 nm | 28 nm |
| CPU | 8x 1.7 GHz ARM Cortex-A7 | 8x 1.7 GHz ARM Cortex-A7 |
| CPU bits | 32 bit | 32 bit |
| Instruction set | ARMv7-A | ARMv7-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 1024 KB 1 MB | 1024 KB 1 MB |
| CPU cores | 8 | 8 |
| CPU frequency | 1700 MHz | 1700 MHz |
| GPU | ARM Mali-450 MP4 | ARM Mali-450 MP4 |
| GPU cores | 4 | 4 |
| GPU frequency | 700 MHz | 700 MHz |
| RAM capacity | 1 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel |
| RAM frequency | 666 MHz | 666 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 16 GB |
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 | 5.5 in 139.7 mm 13.97 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 4.79 in 121.76 mm 12.18 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 540 x 960 pixels | 720 x 1280 pixels |
| Pixel density | 200 ppi 78 ppcm | 267 ppi 104 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 66.21 % | 71.95 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| - | OGS (One Glass Solution) Full Lamination Technology Oleophobic (lipophobic) coating |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gravity |
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 model | - | OmniVision OV8825 |
| Sensor type | - | CMOS BSI |
| Sensor size | - | 4.61 x 3.44 mm 0.23 in |
| Pixel size | - | 1.414 µm 0.001414 mm |
| Crop factor | - | 7.51 |
| ISO | - | 100 - 1600 |
| Aperture | - | f/2.2 |
| Number of lenses | - | 5 |
| Flash type | LED | LED |
| Image resolution | 4864 x 2736 pixels 13.31 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | - | 1920 x 1080 pixels 2.07 MP |
| Features | Autofocus | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode |
| - | Interpolated resolution - 13 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.
| Image resolution | 2592 x 1944 pixels 5.04 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | - | 1920 x 1080 pixels 2.07 MP |
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 | GPS A-GPS | GPS A-GPS EPO |
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 Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | - | 4.0 |
| Features | A2DP | A2DP HID |
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 On-The-Go | Charging Mass storage On-The-Go |
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 AMR-WB eAAC+ MP3 WMA WAV | AMR AMR-WB MIDI MP3 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 MPEG-4 WMV | 3GPP AVI MPEG-4 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 | 3400 mAh | 2600 mAh |
| Type | Li-Ion | Li-Polymer |
| Features | Removable | Removable |
| Vifocal V8800 | Doogee Dagger DG550 |