Comparison between:
- VKworld F1
- Mlais MX28
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| VKworld F1 | Mlais MX28 | |
 |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 64.7 mm 6.47 cm 0.212 ft 2.547 in | 74 mm 7.4 cm 0.243 ft 2.913 in |
| Height | 131 mm 13.1 cm 0.43 ft 5.157 in | 145 mm 14.5 cm 0.476 ft 5.709 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 7.9 mm 0.79 cm 0.026 ft 0.311 in |
| Weight | - | 147 g 0.32 lbs 5.19 oz |
| Volume | 66.96 cm³ 4.07 in³ | 84.77 cm³ 5.15 in³ |
| Colors | Red White Gold Black | - |
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 Mini-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) | 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 5.1 Lollipop | Android 4.2 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 | MediaTek MT6580 | MediaTek MT6582 |
| Process technology | 28 nm | 28 nm |
| CPU | 4x 1.3 GHz ARM Cortex-A7 | 4x 1.3 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) | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 |
| CPU frequency | 1300 MHz | 1300 MHz |
| GPU | ARM Mali-400 MP1 | ARM Mali-400 MP2 |
| GPU cores | 1 | 2 |
| GPU frequency | 500 MHz | 500 MHz |
| RAM capacity | 1 GB | 1 GB |
| RAM type | LPDDR2/LPDDR3 | LPDDR2/LPDDR3 |
| RAM channels | Single channel | Single channel |
| RAM frequency | 533 MHz | 533 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 4 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC | microSD microSDHC |
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 | 4.5 in 114.3 mm 11.43 cm | 5 in 127 mm 12.7 cm |
| Width | 2.2 in 56 mm 5.6 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 3.92 in 99.64 mm 9.96 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 1.779:1 | 1.778:1 16:9 |
| Resolution | 480 x 854 pixels | 540 x 960 pixels |
| Pixel density | 218 ppi 85 ppcm | 220 ppi 86 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 66.05 % | 64.44 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen 1000:1 contrast ratio 500 cd/m² 92% NTSC | Corning Gorilla Glass |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Accelerometer 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 type | CMOS | CMOS |
| Flash type | LED | LED |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 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 Scene mode | Autofocus Continuous shooting Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode |
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 | 1600 x 1200 pixels 1.92 MP | - |
| - | 2 MP |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker | 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 |
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 |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 2.0 |
| Features | 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 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 |
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 Flash |
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 OGG WMA WAV | AAC AMR 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 MPEG-4 Xvid | 3GPP MP4 WMV |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 1850 mAh | 2500 mAh |
| Type | Li-Ion | Li-Polymer |
| 2G talk time | 4 h 240 min 0.2 days | - |
| 2G stand-by time | 180 h 10800 min 7.5 days | - |
| 3G talk time | 4 h 240 min 0.2 days | - |
| 3G stand-by time | 180 h 10800 min 7.5 days | - |
| Features | Removable | Removable |
| VKworld F1 | Mlais MX28 |