Comparison between:
- Vphone X3
- No.1 X2i
- Kenxinda Proofings W8
- Digoor DG2 Plus
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Vphone X3 | No.1 X2i | Kenxinda Proofings W8 | Digoor DG2 Plus | |
 |  |  |  | |
| Model alias | - | X3 | Six Proofings W8 | DG2+ |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 85 mm 8.5 cm 0.279 ft 3.346 in | 85 mm 8.5 cm 0.279 ft 3.346 in | 84 mm 8.4 cm 0.276 ft 3.307 in | 73.2 mm 7.32 cm 0.24 ft 2.882 in |
| Height | 166.3 mm 16.63 cm 0.546 ft 6.547 in | 166.3 mm 16.63 cm 0.546 ft 6.547 in | 158.5 mm 15.85 cm 0.52 ft 6.24 in | 143 mm 14.3 cm 0.469 ft 5.63 in |
| Thickness | 14.7 mm 1.47 cm 0.048 ft 0.579 in | 14.7 mm 1.47 cm 0.048 ft 0.579 in | 14.2 mm 1.42 cm 0.047 ft 0.559 in | 20 mm 2 cm 0.066 ft 0.787 in |
| Weight | 230 g 0.51 lbs 8.11 oz | 230 g 0.51 lbs 8.11 oz | 205 g 0.45 lbs 7.23 oz | 239 g 0.53 lbs 8.43 oz |
| Volume | 207.79 cm³ 12.62 in³ | 207.79 cm³ 12.62 in³ | 189.06 cm³ 11.48 in³ | 209.35 cm³ 12.71 in³ |
| Colors | Black Orange | Black Yellow | Yellow Black | Black Orange Yellow Green |
| Certification | IP67 MIL-STD-810G | IP68 | IP68 | IP68 IPX8 |
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 | Micro-SIM Mini-SIM | Nano-SIM Micro-SIM | Mini-SIM Micro-SIM |
| Number of SIM cards | 2 | 2 | 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) | 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 | 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 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| LTE | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | LTE 700 MHz Class 17 LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 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+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 4 | 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 5.1 Lollipop | Android 5.1 Lollipop | Android 4.4 KitKat |
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 MT6735P | MediaTek MT6735 | MediaTek MT6753 | MediaTek MT6582 |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.0 GHz ARM Cortex-A53 | 4x 1.3 GHz ARM Cortex-A53 | 8x 1.3 GHz ARM Cortex-A53 | 4x 1.3 GHz ARM Cortex-A7 |
| CPU bits | 64 bit | 64 bit | 64 bit | 32 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A | ARMv7 |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 8 | 4 |
| CPU frequency | 1000 MHz | 1300 MHz | 1300 MHz | 1300 MHz |
| GPU | ARM Mali-T720 MP1 | ARM Mali-T720 MP1 | ARM Mali-T720 MP3 | ARM Mali-400 MP2 |
| GPU cores | 1 | 1 | 3 | 2 |
| GPU frequency | 400 MHz | 600 MHz | 450 MHz | 500 MHz |
| RAM capacity | 2 GB | 2 GB | 2 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 | LPDDR2/LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel | Single channel |
| RAM frequency | 533 MHz | 640 MHz | 666 MHz | 533 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 16 GB | 16 GB | 8 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC | microSD microSDHC microSDXC | microSD microSDHC microSDXC | 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 | IPS | IPS |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 5.5 in 139.7 mm 13.97 cm | 5.5 in 139.7 mm 13.97 cm | 5 in 127 mm 12.7 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.7 in 68.49 mm 6.85 cm | 2.7 in 68.49 mm 6.85 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 4.79 in 121.76 mm 12.18 cm | 4.79 in 121.76 mm 12.18 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 720 x 1280 pixels | 720 x 1280 pixels | 720 x 1280 pixels | 720 x 1280 pixels |
| Pixel density | 267 ppi 104 ppcm | 267 ppi 104 ppcm | 267 ppi 104 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 59.19 % | 59.19 % | 62.84 % | 66.05 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass | - | - | 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 Light Accelerometer | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gyroscope |
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 type | CMOS | CMOS | CMOS | CMOS |
| Flash type | LED | LED | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 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 | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance 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 | Autofocus Continuous shooting Digital zoom Digital image stabilization 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 | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP | 1600 x 1200 pixels 1.92 MP |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker | Loudspeaker Earpiece |
| - | - | - | Walkie-talkie |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS | 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 Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 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 | 4.0 | 4.0 | 4.0 | 4.0 |
| Features | A2DP | A2DP | 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 | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage On-The-Go | 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 | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering NFC |
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 | 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+ MIDI MP3 OGG WMA WAV | AAC eAAC+ MIDI MP3 WMA WAV | AAC AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ 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 MPEG-4 | 3GPP AVI H.263 H.264 MP4 WMV | 3GPP AVI MKV MP4 Xvid | 3GPP DivX MP4 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 | 4500 mAh | 4500 mAh | 3000 mAh | 3200 mAh |
| Type | Li-Ion | Li-Ion | Li-Polymer | Li-Ion |
| 2G talk time | 15 h 900 min 0.6 days | - | - | 10 h 600 min 0.4 days |
| 2G stand-by time | 250 h 15000 min 10.4 days | 2100 h 126000 min 87.5 days | - | 300 h 18000 min 12.5 days |
| 3G talk time | 15 h 900 min 0.6 days | - | - | 10 h 600 min 0.4 days |
| 3G stand-by time | 250 h 15000 min 10.4 days | 2100 h 126000 min 87.5 days | - | 300 h 18000 min 12.5 days |
| Charger output power | 5.3 V / 1 A | - | - | - |
| Features | Non-removable | Non-removable | Non-removable | Removable |
| Vphone X3 | No.1 X2i | Kenxinda Proofings W8 | Digoor DG2 Plus |