Comparison between:
- Digoor DG2 Plus
- Vchok M9
- Huadoo HG04
- Huadoo HG06
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Digoor DG2 Plus | Vchok M9 | Huadoo HG04 | Huadoo HG06 | |
 |  |  |  | |
| Model alias | DG2+ | - | - | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 73.2 mm 7.32 cm 0.24 ft 2.882 in | 76.8 mm 7.68 cm 0.252 ft 3.024 in | 75.6 mm 7.56 cm 0.248 ft 2.976 in | 83.9 mm 8.39 cm 0.275 ft 3.303 in |
| Height | 143 mm 14.3 cm 0.469 ft 5.63 in | 150.6 mm 15.06 cm 0.494 ft 5.929 in | 149 mm 14.9 cm 0.489 ft 5.866 in | 153.8 mm 15.38 cm 0.505 ft 6.055 in |
| Thickness | 20 mm 2 cm 0.066 ft 0.787 in | 26.6 mm 2.66 cm 0.087 ft 1.047 in | 14.8 mm 1.48 cm 0.049 ft 0.583 in | 16.8 mm 1.68 cm 0.055 ft 0.661 in |
| Weight | 239 g 0.53 lbs 8.43 oz | 353 g 0.78 lbs 12.45 oz | 168 g 0.37 lbs 5.93 oz | 293 g 0.65 lbs 10.36 oz |
| Volume | 209.35 cm³ 12.71 in³ | 307.66 cm³ 18.68 in³ | 166.71 cm³ 10.12 in³ | 216.78 cm³ 13.17 in³ |
| Colors | Black Orange Yellow Green | Black Yellow | Black Yellow White Gray | Black Orange Green |
| Certification | IP68 IPX8 | IP68 | IP68 | IP68 |
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 | Mini-SIM Micro-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 |
| CDMA | - | CDMA 800 MHz | - | - |
| W-CDMA | W-CDMA 850 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 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| LTE | - | LTE 800 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | 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-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
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+ LTE Cat 4 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 4 TD-SCDMA TD-HSDPA |
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 4.4 KitKat | Android 5.1 Lollipop | Android 4.4.2 KitKat | Android 5.1 Lollipop |
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 MT6582 | MediaTek MT6735 | Qualcomm Snapdragon 400 MSM8926 | MediaTek MT6735 |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | ARM Cortex-A7 | ARM Cortex-A53 | ARM Cortex-A7 | ARM Cortex-A53 |
| CPU bits | 32 bit | 64 bit | 32 bit | 64 bit |
| Instruction set | ARMv7 | ARMv8-A | ARMv7 | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | 16 KB + 16 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB | 1024 KB 1 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 4 | 4 |
| CPU frequency | 1300 MHz | 1300 MHz | 1200 MHz | 1300 MHz |
| GPU | ARM Mali-400 MP2 | ARM Mali-T720 MP1 | Qualcomm Adreno 305 | ARM Mali-T720 MP1 |
| GPU cores | 2 | 1 | 1 | 1 |
| GPU frequency | 500 MHz | 600 MHz | - | 600 MHz |
| RAM capacity | 1 GB | 2 GB | 2 GB | 2 GB |
| RAM type | - | LPDDR3 | LPDDR2 | LPDDR3 |
| RAM channels | Single channel | Single channel | - | Single channel |
| RAM frequency | 533 MHz | 640 MHz | - | 640 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 16 GB | 16 GB | 16 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 in 127 mm 12.7 cm | 4.5 in 114.3 mm 11.43 cm | 4.7 in 119.38 mm 11.94 cm | 5 in 127 mm 12.7 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.21 in 56.04 mm 5.6 cm | 2.3 in 58.53 mm 5.85 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 3.92 in 99.62 mm 9.96 cm | 4.1 in 104.05 mm 10.4 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 | 540 x 960 pixels | 720 x 1280 pixels | 720 x 1280 pixels |
| Pixel density | 294 ppi 115 ppcm | 245 ppi 96 ppcm | 312 ppi 122 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 | 66.05 % | 48.42 % | 54.24 % | 53.58 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass | - | Corning Gorilla Glass 2 OGS (One Glass Solution) | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass |
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 | 3264 x 2448 pixels 7.99 MP | 4128 x 3096 pixels 12.78 MP | 4128 x 3096 pixels 12.78 MP | 4128 x 3096 pixels 12.78 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 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 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 | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation 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 | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Walkie-talkie | - | ESS Technology ES9018K2M SABRE DAC | - |
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 GLONASS BeiDou | GPS A-GPS | GPS A-GPS GLONASS BeiDou |
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 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 | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering NFC | 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 WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ 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 DivX MP4 Xvid | 3GPP AVI MP4 WMV Xvid | 3GPP AVI MKV MP4 WMV Xvid | 3GPP AVI 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 | 3200 mAh | 4700 mAh | 3800 mAh | 3600 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | 10 h 600 min 0.4 days | - | 10 h 600 min 0.4 days | - |
| 2G stand-by time | 300 h 18000 min 12.5 days | - | 150 h 9000 min 6.3 days | - |
| 3G talk time | 10 h 600 min 0.4 days | - | 10 h 600 min 0.4 days | - |
| 3G stand-by time | 300 h 18000 min 12.5 days | - | 150 h 9000 min 6.3 days | - |
| Features | Removable | Removable | Removable | Removable |
| - | - | - | 6000 mah - optional |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | Walkie-Talkie PTT (push-to-talk) | SOS | - |
| Digoor DG2 Plus | Vchok M9 | Huadoo HG04 | Huadoo HG06 |