Comparison between:
- Uniscope US828
- Coolpad S6
- ZTE Grand Memo II LTE
- nubia Z7 mini
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Uniscope US828 | Coolpad S6 | ZTE Grand Memo II LTE | nubia Z7 mini | |
 |  |  |  | |
| Model alias | - | 9190L TD-LTE 9190L | - | NX507J |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.4 mm 7.54 cm 0.247 ft 2.969 in | 82 mm 8.2 cm 0.269 ft 3.228 in | 83 mm 8.3 cm 0.272 ft 3.268 in | 69.3 mm 6.93 cm 0.227 ft 2.728 in |
| Height | 150.1 mm 15.01 cm 0.492 ft 5.909 in | 163 mm 16.3 cm 0.535 ft 6.417 in | 161.5 mm 16.15 cm 0.53 ft 6.358 in | 140.9 mm 14.09 cm 0.462 ft 5.547 in |
| Thickness | 9.1 mm 0.91 cm 0.03 ft 0.358 in | 7 mm 0.7 cm 0.023 ft 0.276 in | 7.2 mm 0.72 cm 0.024 ft 0.283 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in |
| Weight | 165 g 0.36 lbs 5.82 oz | 169 g 0.37 lbs 5.96 oz | - | 143 g 0.32 lbs 5.04 oz |
| Volume | 102.99 cm³ 6.25 in³ | 93.56 cm³ 5.68 in³ | 96.51 cm³ 5.86 in³ | 80.07 cm³ 4.86 in³ |
| Colors | Black White | White | White | White Red Green Yellow Blue |
| Body materials | - | Aluminium alloy Magnesium alloy Plastic | - | Plastic Glass |
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 | - | 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) |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | 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 | - | CDMA 800 MHz |
| CDMA2000 | - | 1xEV-DO Rel. 0 1xEV-DO Rev. A 1xRTT | - | - |
| W-CDMA | W-CDMA 850 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | - | - | - |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| UMTS | - | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | LTE 1800 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2600 MHz (B38) | LTE 1800 MHz LTE 2100 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2600 MHz (B38) | LTE 800 MHz LTE 1800 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) LTE-TDD 2600 MHz (B38) | LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) 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+ LTE TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA LTE Cat 4 EV-DO Rev. A | UMTS EDGE GPRS HSPA LTE Cat 3 | UMTS EDGE GPRS Class 12 HSPA+ LTE 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 4.2 Jelly Bean | Android 4.3 Jelly Bean | Android 4.4.2 KitKat | Android 4.4.2 KitKat |
| User interface (UI) | - | CoolLife 5.0 | - | nubia 2.5 |
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 | Qualcomm Snapdragon 400 (MSM8926) | Qualcomm Snapdragon 400 (MSM8926) | Qualcomm Snapdragon 400 (MSM8926) | Qualcomm Snapdragon 800 (MSM8974AA) |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.2 GHz ARM Cortex-A7 | 4x 1.2 GHz ARM Cortex-A7 | 4x 1.2 GHz ARM Cortex-A7 | 4x 2.26 GHz Krait 400 |
| CPU bits | 32 bit | 32 bit | 32 bit | 32 bit |
| Instruction set | ARMv7-A | ARMv7-A | ARMv7-A | ARMv7-A |
| Level 0 cache memory (L0) | - | - | - | 4 KB + 4 KB |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | 1024 KB 1 MB | 1024 KB 1 MB | 1024 KB 1 MB | 2048 KB 2 MB |
| CPU cores | 4 | 4 | 4 | 4 |
| CPU frequency | 1200 MHz | 1200 MHz | 1200 MHz | 2260 MHz |
| GPU | Qualcomm Adreno 305 | Qualcomm Adreno 305 | Qualcomm Adreno 305 | Qualcomm Adreno 330 |
| GPU cores | 1 | 1 | 1 | 4 |
| GPU frequency | 450 MHz | 450 MHz | 450 MHz | 450 MHz |
| RAM capacity | 1 GB | 2 GB | 2 GB | 2 GB |
| RAM type | LPDDR2/LPDDR3 | LPDDR2/LPDDR3 | LPDDR2/LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel | Double channel |
| RAM frequency | 533 MHz | 533 MHz | 533 MHz | 800 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 4 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 microSDXC | microSD microSDHC | 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 | LCD | IPS | IPS | IPS |
| Diagonal size | 5.3 in 134.62 mm 13.46 cm | 5.95 in 151.13 mm 15.11 cm | 6 in 152.4 mm 15.24 cm | 5 in 127 mm 12.7 cm |
| Width | 2.6 in 66 mm 6.6 cm | 2.92 in 74.09 mm 7.41 cm | 2.94 in 74.72 mm 7.47 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.62 in 117.33 mm 11.73 cm | 5.19 in 131.72 mm 13.17 cm | 5.23 in 132.83 mm 13.28 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 | 1080 x 1920 pixels |
| Pixel density | 277 ppi 108 ppcm | 247 ppi 97 ppcm | 245 ppi 96 ppcm | 441 ppi 173 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 68.64 % | 73.25 % | 74.28 % | 70.81 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| - | Corning Gorilla Glass OGS (One Glass Solution) | Corning Gorilla Glass 3 | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass Gyroscope |
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 | - | Sony Exmor RS | - | Sony IMX214 Exmor RS |
| Sensor type | - | CMOS | CMOS BSI | CMOS |
| Sensor size | - | - | - | 4.69 x 3.52 mm 0.23 in |
| Pixel size | - | - | - | 1.115 µm 0.001115 mm |
| Crop factor | - | - | - | 7.38 |
| ISO | - | - | - | 100 - 1600 |
| Aperture | - | f/2 | f/2.2 | f/2 - 22 |
| Shutter speed | - | - | - | 1 - 1/5000 |
| Number of lenses | - | - | - | 5 |
| Flash type | LED | LED | LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4128 x 3096 pixels 12.78 MP | 4160 x 3120 pixels 12.98 MP | 4208 x 3120 pixels 13.13 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Digital zoom Touch focus Face detection | Autofocus Geotagging | Autofocus Geotagging Touch focus Face detection White balance settings ISO settings | Autofocus Digital zoom Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode Macro mode |
| - | - | - | 1080p @ 30 fps Blue filter glass |
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.
| Aperture | - | - | f/2.2 | - |
| Image resolution | 1600 x 1200 pixels 1.92 MP | - | 2560 x 1920 pixels 4.92 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 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 |
| - | 5 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 |
| - | - | - | Asahi Kasei AK4961 DTS |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | - | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS EPO | GPS A-GPS | 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 | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz | 802.11a 802.11b 802.11g 802.11n 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct |
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 LE | 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 DLNA | Computer sync OTA sync Tethering DLNA NFC | Computer sync OTA sync Infrared Tethering DLNA NFC | Computer sync OTA sync Tethering DLNA |
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+ MP3 WMA WAV | AAC AMR MP3 WAV | eAAC+ MP3 WMA WAV | AAC AMR AMR-WB 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 H.263 H.264 MP4 | 3GPP AVI Flash Video QuickTime MP4 WMV | H.263 H.264 MP4 WMV | H.263 H.264 MPEG-4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2600 mAh | 2800 mAh | 3200 mAh | 2300 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Ion | Li-Ion |
| 2G talk time | - | - | - | 30 h 1800 min 1.3 days |
| 2G stand-by time | - | - | - | 580 h 34800 min 24.2 days |
| 3G talk time | - | - | - | 30 h 1800 min 1.3 days |
| 3G stand-by time | - | - | - | 580 h 34800 min 24.2 days |
| Features | Removable | Non-removable | Non-removable | Non-removable |
| Uniscope US828 | Coolpad S6 | ZTE Grand Memo II LTE | nubia Z7 mini |