Comparison between:
- Bluboo Picasso
- Oukitel K4000 Pro
- Oukitel U8 Universe Tap
- Subor S3
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Bluboo Picasso | Oukitel K4000 Pro | Oukitel U8 Universe Tap | Subor S3 | |
 Prices |  Prices |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 70 mm 7 cm 0.23 ft 2.756 in | 72 mm 7.2 cm 0.236 ft 2.835 in | 76.3 mm 7.63 cm 0.25 ft 3.004 in | 70.3 mm 7.03 cm 0.231 ft 2.768 in |
| Height | 142 mm 14.2 cm 0.466 ft 5.591 in | 145.6 mm 14.56 cm 0.478 ft 5.732 in | 151.8 mm 15.18 cm 0.498 ft 5.976 in | 141.5 mm 14.15 cm 0.464 ft 5.571 in |
| Thickness | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 12.5 mm 1.25 cm 0.041 ft 0.492 in | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 7.8 mm 0.78 cm 0.026 ft 0.307 in |
| Weight | 152 g 0.34 lbs 5.36 oz | 250 g 0.55 lbs 8.82 oz | 197 g 0.43 lbs 6.95 oz | 145 g 0.32 lbs 5.11 oz |
| Volume | 81.51 cm³ 4.95 in³ | 131.04 cm³ 7.96 in³ | 91.5 cm³ 5.56 in³ | 77.59 cm³ 4.71 in³ |
| Colors | Black Pink Green Blue Yellow Gray Gold | White Black | White Black | White Black |
| Body materials | Plastic Metal | Metal Plastic | Aluminium alloy 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 | Nano-SIM | Micro-SIM Mini-SIM | Micro-SIM Micro-SIM / microSD | Nano-SIM |
| Number of SIM cards | 2 | 2 | 2 | 1 |
| 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 | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz |
| W-CDMA | W-CDMA 850 MHz W-CDMA 2100 MHz | W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 900 MHz W-CDMA 2100 MHz | - |
| TD-SCDMA | - | - | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| LTE | - | LТЕ 800 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2600 МНz | LТЕ 800 МНz LТЕ 1800 МНz LТЕ 2600 МНz | LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) |
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 | UМТS GРRS | UМТS GРRS LТЕ Саt 4 | UМТS GРRS LТЕ Саt 4 | ЕDGЕ LТЕ Саt 4 ТD-НSDРА |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Аndrоid 5.1 Lоlliрор Аndrоid 6.0 Маrshmаllоw | Аndrоid 5.1 Lоlliрор Аndrоid 6.0 Маrshmаllоw | Аndrоid 5.1 Lоlliрор | Аndrоid 4.4.2 ΚitΚаt |
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 | МеdiаТеk МТ6735Р | МеdiаТеk МТ6580А | МеdiаТеk МТ6737 | МеdiаТеk МТ6732 |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | АRМ Соrtех-А53 | АRМ Соrtех-А7 | АRМ Соrtех-А7 | АRМ Соrtех-А7 |
| CPU bits | 64 bit | 32 bit | 32 bit | 64 bit |
| Instruction set | ARMv8 | ARMv7 | ARMv7 | ARMv8-A |
| 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) | 512 KB 0.5 MB | 512 KB 0.5 MB | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 4 | 4 |
| CPU frequency | 1300 MHz | 1000 MHz | 1000 MHz | 1500 MHz |
| GPU | ARM Mali-400 MP2 | ARM Mali-T720 MP1 | ARM Mali-T720 MP1 | ARM Mali-T760 MP2 |
| GPU cores | 2 | 1 | 1 | 2 |
| GPU frequency | - | 400 MHz | 400 MHz | 500 MHz |
| RAM capacity | 2 GB | 2 GB | 2 GB | 1 GB |
| RAM type | - | LPDDR4 | LPDDR4 | LPDDR4 |
| RAM channels | Single channel | Single channel | Single channel | Single channel |
| RAM frequency | 666 MHz | 666 MHz | 666 MHz | 933 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 |
| UFS 2.1 | eMMC 5.1 | UFS 2.1 | UFS 2.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC | 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 | IPS | IPS | IPS | IPS |
| Diagonal size | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm | 5.5 in 139.7 mm 13.97 cm | 5 in 127 mm 12.7 cm |
| Width | 2.1 in 53.22 mm 5.32 cm | 2.17 in 55.04 mm 5.5 cm | 2.38 in 60.54 mm 6.05 cm | 2.1 in 53.22 mm 5.32 cm |
| Height | 4.54 in 115.31 mm 11.53 cm | 4.51 in 114.46 mm 11.45 cm | 4.96 in 125.9 mm 12.59 cm | 4.54 in 115.31 mm 11.53 cm |
| Aspect ratio | 2.167:1 | 2.08:1 | 2.08:1 | 2.167:1 |
| Resolution | 1080 x 2340 pixels | 1080 x 2246 pixels | 1080 x 2246 pixels | 1080 x 2340 pixels |
| Pixel density | 515 ppi 202 ppcm | 498 ppi 195 ppcm | 453 ppi 178 ppcm | 515 ppi 202 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 61.94 % | 60.28 % | 66.02 % | 61.89 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| LTPS (Low Temperature PolySilicon) Anti-fingerprint coating 95% NTSC | Corning Gorilla Glass 2.5D curved glass screen 1000:1 contrast ratio 350 cd/m² | 2.5D curved glass screen OGS (One Glass Solution) Full Lamination Technology 400 cd/m² | Corning Gorilla Glass 3 550 cd/m² |
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 | Proximity Light Accelerometer |
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 model | GalaxyCore GC5005 | - | - | - |
| Sensor type | CMOS | CMOS | CMOS | CMOS |
| Sensor size | 2.92 x 2.2 mm 0.14 in | - | - | - |
| Pixel size | 1.127 µm 0.001127 mm | - | - | - |
| Crop factor | 11.84 | - | - | - |
| ISO | - | 100 - 1600 | - | - |
| Aperture | f/2 | f/2 | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | - | 3.5 mm | - | - |
| Number of lenses | - | - | - | 6 |
| Flash type | Dual LED | LED | Dual LED | LED |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 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 |
| 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 Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode | Autofocus Continuous shooting Digital zoom Digital image stabilization 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 Self-timer Scene mode |
| Interpolated resolution - 8 MP | Interpolated resolution - 13 MP | 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.
| Sensor model | GalaxyCore GC5005 | - | - | - |
| Sensor type | CMOS | - | - | - |
| Sensor size | 2.92 x 2.2 mm 0.14 in | - | - | - |
| Pixel size | 1.127 µm 0.001127 mm | - | - | - |
| Crop factor | 11.84 | - | - | - |
| Aperture | - | f/2.8 | f/2.4 | - |
| Focal length and 35 mm equivalent | - | 3.5 mm | - | - |
| Field of view | 88 ° | - | - | - |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP | 3648 x 2190 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP | - |
| Video FPS | 30 fps | 30 fps | 30 fps | - |
| Interpolated resolution - 8 MP | Interpolated resolution - 5 MP | Interpolated resolution - 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 |
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 | GРS А-GРS GLОΝАSS | GРS А-GРS GLОΝАSS | GРS А-GРS GLОΝАSS | GРS А-GРS GLОΝАSS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11а 802.11b 802.11g 802.11а 802.11ас 5GНz | 802.11b 802.11g 802.11а 802.11ас 5GНz | 802.11b 802.11g 802.11а 802.11ас 5GНz 802.11аd | 802.11b 802.11g 802.11а 802.11ас 5GНz |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.1 | 4.1 | 4.1 | 4.1 |
| Features | A2DP EDR LE | A2DP | A2DP | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | USB Type-C | USB Type-C | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | 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 HotKnot | Computer sync OTA sync Tethering HotKnot | 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 | 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+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AAC+ AMR eAAC+ FLAC MIDI MP3 WMA WAV | AAC 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 Flash Video MKV QuickTime MPEG-4 Xvid | 3GPP AVI DivX MKV MP4 Xvid | 3GPP AVI MKV MP4 WMV Xvid | 3GPP AVI H.263 H.264 MP4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2500 mAh | 4600 mAh | 2800 mAh | 1700 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer | Li-Ion |
| 2G talk time | - | 80 h 30 min 80.5 h 4830 min 3.4 days | 8 h 480 min 0.3 days | - |
| 2G stand-by time | - | 960 h 57600 min 40 days | 100 h 6000 min 4.2 days | - |
| 3G talk time | - | 80 h 30 min 80.5 h 4830 min 3.4 days | 7 h 420 min 0.3 days | - |
| 3G stand-by time | - | 960 h 57600 min 40 days | 90 h 5400 min 3.8 days | - |
| Charger output power | 5 V / 0.6 A | 5 V / 1.5 A | - | - |
| Features | Removable | Fast charging Removable | Fast charging Non-removable | Non-removable |
| Bluboo Picasso | Oukitel K4000 Pro | Oukitel U8 Universe Tap | Subor S3 |