Comparison between:
- UMIDIGI S2 Pro
- Gome U7
- Santin N1
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| UMIDIGI S2 Pro | Gome U7 | Santin N1 | |
 |  |  | |
| Model alias | - | 2017M27A | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 74.6 mm 7.46 cm 0.245 ft 2.937 in | 75.2 mm 7.52 cm 0.247 ft 2.961 in | 76.5 mm 7.65 cm 0.251 ft 3.012 in |
| Height | 158.1 mm 15.81 cm 0.519 ft 6.224 in | 161.5 mm 16.15 cm 0.53 ft 6.358 in | 156 mm 15.6 cm 0.512 ft 6.142 in |
| Thickness | 8.8 mm 0.88 cm 0.029 ft 0.346 in | 7.5 mm 0.75 cm 0.025 ft 0.295 in | 7.8 mm 0.78 cm 0.026 ft 0.307 in |
| Weight | 186 g 0.41 lbs 6.56 oz | 164 g 0.36 lbs 5.78 oz | 162 g 0.36 lbs 5.72 oz |
| Volume | 103.79 cm³ 6.3 in³ | 91.09 cm³ 5.53 in³ | 93.09 cm³ 5.65 in³ |
| Colors | Black Red | Black Blue | Black Rose-gold Champagne Red |
| Body materials | Aluminium alloy | Metal | Metal Plastic |
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 Nano-SIM / microSD | Nano-SIM Nano-SIM / microSD | Micro-SIM Nano-SIM / microSD |
| Number of SIM cards | 2 | 2 | 2 |
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 |
| CDMA | CDMA 800 MHz | - | - |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 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 | - |
| UMTS | - | - | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 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 700 MHz (B12) LTE 800 MHz (B19) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | LTE 850 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+ LTE Cat 6 EV-DO Rev. A | UMTS EDGE GPRS LTE Cat 6 TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 6 |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | UMI OS 2.0 (Android 7.0 Nougat) | Gome OS 2.0 (Android Nougat 7.1) | Android 7.1.1 Nougat |
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 Helio P25 (MT6757CD) | MediaTek Helio P25 (MT6757CD) | MediaTek Helio P25 (MT6757CD) |
| Process technology | 16 nm | 16 nm | 16 nm |
| CPU | 4x 2.6 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 | 4x 2.5 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 | 4x 2.4 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 256 KB + 256 KB | 256 KB + 256 KB | 256 KB + 256 KB |
| Level 2 cache memory (L2) | 2048 KB 2 MB | 2048 KB 2 MB | 2048 KB 2 MB |
| CPU cores | 8 | 8 | 8 |
| CPU frequency | 2600 MHz | 2500 MHz | 2400 MHz |
| GPU | ARM Mali-T880 MP2 | ARM Mali-T880 MP2 | ARM Mali-T880 MP2 |
| GPU cores | 2 | 2 | 2 |
| GPU frequency | 900 MHz | 900 MHz | 900 MHz |
| RAM capacity | 6 GB | 4 GB 6 GB | 4 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel | Double channel |
| RAM frequency | 1600 MHz | 1600 MHz | 1600 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB | 64 GB | 64 GB |
| eMMC 5.1 | - | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | 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 |
| Diagonal size | 6 in 152.4 mm 15.24 cm | 5.99 in 152.15 mm 15.21 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.68 in 68.16 mm 6.82 cm | 2.68 in 68.04 mm 6.8 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 5.37 in 136.31 mm 13.63 cm | 5.36 in 136.08 mm 13.61 cm | 4.79 in 121.76 mm 12.18 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2:1 2:1 (18:9) | 1.778:1 16:9 |
| Resolution | 1080 x 2160 pixels | 1080 x 2160 pixels | 1080 x 1920 pixels |
| Pixel density | 402 ppi 158 ppcm | 403 ppi 158 ppcm | 401 ppi 157 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 79.02 % | 76.49 % | 70.1 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch |
| Display manufacturer - Sharp Corning Gorilla Glass 4 2.5D curved glass screen 1500:1 contrast ratio 650 cd/m² | 2.5D curved glass screen | 2.5D curved glass screen |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Fingerprint Hall | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer Compass Fingerprint |
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 | Sony IMX258 Exmor RS | Sony IMX258 Exmor RS | Sony IMX258 Exmor RS |
| Sensor type | CMOS | CMOS | CMOS |
| Sensor size | 4.71 x 3.49 mm 0.23 in | 4.71 x 3.49 mm 0.23 in | 4.71 x 3.49 mm 0.23 in |
| Pixel size | 1.133 µm 0.001133 mm | 1.133 µm 0.001133 mm | 1.116 µm 0.001116 mm |
| Crop factor | 7.37 | 7.37 | 7.37 |
| Aperture | f/2 | - | f/2 |
| Focal length and 35 mm equivalent | 3.5 mm 25.81 mm *(35 mm / full frame) | - | 3.5 mm 25.81 mm *(35 mm / full frame) |
| Number of lenses | 5 | - | - |
| Flash type | - | LED | Dual LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP | 4224 x 3168 pixels 13.38 MP |
| Video resolution | 3840 x 2144 pixels 8.23 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 23 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 Phase detection autofocus (PDAF) | 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 Phase detection autofocus (PDAF) | 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 |
| Flash type - Quad LED Secondary rear camera - 5 MP (interpolated from 0.3 MP) Sensor model - GalaxyCore GC0310 (#2) Pixel size - 2.25 μm (#2) | - | Secondary rear camera - 13 MP (monochrome) Sensor model - Sony IMX258 Exmor RS (#2) Sensor type - CMOS (#2) Sensor size - 4.713 x 3.4944 mm (#2) |
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 | Samsung S5K3P3 | - | Samsung S5K3P3 |
| Sensor type | ISOCELL | - | ISOCELL |
| Sensor size | 4.74 x 3.56 mm 0.23 in | - | 4.74 x 3564 mm 140.09 in |
| Pixel size | 1.029 µm 0.001029 mm | - | 1.029 µm 0.001029 mm |
| Crop factor | 7.29 | - | 0.01 |
| Aperture | f/2 | - | f/2.2 |
| Focal length and 35 mm equivalent | 3.5 mm 25.53 mm *(35 mm / full frame) | - | 3.5 mm 0.04 mm *(35 mm / full frame) |
| Image resolution | 4608 x 3456 pixels 15.93 MP | 4160 x 3120 pixels 12.98 MP | 4608 x 3456 pixels 15.93 MP |
| Video resolution | 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 |
| Features | - | Face unlock | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Headphone adapter | Headphone adapter | - |
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 GLONASS | GPS A-GPS GLONASS | GPS A-GPS GLONASS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 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 | 4.1 | 4.0 | 4.1 |
| Features | 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 |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | 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 | No | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering VoLTE | 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 |
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 AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB 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 AVI MKV MP4 WebM WMV Xvid | 3GPP AVI Flash Video H.263 H.264 MKV QuickTime MP4 Xvid | 3GPP AVI DivX Flash Video H.263 H.264 H.265 MKV QuickTime MP4 WebM WMV 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 | 5100 mAh | 3050 mAh | 3200 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G stand-by time | 480 h 28800 min 20 days | - | - |
| 3G stand-by time | 480 h 28800 min 20 days | - | - |
| Charger output power | 5 V / 1.67 A 7 V / 1.67 A 9 V / 1.67 A 12 V / 1.25 A | 5 V / 2 A | 6 V / 3 A 9 V / 2 A 12 V / 1.5 A |
| Quick charge technology | MediaTek Pump Express Plus 2.0 | - | MediaTek Pump Express Plus |
| Features | Fast charging Non-removable | Non-removable | Fast charging Non-removable |
| UMIDIGI S2 Pro | Gome U7 | Santin N1 |