Comparison between:
- Lenovo P770
- Lenovo S660
- Blackview BV6000
- Xiaomi Redmi 4X
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Lenovo P770 | Lenovo S660 | Blackview BV6000 | Xiaomi Redmi 4X | |
 |  |  |  | |
| Model alias | IdeaPhone P770 | - | - | Hongmi 4X Red Rice 4X |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 67 mm 6.7 cm 0.22 ft 2.638 in | 68.8 mm 6.88 cm 0.226 ft 2.709 in | 81 mm 8.1 cm 0.266 ft 3.189 in | 69.96 mm 6.996 cm 0.23 ft 2.754 in |
| Height | 132 mm 13.2 cm 0.433 ft 5.197 in | 137 mm 13.7 cm 0.449 ft 5.394 in | 152.3 mm 15.23 cm 0.5 ft 5.996 in | 139.24 mm 13.924 cm 0.457 ft 5.482 in |
| Thickness | 11.7 mm 1.17 cm 0.038 ft 0.461 in | 9.95 mm 0.995 cm 0.033 ft 0.392 in | 16.6 mm 1.66 cm 0.054 ft 0.654 in | 8.65 mm 0.865 cm 0.028 ft 0.341 in |
| Weight | 162 g 0.36 lbs 5.71 oz | 151 g 0.33 lbs 5.33 oz | 247 g 0.54 lbs 8.71 oz | 150 g 0.33 lbs 5.29 oz |
| Volume | 103.47 cm³ 6.28 in³ | 93.78 cm³ 5.7 in³ | 204.78 cm³ 12.44 in³ | 84.26 cm³ 5.12 in³ |
| Colors | - | Black | Black Green Yellow | Black Pink Champagne |
| Body materials | - | Aluminium alloy | Metal Plastic | Metal |
| Certification | - | - | 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 | Mini-SIM | Micro-SIM | Nano-SIM / microSD Nano-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) | - |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | 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 |
| CDMA | - | - | - | CDMA 800 MHz |
| W-CDMA | - | - | 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 |
| UMTS | UMTS 2100 MHz | UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz | - | - |
| LTE | - | - | LТЕ 800 МНz LТЕ 1800 МНz LТЕ 2600 МНz | LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) LТЕ 850 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2600 МНz |
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 | UМТS GРRS LТЕ Саt 6 | UМТS GРRS LТЕ Саt 4 |
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 4.1.1 Jеlly Веаn | Аndrоid 4.2.2 Jеlly Веаn Аndrоid 4.4.2 ΚitΚаt | Аndrоid 6.0 Маrshmаllоw Аndrоid 7.0 Νоugаt | МΙUΙ V8 (Аndrоid 6.0.1 Маrshmаllоw) МΙUΙ V8.2 (Аndrоid 7.1.1 Νоugаt) МΙUΙ V10 |
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 МТ6577Т | МеdiаТеk МТ6582М | МеdiаТеk Неliо Р10 (МТ6755) | Quаlсоmm Snарdrаgоn 435 (МSМ8940) |
| Process technology | 40 nm | 28 nm | 28 nm | 28 nm |
| CPU | 2х 1.2 GНz АRМ Соrtех-А9 | 4х 1.3 GНz АRМ Соrtех-А7 | 4х 2.0 GНz АRМ Соrtех-А53, 4х 1.2 GНz АRМ Соrtех-А53 | 4х 1.4 GНz АRМ Соrtех-А53, 4х 1.1 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 32 bit |
| Instruction set | ARMv8 | ARMv8 | ARMv8-A | ARMv7 |
| 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 | 512 KB 0.5 MB | 2048 KB 2 MB | - |
| CPU cores | 2 | 4 | 8 | 8 |
| CPU frequency | 1200 MHz | 1300 MHz | 2000 MHz | 1400 MHz |
| GPU | IMG PowerVR SGX531 Ultra | ARM Mali-400 MP2 | ARM Mali-T860 MP2 | Qualcomm Adreno 505 |
| GPU cores | - | 2 | 2 | - |
| GPU frequency | 522 MHz | 400 MHz | 700 MHz | 475 MHz |
| RAM capacity | 1 GB | 1 GB | 3 GB | 2 GB 3 GB |
| RAM type | LPDDR2 | LPDDR2/LPDDR3 | LPDDR3 | LPDDR4 |
| RAM channels | Single channel | Single channel | Single channel | Single channel |
| RAM frequency | 433 MHz | 433 MHz | 833 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 4 GB | 8 GB | 32 GB | 16 GB 32 GB 64 GB |
| eMMC | - | - | eMMC 5.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC | microSD microSDHC | - | microSD microSDHC microSDXC |
| Included card | 8 GB 8192 MB | - | - | - |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | IPS | LCD | IPS |
| Diagonal size | 4.5 in 114.3 mm 11.43 cm | 4.7 in 119.38 mm 11.94 cm | 4.7 in 119.38 mm 11.94 cm | 5 in 127 mm 12.7 cm |
| Width | 2.01 in 51.12 mm 5.11 cm | 2.01 in 51.1 mm 5.11 cm | 2.1 in 53.39 mm 5.34 cm | 2.05 in 52.12 mm 5.21 cm |
| Height | 4.02 in 102.23 mm 10.22 cm | 4.25 in 107.89 mm 10.79 cm | 4.2 in 106.78 mm 10.68 cm | 4.56 in 115.81 mm 11.58 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2.111:1 | 2:1 2:1 (18:9) | 2.222:1 |
| Resolution | 720 x 1440 pixels | 720 x 1520 pixels | 720 x 1440 pixels | 1080 x 2400 pixels |
| Pixel density | 358 ppi 140 ppcm | 358 ppi 140 ppcm | 343 ppi 134 ppcm | 526 ppi 206 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 59.28 % | 58.69 % | 46.36 % | 62.16 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| - | - | Corning Gorilla Glass 3 | 2.5D curved glass screen 1000:1 contrast ratio 450 cd/m² 72% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Accelerometer | Proximity Light Accelerometer | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Gyroscope |
| - | - | - | Fingerprint sensor model - Fingerprint Cards FPC1035 |
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 | - | - | OmniVision OV13853 | Samsung S5K3L8 |
| Sensor type | - | CMOS | PureCel | ISOCELL |
| Sensor size | - | - | 4.82 x 3.68 mm 0.24 in | 4.69 x 3.52 mm 0.23 in |
| Sensor format | - | - | - | 1/3.1" |
| Pixel size | - | - | 1.157 µm 0.001157 mm | 1.127 µm 0.001127 mm |
| Crop factor | - | - | 7.14 | 7.38 |
| ISO | - | 100 - 1600 | - | - |
| Aperture | - | f/2.4 | f/2.2 | f/2 |
| Focal length and 35 mm equivalent | - | - | 3.5 mm 24.99 mm *(35 mm / full frame) | 3.57 mm 26.34 mm *(35 mm / full frame) |
| Number of lenses | - | - | - | 5 |
| Flash type | LED | LED | LED | LED |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | - | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video 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 Self-timer Scene mode Macro 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 Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| - | - | Interpolated resolution - 16 MP | Pixel size - 1.12 µm Sensor type - ISOCELL Fast |
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 | - | - | Hynix Hi-553 | OmniVision OV5675 |
| Sensor type | - | - | CMOS BSI | PureCel |
| Sensor size | - | - | 2.92 x 2.2 mm 0.14 in | 2.98 x 2.21 mm 0.15 in |
| Sensor format | - | - | - | 1/5" |
| Pixel size | - | - | 1.141 µm 0.001141 mm | 1.12 µm 0.001120 mm |
| Crop factor | - | - | 11.84 | 11.66 |
| Aperture | - | - | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | - | - | 3.5 mm 41.44 mm *(35 mm / full frame) | 2.64 mm 30.79 mm *(35 mm / full frame) |
| Field of view | - | - | 85 ° | - |
| Image resolution | - | 574 x 430 pixels 0.25 MP | 2560 x 1920 pixels 4.92 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | - | - | - | 1280 x 720 pixels 0.92 MP |
| Video FPS | - | - | - | 30 fps |
| - | - | Interpolated resolution - 8 MP | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker | Loudspeaker Earpiece | Loudspeaker | 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 | GРS А-GРS | GРS А-GРS | 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 | 802.11b 802.11g 802.11а | 802.11b 802.11g 802.11а | 802.11b 802.11g 802.11а | 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 | 3.0 | 4.1 | 4.2 | 4.2 |
| Features | A2DP EDR HS | A2DP | A2DP | A2DP HID |
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 | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging | Charging Mass storage | 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 | Computer sync OTA sync Tethering NFC | Computer sync OTA sync Infrared Tethering VoLTE |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML | 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 | eAAC+ MP3 WMA WAV | eAAC+ MP3 WMA WAV | AAC AMR eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AC3 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 | H.263 H.264 MP4 WMV | H.263 H.264 MP4 | 3GPP AVI DivX Flash Video MKV QuickTime MP4 WMV Xvid | 3GPP AVI H.263 H.264 MKV MP4 VC-1 VP8 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 | 3500 mAh | 3000 mAh | 4500 mAh | 4100 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | 30 h 1800 min 1.3 days | 10 h 600 min 0.4 days | 24 h 1440 min 1 days | 36 h 2160 min 1.5 days |
| 2G stand-by time | 300 h 18000 min 12.5 days | - | 504 h 30240 min 21 days | 432 h 25920 min 18 days |
| 3G talk time | 30 h 1800 min 1.3 days | 7 h 420 min 0.3 days | 24 h 1440 min 1 days | 18 h 1080 min 0.8 days |
| 3G stand-by time | 300 h 18000 min 12.5 days | - | 504 h 30240 min 21 days | 432 h 25920 min 18 days |
| 4G stand-by time | - | - | - | 432 h 25920 min 18 days |
| Charger output power | - | - | 5 V / 2 A | 5 V / 2 A |
| Features | Removable | Removable | Fast charging Non-removable | Non-removable |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | - | - | - | 0.333 W/kg |
| Body SAR (EU) | - | - | - | 1.23 W/kg |
| Head SAR (USA) | - | 0.439 W/kg | 0.54 W/kg | 0.44 W/kg |
| Body SAR (USA) | - | 0.404 W/kg | 0.94 W/kg | 0.382 W/kg |
| Lenovo P770 | Lenovo S660 | Blackview BV6000 | Xiaomi Redmi 4X |
