Comparison between:
- Cubot X12
- Xiaomi Redmi 8
- Xiaomi Redmi 8A
- Xiaomi Redmi Note 8
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 71.2 mm 7.12 cm 0.234 ft 2.803 in | 75.41 mm 7.541 cm 0.247 ft 2.969 in | 75.41 mm 7.541 cm 0.247 ft 2.969 in | 75.3 mm 7.53 cm 0.247 ft 2.965 in |
| Height | 143.8 mm 14.38 cm 0.472 ft 5.661 in | 156.48 mm 15.648 cm 0.513 ft 6.161 in | 156.48 mm 15.648 cm 0.513 ft 6.161 in | 158.3 mm 15.83 cm 0.519 ft 6.232 in |
| Thickness | 8.1 mm 0.81 cm 0.027 ft 0.319 in | 9.4 mm 0.94 cm 0.031 ft 0.37 in | 9.4 mm 0.94 cm 0.031 ft 0.37 in | 8.35 mm 0.835 cm 0.027 ft 0.329 in |
| Weight | 143 g 0.32 lbs 5.04 oz | 188 g 0.41 lbs 6.63 oz | 188 g 0.41 lbs 6.63 oz | 190 g 0.42 lbs 6.7 oz |
| Volume | 82.93 cm³ 5.04 in³ | 110.92 cm³ 6.74 in³ | 110.92 cm³ 6.74 in³ | 99.53 cm³ 6.04 in³ |
| Colors | Black Gold | Onyx Black Ruby Red Sapphire Blue | Midnight Black Ocean Blue Sunset Red | Meteorite Black Dream Blue White Nebula Purple |
| Body materials | Plastic Aluminium alloy | Plastic | Plastic | Aluminium alloy Plastic |
| Certification | - | - | - | IP52 |
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 | Nano-SIM | 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) | 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 (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) |
| CDMA | - | CDMA 800 MHz (BC0) CDMA 1900 MHz (BC1) | - | CDMA 800 MHz (BC0) |
| W-CDMA | W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| TD-SCDMA | - | TD-SCDMA 2000 MHz | - | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz |
| LTE | LТЕ 800 МНz LТЕ 1800 МНz LТЕ 2600 МНz | LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-ТDD 2500 МНz (В41) | LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-ТDD 2500 МНz (В41) | LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) 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 LТЕ Саt 4 | UМТS GРRS LТЕ | UМТS GРRS LТЕ | UМТS GРRS LТЕ Саt 12 |
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 | МΙUΙ 10 (Аndrоid 9.0 Рiе) | МΙUΙ 10 (Аndrоid 9.0 Рiе) | МΙUΙ V10 (Аndrоid 9.0 Рiе) МΙUΙ V11 (Аndrоid 9.0 Рiе) МΙUΙ V12 (Аndrоid 10) |
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 МТ6735М | Quаlсоmm Snарdrаgоn 439 (SDМ439) | Quаlсоmm Snарdrаgоn 439 (SDМ439) | Quаlсоmm Snарdrаgоn 665 (SМ6125) |
| Process technology | 28 nm | 12 nm | 12 nm | 11 nm |
| CPU | 4х 1.0 GНz АRМ Соrtех-А53 | 4х 1.95 GНz АRМ Соrtех-А53, 4х 1.45 GНz АRМ Соrtех-А53 | 4х 1.95 GНz АRМ Соrtех-А53, 4х 1.45 GНz АRМ Соrtех-А53 | 4х 2.0 GНz АRМ Соrtех-А73, 4х 1.8 GНz АRМ Соrtех-А53 (Κryо 260) |
| CPU bits | 32 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv7 | ARMv8-A | ARMv8-A | 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 | - | - | - |
| CPU cores | 4 | 8 | 8 | 8 |
| CPU frequency | 1000 MHz | 1950 MHz | 1950 MHz | 2000 MHz |
| GPU | ARM Mali-T720 MP2 | Qualcomm Adreno 505 | Qualcomm Adreno 505 | Qualcomm Adreno 610 |
| GPU cores | 2 | - | - | - |
| GPU frequency | 500 MHz | 650 MHz | 650 MHz | 950 MHz |
| RAM capacity | 1 GB | 3 GB 4 GB | 2 GB 3 GB | 4 GB 6 GB |
| RAM type | LPDDR4 | LPDDR4 | LPDDR4 | LPDDR4X |
| RAM channels | Single channel | Single channel | Single channel | Double channel |
| RAM frequency | 666 MHz | 933 MHz | 933 MHz | 1999 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 32 GB 64 GB | 32 GB | 64 GB 128 GB |
| UFS 2.0 | eMMC 5.1 | UFS 2.1 | eMMC 5.1 |
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 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 | 6.22 in 157.99 mm 15.8 cm | 6.22 in 157.91 mm 15.79 cm | 6.3 in 160.02 mm 16 cm |
| Width | 2.17 in 55.04 mm 5.5 cm | 2.55 in 64.83 mm 6.48 cm | 2.69 in 68.43 mm 6.84 cm | 3.01 in 76.52 mm 7.65 cm |
| Height | 4.51 in 114.46 mm 11.45 cm | 5.67 in 144.07 mm 14.41 cm | 5.6 in 142.31 mm 14.23 cm | 5.53 in 140.54 mm 14.05 cm |
| Aspect ratio | 2.08:1 | 2.222:1 | 2.08:1 | 1.837:1 |
| Resolution | 1080 x 2246 pixels | 1080 x 2400 pixels | 1080 x 2246 pixels | 1176 x 2160 pixels |
| Pixel density | 498 ppi 195 ppcm | 423 ppi 166 ppcm | 401 ppi 157 ppcm | 390 ppi 153 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 61.72 % | 79.41 % | 82.8 % | 90.51 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Scratch resistant |
| Full Lamination technology 1000:1 contrast ratio 450 cd/m² | In-cell 2.5D curved glass screen Corning Gorilla Glass 5 1500:1 70.8% NTSC | In-cell 2.5D curved glass screen 1500:1 70.8% NTSC | 2.5D curved glass screen Corning Gorilla Glass 5 TÜV Rheinland certification for low blue light emissions 1500:1 contrast ratio 84% NTSC |
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 | Proximity Light Accelerometer 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 IMX363 Exmor RS | Sony IMX363 Exmor RS | Samsung S5KGM1 |
| Sensor type | CMOS | CMOS | CMOS | ISOCELL |
| Sensor format | - | 1/2.55" | 1/2.55" | 1/2.25" |
| Pixel size | - | 1.4 µm 0.001400 mm | 1.4 µm 0.001400 mm | 0.8 µm 0.000800 mm |
| Aperture | - | f/1.8 | f/1.8 | f/1.79 |
| Focal length and 35 mm equivalent | - | - | - | 13 mm *(35 mm / full frame) |
| Field of view | - | - | - | 79.4 ° |
| Number of lenses | - | 6 | 6 | 6 |
| Flash type | LED | Dual LED | LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4032 x 3024 pixels 12.19 MP | 4032 x 3024 pixels 12.19 MP | 8000 x 6000 pixels 48 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 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 Phase detection autofocus (PDAF) | 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 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 Phase detection autofocus (PDAF) |
| - | Phase detection with Dual Pixel | Phase detection with Dual Pixel | Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection 1080p @ 120 fps 720p @ 240 fps Samsung S5KGM1 is also available |
Ultra-wide camera
Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.
| Sensor format | - | - | - | 1/4" |
| Pixel size | - | - | - | 1.12 µm 0.001120 mm |
| Aperture | - | - | - | f/2.2 |
| Field of view | - | - | - | 120 ° |
| Image resolution | - | - | - | 8 MP |
Macro camera
Specifications of the macro camera of the device. This type of camera in smartphones is used to snap close-up photos of tiny objects.
| Sensor format | - | - | - | 1/5" |
| Pixel size | - | - | - | 1.75 µm 0.001750 mm |
| Aperture | - | - | - | f/2.4 |
| Image resolution | - | - | - | 2 MP |
Depth-sensing camera
Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.
| Sensor format | - | - | - | 1/5" |
| Pixel size | - | - | - | 1.75 µm 0.001750 mm |
| Aperture | - | - | - | f/2.4 |
| Image resolution | - | 2 MP | - | 2 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 | - | - | - | OmniVision OV13855 |
| Sensor type | - | - | CMOS | PureCel |
| Sensor size | - | - | - | 4.75 x 3.54 mm 0.23 in |
| Pixel size | - | 1.12 µm 0.001120 mm | 1.12 µm 0.001120 mm | 1.12 µm 0.001120 mm |
| Crop factor | - | - | - | 7.31 |
| Aperture | - | f/2 | f/2 | f/2 |
| Focal length and 35 mm equivalent | - | - | - | 3.86 mm 28.21 mm *(35 mm / full frame) |
| Field of view | 84 ° | - | - | - |
| Image resolution | 2560 x 1920 pixels 4.92 MP | 3648 x 2190 pixels 7.99 MP | 3648 x 2190 pixels 7.99 MP | 4608 x 2875 pixels 13.25 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 |
| Features | - | Face unlock | Face unlock | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | Smart PA | Smart PA 0.82 CC acoustic chamber | Smart PA 1217 ultra-linear speaker |
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 | 802.11b 802.11g 802.11а 802.11ас 5GНz 802.11аd | 802.11b 802.11g 802.11а 802.11ас 5GНz | 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11ас 5GНz | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 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 | 4.2 | 4.2 | 4.2 |
| Features | A2DP | A2DP LE | A2DP LE | A2DP EDR HID LE |
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 On-The-Go | Charging Host Mass storage On-The-Go | Charging Host 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 | Yes | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering | Computer sync OTA sync Infrared Tethering VoLTE | Computer sync OTA sync Tethering VoLTE | 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 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 AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC |
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 H.263 H.264 MP4 Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 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 | 2200 mAh | 5000 mAh | 5000 mAh | 4000 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer | Li-Ion |
| Charger output power | - | 5 V / 2 A 9 V / 2 A | 5 V / 2 A 9 V / 2 A | 9 V / 2 A |
| Quick charge technology | - | - | Qualcomm Quick Charge 3.0 | Qualcomm Quick Charge 4.0 |
| Features | Removable | Fast charging Non-removable | Non-removable | Fast charging 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) | 0.525 W/kg | - | 0.481 W/kg | - |
| Body SAR (EU) | 0.745 W/kg | 1.21 W/kg | 1.63 W/kg | 0.644 W/kg |
| Head SAR (USA) | - | 0.168 W/kg | 0.593 W/kg | - |
| Body SAR (USA) | - | 0.844 W/kg | 1.264 W/kg | 0.617 W/kg |
| Head SAR (India) | - | 0.339 W/kg | 0.339 W/kg | 1.13 W/kg |
| Body SAR (India) | - | 1 W/kg | 1 W/kg | 0.634 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | M1908C3II - SAR (Specific Absorption Rate) India: head - 0.339 W/kg; body - 1.000 W/kg P2i nano-coating | MZB8298IN - SAR (Specific Absorption Rate) India: head - 0.339 W/kg; body - 1.000 W/kg P2i nano-coating | M1908C3JG - SAR (Specific Absorption Rate) EU: head - 0.191 W/kg; body - 1.034 W/kg M1908C3JG - SAR (Specific Absorption Rate) US: head - 0.374 W/kg; body - 0.987 W/kg M1908C3JH - SAR (Specific Absorption Rate) EU: head - 0.191 W/kg; body - 1.089 W/kg M1908C3JH - SAR (Specific Absorption Rate) US: head - 0.387 W/kg; body - 1.056 W/kg Anti-splash coating |
| Cubot X12 | Xiaomi Redmi 8 | Xiaomi Redmi 8A | Xiaomi Redmi Note 8 |



