Comparison between:
- Xiaomi Mi A1
- Xiaomi Redmi Note 8 Pro
- Xiaomi Redmi Pro Standard Edition
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Mi A1 | Xiaomi Redmi Note 8 Pro | Xiaomi Redmi Pro Standard Edition | |
 |  |  | |
| Model alias | - | Redmi Note8 Pro Red Rice Note 8 Pro Red Rice Note8 Pro G7 2015105 M1906G7G M1906G7I M1906G7E M1906G7T | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.8 mm 7.58 cm 0.249 ft 2.984 in | 76.4 mm 7.64 cm 0.251 ft 3.008 in | 76.2 mm 7.62 cm 0.25 ft 3 in |
| Height | 155.4 mm 15.54 cm 0.51 ft 6.118 in | 161.35 mm 16.135 cm 0.529 ft 6.352 in | 151.5 mm 15.15 cm 0.497 ft 5.965 in |
| Thickness | 7.3 mm 0.73 cm 0.024 ft 0.287 in | 8.79 mm 0.879 cm 0.029 ft 0.346 in | 8.15 mm 0.815 cm 0.027 ft 0.321 in |
| Weight | 168 g 0.37 lbs 5.93 oz | 199 g 0.44 lbs 7.05 oz | 174 g 0.38 lbs 6.14 oz |
| Volume | 85.99 cm³ 5.22 in³ | 108.36 cm³ 6.58 in³ | 94.09 cm³ 5.71 in³ |
| Colors | Gold Black Rose-gold Red | Mineral Grey Pearl White Forest Green | Silver Gold Gray |
| Body materials | Metal | Glass Plastic | Aluminium alloy |
| 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 / microSD Micro-SIM | Nano-SIM Nano-SIM / microSD | Nano-SIM / microSD Nano-SIM |
| Number of SIM cards | 2 | 2 | 2 |
| Features | - | 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 900 МНz GSМ 1800 МНz |
| CDMA | - | CDMA 800 MHz (BC0) | CDMA 800 MHz |
| W-CDMA | - | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | - | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| UMTS | UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz | - | - |
| LTE | LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2100 МНz LТЕ 2600 МНz LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) | 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) | LТЕ 850 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2100 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 LТЕ Саt 6 | UМТS GРRS LТЕ Саt 12 | UМТS GРRS LТЕ Саt 6 |
| - | 3CA 256-QAM 4x4 MIMO | - |
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 7.1.2 Νоugаt Аndrоid 8.0 Оrео Аndrоid 8.1 Оrео Аndrоid 9.0 Рiе | МΙUΙ V10 (Аndrоid 9.0 Рiе) | МΙUΙ V8.0.1.0 (Аndrоid 6.0 Маrshmаllоw) МΙUΙ V9 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 | Quаlсоmm Snарdrаgоn 625 (МSМ8953) | МеdiаТеk Неliо G90Т (МТ6785V/СС) | МеdiаТеk Неliо Х20 (МТ6797) |
| Process technology | 14 nm | 12 nm | 20 nm |
| CPU | 8х 2.0 GНz АRМ Соrtех-А53 | 2х 2.05 GНz АRМ Соrtех-А76, 6х 2.0 GНz АRМ Соrtех-А55 | 2х 2.1 GНz АRМ Соrtех-А72, 4х 1.85 GНz АRМ Соrtех-А53, 4х 1.4 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 | 10 |
| CPU frequency | 2000 MHz | 2000 MHz | 2100 MHz |
| GPU | Qualcomm Adreno 506 | ARM Mali-G76 3EEMC4 | ARM Mali-T880 MP4 |
| GPU cores | - | 4 | 4 |
| GPU frequency | 650 MHz | 700 MHz | 780 MHz |
| RAM capacity | 4 GB | 6 GB 8 GB | 3 GB |
| RAM type | LPDDR4 | LPDDR4X | LPDDR4 |
| RAM channels | Single channel | Double channel | Double channel |
| RAM frequency | 1066 MHz | 2033 MHz | 933 MHz |
| - | MediaTek HyperEngine Mi Turbo Game Turbo 2.0 Liquid cooling system | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB | 64 GB 128 GB | 32 GB |
| eMMC 5.1 | UFS 2.0 | UFS 2.1 |
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 | OLED |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 6.53 in 165.86 mm 16.59 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.26 in 57.33 mm 5.73 cm | 2.92 in 74.18 mm 7.42 cm | 2.38 in 60.54 mm 6.05 cm |
| Height | 5.02 in 127.4 mm 12.74 cm | 5.84 in 148.35 mm 14.84 cm | 4.96 in 125.9 mm 12.59 cm |
| Aspect ratio | 2.222:1 | 2:1 2:1 (18:9) | 2.08:1 |
| Resolution | 1080 x 2400 pixels | 1080 x 2160 pixels | 1080 x 2246 pixels |
| Pixel density | 479 ppi 188 ppcm | 370 ppi 145 ppcm | 453 ppi 178 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 62.2 % | 89.56 % | 66.24 % |
| Other features | Capacitive Multi-touch | Capacitive Scratch resistant | Capacitive Multi-touch |
| Display manufacturer - Tianma Corning Gorilla Glass 3 2.5D curved glass screen LTPS (Low Temperature PolySilicon) 1000:1 contrast ratio 450 cd/m² | 2.5D curved glass screen Corning Gorilla Glass 5 Oleophobic coating TÜV Rheinland certification for low blue light emissions Chip-on-foil (COF) IC packaging technology 1500:1 contrast ratio 500 cd/m² typical brightness 420 cd/m² minimum brightness 84% NTSC HDR | 2.5D curved glass screen 100% NTSC 60000:1 contrast 350 cd/m² |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| Fingerprint sensor model - Fingerprint Cards FPC1035 | - | Fingerprint sensor model - Fingerprint Cards FPC1245 |
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 OV12A10 | Samsung S5KGW1 | Sony IMX258 Exmor RS |
| Sensor type | PureCel | ISOCELL | CMOS |
| Sensor size | 5.11 x 3.84 mm 0.25 in | - | 4.71 x 3.49 mm 0.23 in |
| Sensor format | - | 1/1.72" | - |
| Pixel size | 1.277 µm 0.001277 mm | 0.8 µm 0.000800 mm | 1.133 µm 0.001133 mm |
| Crop factor | 6.77 | - | 7.37 |
| ISO | 100 - 3200 | - | 100 - 1600 |
| Aperture | f/2.2 | f/1.89 | f/2 |
| Focal length and 35 mm equivalent | 3.81 mm 25.81 mm *(35 mm / full frame) | - | 3.5 mm 25.81 mm *(35 mm / full frame) |
| Field of view | - | 79 ° | - |
| Number of lenses | 5 | 6 | - |
| Flash type | Dual LED | Dual LED | Dual LED |
| Image resolution | 4000 x 3000 pixels 12 MP | 9248 x 6936 pixels 64.14 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video 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 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) | 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 |
| Sensor type - PureCel Plus 720p @ 120 fps | Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection 1080p @ 120 fps 720p @ 960 fps | ImagiQ - depth of field image processor Secondary rear camera - 5 MP Sensor model - Samsung S5K5E8 (#2) Sensor type - CMOS BSI (#2) Sensor size - 2.9 x 2.15 mm (#2) Pixel size - 1.12 μm (#2) 5-element lens for both cameras |
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 | - |
| Focal length equivalent (35 mm) | - | 13 mm *(35 mm / full frame) | - |
| Field of view | - | 120 ° | - |
| Image resolution | - | 8 MP | - |
Telephoto camera
Specifications of the telephoto camera. These cameras are used to capture distant objects by using optical zoom to make them look closer without losing resolution and detail.
| Sensor model | OmniVision OV13880 | - | - |
| Pixel size | 1 µm 0.001000 mm | - | - |
| Aperture | f/2.6 | - | - |
| Focal length equivalent (35 mm) | 50 mm *(35 mm / full frame) | - | - |
| Number of lenses | 5 | - | - |
| Image resolution | 12 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 | - |
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 S5K5E8 | Samsung S5K3T1 | Samsung S5K5E8 |
| Sensor type | CMOS BSI | ISOCELL | CMOS BSI |
| Sensor size | 2.9 x 2.15 mm 0.14 in | - | 2.9 x 2.15 mm 0.14 in |
| Sensor format | - | 1/3.1" | - |
| Pixel size | 1.119 µm 0.001119 mm | 0.9 µm 0.000900 mm | 1.119 µm 0.001119 mm |
| Crop factor | 11.99 | - | 11.99 |
| Aperture | f/2 | f/2 | f/2 |
| Focal length and 35 mm equivalent | 3 mm 35.96 mm *(35 mm / full frame) | - | 3.5 mm 41.95 mm *(35 mm / full frame) |
| Field of view | - | - | 85 ° |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 5440 x 3697 pixels 20.11 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | - | Face unlock | - |
| - | Pixel size - 1.8 μm (4-in-1 pixel binning) HDR | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Dirac HD Sound DHS Audio Calibration Algorithm | Smart PA 10V Boost 1217 super-linear speaker Active noise cancellation with a dedicated microphone | - |
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 | GРS А-GРS GLОΝАSS | 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 | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11ас 5GНz | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11аd | 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 | 4.2 | 5.0 | 4.2 |
| Features | A2DP HID | A2DP EDR HID LE | A2DP HID |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | Micro USB | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Host 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 | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering VoLTE | Computer sync OTA sync Infrared Tethering NFC VoLTE ViLTE | Computer sync OTA sync Infrared Tethering |
| - | NXP-SN100T chip for 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 AAC+ AC3 AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC 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 | 3GPP AVI H.263 H.264 MKV MP4 VC-1 VP8 Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI H.263 H.264 MKV VC-1 VP8 WMV Xvid ASF |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 3080 mAh | 4500 mAh | 4050 mAh |
| Type | Li-Polymer | Li-Ion | Li-Polymer |
| Charger output power | 5 V / 2 A | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A | 5 V / 2 A |
| Quick charge technology | - | MediaTek Pump Express 4.0, Qualcomm Quick Charge 3.0, Quick Charge 4+, USB Power Delivery 3.0 | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
| Battery model: BN31 | - | Battery model: BM4A |
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) | 1.5 W/kg | 0.747 W/kg | - |
| Body SAR (EU) | 0.49 W/kg | 1.176 W/kg | - |
| Head SAR (USA) | 0.95 W/kg | 0.84 W/kg | - |
| Body SAR (USA) | - | 0.95 W/kg | - |
| Head SAR (India) | - | 1.13 W/kg | - |
| Body SAR (India) | - | 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 | - | Anti-splash coating | - |
| Xiaomi Mi A1 | Xiaomi Redmi Note 8 Pro | Xiaomi Redmi Pro Standard Edition |
