Comparison between:
- Xiaomi Mi 9 Transparent Edition
- Xiaomi Mi 8 Explorer Edition
- Xiaomi Mi 8
- Xiaomi Mi 8 Screen Fingerprint Edition
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Mi 9 Transparent Edition | Xiaomi Mi 8 Explorer Edition | Xiaomi Mi 8 | Xiaomi Mi 8 Screen Fingerprint Edition | |
 |  |  |  | |
| Model alias | Mi9 Transparent Edition | Mi8 Explorer Edition | Mi8 | Mi 8 Pro Mi8Pro Mi8 Pro Mi 8 Under Display Edition |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 74.67 mm 7.467 cm 0.245 ft 2.94 in | 74.8 mm 7.48 cm 0.245 ft 2.945 in | 74.8 mm 7.48 cm 0.245 ft 2.945 in | 74.8 mm 7.48 cm 0.245 ft 2.945 in |
| Height | 157.5 mm 15.75 cm 0.517 ft 6.201 in | 154.9 mm 15.49 cm 0.508 ft 6.098 in | 154.9 mm 15.49 cm 0.508 ft 6.098 in | 154.9 mm 15.49 cm 0.508 ft 6.098 in |
| Thickness | 7.61 mm 0.761 cm 0.025 ft 0.3 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in |
| Weight | 173 g 0.38 lbs 6.1 oz | 177 g 0.39 lbs 6.24 oz | 175 g 0.39 lbs 6.17 oz | 177 g 0.39 lbs 6.24 oz |
| Volume | 89.5 cm³ 5.44 in³ | 88.06 cm³ 5.35 in³ | 88.06 cm³ 5.35 in³ | 88.06 cm³ 5.35 in³ |
| Colors | Black | Black | Black Blue White Gold | Black Red |
| Body materials | Aluminium alloy Glass | Aluminium alloy Glass | Aluminium alloy Glass | Aluminium alloy 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 | 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 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 | CDMA 800 MHz | CDMA 800 MHz | 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 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz |
| LTE | LТЕ 700 МНz Сlаss 17 LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2100 МНz LТЕ 2600 МНz LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ 700 МНz (В12) | LТЕ 700 МНz Сlаss 13 LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2100 МНz LТЕ 2600 МНz LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ 700 МНz (В12) | LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) LТЕ 700 МНz Сlаss 13 LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2100 МНz LТЕ 700 МНz (В12) | LТЕ 700 МНz Сlаss 17 LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 МНz LТЕ 2100 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-ТDD 2000 МНz (В34) |
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 | UМТS GРRS LТЕ Саt 18 | UМТS GРRS LТЕ Саt 18 | UМТS GРRS LТЕ Саt 18 |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | МΙUΙ V10 (Аndrоid 9.0 Рiе) | МΙUΙ V9.5 (Аndrоid 8.1 Оrео) МΙUΙ V10 (Аndrоid 8.1 Оrео) МΙUΙ V10.1 (Аndrоid 9.0 Рiе) | МΙUΙ V9.5 (Аndrоid 8.1 Оrео) МΙUΙ V10 (Аndrоid 8.1 Оrео) МΙUΙ V10.2 (Аndrоid 9.0 Рiе) МΙUΙ V10.3.2 (Аndrоid 9.0 Рiе) МΙUΙ 11.0.5 (Аndrоid 10) МΙUΙ 12.0.2 (Аndrоid 10) | МΙUΙ V10 (Аndrоid 8.1 Оrео) МΙUΙ V10 (Аndrоid 9.0 Рiе) |
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 855 (SМ8150) | Quаlсоmm Snарdrаgоn 845 (SDМ845) | Quаlсоmm Snарdrаgоn 845 (SDМ845) | Quаlсоmm Snарdrаgоn 845 (SDМ845) |
| Process technology | 7 nm | 10 nm | 10 nm | 10 nm |
| CPU | 1х 2.84 GНz АRМ Соrtех-А77, 3х 2.42 GНz АRМ Соrtех-А77, 4х 1.8 GНz АRМ Соrtех-А55 (Κryо 485) | 4х 2.8 GНz АRМ Соrtех-А75, 4х 1.8 GНz АRМ Соrtех-А55 (Κryо 385) | 4х 2.8 GНz АRМ Соrtех-А75, 4х 1.8 GНz АRМ Соrtех-А55 (Κryо 385) | 4х 2.8 GНz АRМ Соrtех-А75, 4х 1.8 GНz АRМ Соrtех-А55 (Κryо 385) |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8.2-A | ARMv8.2-A | ARMv8.2-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) | 1792 KB 1.75 MB | 1536 KB 1.5 MB | 1536 KB 1.5 MB | 1536 KB 1.5 MB |
| Level 3 cache memory (L3) | 2048 KB 2 MB | 2048 KB 2 MB | 2048 KB 2 MB | 2048 KB 2 MB |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2840 MHz | 2800 MHz | 2800 MHz | 2800 MHz |
| GPU | Qualcomm Adreno 640 | Qualcomm Adreno 630 | Qualcomm Adreno 630 | Qualcomm Adreno 630 |
| GPU frequency | 585 MHz | 710 MHz | 710 MHz | 710 MHz |
| RAM capacity | 12 GB | 4 GB 6 GB 8 GB | 6 GB 8 GB | 6 GB 8 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR4X | LPDDR4X |
| RAM channels | Quad channel | Double channel | Double channel | Double channel |
| RAM frequency | 2033 MHz | 1999 MHz | 1766 MHz | 1999 MHz |
| - | UFS 2.1 | - | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB | 64 GB 128 GB | 64 GB 128 GB 256 GB | 64 GB 128 GB |
| UFS 2.0 | eMMC 5.1 | UFS 2.0 | UFS 2.1 |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | Super AMOLED | Super AMOLED | Super AMOLED | Super AMOLED |
| Diagonal size | 6.39 in 162.31 mm 16.23 cm | 6.21 in 157.73 mm 15.77 cm | 6.21 in 157.73 mm 15.77 cm | 6.21 in 157.73 mm 15.77 cm |
| Width | 2.86 in 72.59 mm 7.26 cm | 2.97 in 75.42 mm 7.54 cm | 2.78 in 70.54 mm 7.05 cm | 2.55 in 64.73 mm 6.47 cm |
| Height | 5.72 in 145.17 mm 14.52 cm | 5.45 in 138.53 mm 13.85 cm | 5.55 in 141.08 mm 14.11 cm | 5.66 in 143.84 mm 14.38 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 1.837:1 | 2:1 2:1 (18:9) | 2.222:1 |
| Resolution | 720 x 1440 pixels | 1176 x 2160 pixels | 1080 x 2160 pixels | 1080 x 2400 pixels |
| Pixel density | 252 ppi 99 ppcm | 396 ppi 155 ppcm | 389 ppi 152 ppcm | 424 ppi 166 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 89.89 % | 90.47 % | 86.17 % | 80.62 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Display manufacturer - Samsung Corning Gorilla Glass 6 2.5D curved glass screen Always-On Display 60000:1 contrast ratio 430 cd/m² Peak brightness - 600 cd/m² 103.8% NTSC DC dimming HDR10 | Display manufacturer - Samsung Corning Gorilla Glass 5 2.5D curved glass screen Always-On Display 60000:1 contrast ratio 600 cd/m² Always-On Display HDR10 | Display manufacturer - Samsung Corning Gorilla Glass 5 2.5D curved glass screen Always-On Display 60000:1 contrast ratio 600 cd/m² 430 cd/m² typical brightness HDR10 | Display manufacturer - Samsung Corning Gorilla Glass 5 2.5D curved glass screen Always-On Display 60000:1 contrast ratio 600 cd/m² 430 cd/m² typical brightness HDR10 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall |
| In-display fingerprint sensor Step detector Step counter | Fingerprint sensor model - Synaptics FS9500 Clear ID / Goodix (In-display fingerprint sensor) Infrared camera - OmniVision OV7251 (1/7.5-inch sensor; 3.0 μm) Step detector Step counter | Fingerprint sensor model - Fingerprint Cards FPC1291 Infrared camera - OmniVision OV7251 (1/7.5-inch sensor; 3.0 μm) Step detector Step counter | Fingerprint sensor model - Synaptics FS9500 Clear ID / Goodix (In-display fingerprint sensor) Infrared camera - OmniVision OV7251 (1/7.5-inch sensor; 3.0 μm) Step detector Step counter |
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 IMX586 Exmor RS | Sony IMX363 Exmor RS | Sony IMX363 Exmor RS | Sony IMX363 Exmor RS |
| Sensor type | CMOS BSI | CMOS | CMOS | CMOS |
| Sensor format | 1/2" | 1/2.55" | 1/2.55" | 1/2.55" |
| Pixel size | 0.8 µm 0.000800 mm | 1.4 µm 0.001400 mm | 1.4 µm 0.001400 mm | 1.4 µm 0.001400 mm |
| ISO | 100 - 3200 | 100 - 3200 | 100 - 3200 | 100 - 3200 |
| Aperture | f/1.47 | f/1.8 | f/1.8 | f/1.8 |
| Focal length and 35 mm equivalent | 4.75 mm 27 mm *(35 mm / full frame) | 4.22 mm 21 mm *(35 mm / full frame) | 4.22 mm 21 mm *(35 mm / full frame) | 21 mm *(35 mm / full frame) |
| Number of lenses | 7 | - | - | - |
| Flash type | Dual LED | Dual LED | Dual LED | Dual LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 4032 x 3024 pixels 12.19 MP | 4032 x 3024 pixels 12.19 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 60 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Phase detection autofocus (PDAF) Laser autofocus (LAF) Contrast detection autofocus (CDAF) | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode RAW Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) RAW | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode RAW Phase detection autofocus (PDAF) |
| Pixel size - 1.6 μm (4-in-1 pixel binning) Sapphire crystal glass lens cover 1080p @ 960 fps 720p @ 960 fps | Phase detection with Dual Pixel 4-axis OIS 1080p @ 240 fps 720p @ 960 fps | Phase detection with Dual Pixel 4-axis OIS 1080p @ 240 fps 720p @ 960 fps | Phase detection with Dual Pixel 4-axis OIS 1080p @ 240 fps 720p @ 240 fps |
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 model | Sony IMX481 Exmor RS | - | - | - |
| Sensor format | 1/3" | - | - | - |
| Pixel size | 1 µm 0.001000 mm | - | - | - |
| Aperture | f/2.2 | - | - | - |
| Focal length equivalent (35 mm) | 17 mm *(35 mm / full frame) | - | - | - |
| Field of view | 117 ° | - | - | - |
| Number of lenses | 6 | - | - | - |
| Image resolution | 16 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 | Samsung S5K3M5 | Samsung S5K3M3 | Samsung S5K3M3 | Samsung S5K3M3 |
| Sensor format | 1/3.4" | 1/3.4" | 1/3.4" | 1/3.4" |
| Pixel size | 1 µm 0.001000 mm | 1 µm 0.001000 mm | 1 µm 0.001000 mm | 1 µm 0.001000 mm |
| Aperture | f/2.2 | f/2.4 | f/2.4 | f/2.4 |
| Focal length equivalent (35 mm) | 51 mm *(35 mm / full frame) | - | - | - |
| Number of lenses | 6 | - | - | - |
| Image resolution | 12 MP | 12 MP | 12 MP | 12 MP |
| Sensor type - ISOCELL | Sensor type - ISOCELL | Sensor type - ISOCELL | Sensor type - ISOCELL |
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 S5K3T1 | Samsung S5K3T1 | Samsung S5K3T1 |
| Sensor type | - | ISOCELL | ISOCELL | ISOCELL |
| Pixel size | 0.9 µm 0.000900 mm | 1.8 µm 0.001800 mm | 1.8 µm 0.001800 mm | 1.8 µm 0.001800 mm |
| Aperture | f/2 | f/2 | f/2 | f/2 |
| Focal length and 35 mm equivalent | 3.52 mm 18 mm *(35 mm / full frame) | 3.58 mm 18 mm *(35 mm / full frame) | 3.58 mm 18 mm *(35 mm / full frame) | 18 mm *(35 mm / full frame) |
| Image resolution | 5440 x 3697 pixels 20.11 MP | 5504 x 3572 pixels 19.66 MP | 5376 x 3657 pixels 19.66 MP | 5504 x 3572 pixels 19.66 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Headphone adapter | Headphone adapter | Headphone adapter | Headphone adapter |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No | No | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS | 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 802.11аd | 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 | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11ас 5GНz |
| 2x2 MiMO | 2x2 MiMO | 2x2 MiMO | 2x2 MiMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.0 | 5.0 | 5.0 |
| Features | A2DP LE | A2DP LE | A2DP LE | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | USB Type-C | Micro USB | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Host Mass storage On-The-Go | Charging Host Mass storage On-The-Go | Charging Host Mass storage On-The-Go | Charging Host 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 | No | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering DLNA NFC VoLTE | Computer sync OTA sync Tethering DLNA NFC VoLTE | Computer sync OTA sync Tethering DLNA NFC VoLTE | Computer sync OTA sync Tethering DLNA NFC 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 AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AAC+ AMR AMR-WB aptX aptX HD 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 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 | 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 | 3300 mAh | 3000 mAh | 3400 mAh | 3000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 3 A 9 V / 3 A 12 V / 2.25 A 20 V / 1.35 A | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A |
| Quick charge technology | Qualcomm Quick Charge 4+ | Qualcomm Quick Charge 4+ | Qualcomm Quick Charge 4+ | Qualcomm Quick Charge 4+ |
| Features | Wireless charging Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
| Wireless charging - 20 W | - | Battery model: BM3E | Battery model: BM3E |
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) | 1.839 W/kg | - | 0.451 W/kg | 0.719 W/kg |
| Body SAR (EU) | 1.721 W/kg | - | 1.392 W/kg | 1.261 W/kg |
| Head SAR (USA) | 1.36 W/kg | - | 0.7 W/kg | - |
| Body SAR (USA) | 1.4 W/kg | - | 1.09 W/kg | - |
| Xiaomi Mi 9 Transparent Edition | Xiaomi Mi 8 Explorer Edition | Xiaomi Mi 8 | Xiaomi Mi 8 Screen Fingerprint Edition |