Comparison between:
- Xiaomi Mi 9T
- Xiaomi Redmi Note 4 SD625
- Xiaomi Redmi 4 High Version
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Mi 9T | Xiaomi Redmi Note 4 SD625 | Xiaomi Redmi 4 High Version | |
 |  |  | |
| Model alias | - | Hongmi Note 4 MSM8953 Red Rise Note 4 MSM8953 | Hongmi 4 High Version Red Rise 4 High Version Redmi 4 Prime Hongmi 4 Prime Red Rise 4 Prime |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 74.3 mm 7.43 cm 0.244 ft 2.925 in | 76 mm 7.6 cm 0.249 ft 2.992 in | 69.6 mm 6.96 cm 0.228 ft 2.74 in |
| Height | 156.7 mm 15.67 cm 0.514 ft 6.169 in | 151 mm 15.1 cm 0.495 ft 5.945 in | 141.3 mm 14.13 cm 0.464 ft 5.563 in |
| Thickness | 8.8 mm 0.88 cm 0.029 ft 0.346 in | 8.45 mm 0.845 cm 0.028 ft 0.333 in | 8.9 mm 0.89 cm 0.029 ft 0.35 in |
| Weight | 191 g 0.42 lbs 6.74 oz | 165 g 0.36 lbs 5.82 oz | 156 g 0.34 lbs 5.5 oz |
| Volume | 102.46 cm³ 6.22 in³ | 96.97 cm³ 5.89 in³ | 87.53 cm³ 5.32 in³ |
| Colors | Black Blue Red | Gray Gold Black | Gray Gold Silver |
| Body materials | Aluminium alloy Glass | Aluminium alloy | Metal |
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 | Micro-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 (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz |
| CDMA | - | - | CDMA 800 MHz CDMA 1900 MHz |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) 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 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| UMTS | - | - | UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz |
| LTE | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 2600 МНz (В38) | LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 2100 МНz LТЕ 2600 МНz LТЕ-ТDD 2600 МНz (В38) | LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) 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 LТЕ Саt 15 | UМТS GРRS LТЕ Саt 6 | UМТS GРRS LТЕ Саt 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) | МΙUΙ Glоbаl 10.3.11 (Аndrоid 9.0 Рiе) | МΙUΙ V8 (Аndrоid 6.0 Маrshmаllоw) МΙUΙ V8.5 (Аndrоid 7.0 Νоugаt) МΙUΙ V9 МΙUΙ V10 | МΙUΙ V8 (Аndrоid 6.0.1 Маrshmаllоw) МΙUΙ V9.1.1 (Аndrоid 7.1 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 | Quаlсоmm Snарdrаgоn 730 (SМ7150-АА) | Quаlсоmm Snарdrаgоn 625 (МSМ8953) | Quаlсоmm Snарdrаgоn 625 (МSМ8953) |
| Process technology | 8 nm | 14 nm | 14 nm |
| CPU | 2х 2.2 GНz АRМ Соrtех-А76, 6х 1.8 GНz АRМ Соrtех-А55 (Κryо 470) | 8х 2.0 GНz АRМ Соrtех-А53 | 8х 2.0 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 | 8 |
| CPU frequency | 2200 MHz | 2000 MHz | 2000 MHz |
| GPU | Qualcomm Adreno 618 | Qualcomm Adreno 506 | Qualcomm Adreno 506 |
| GPU frequency | 610 MHz | 650 MHz | 650 MHz |
| RAM capacity | 6 GB | 2 GB 3 GB 4 GB | 3 GB |
| RAM type | LPDDR4X | LPDDR3 | LPDDR4 |
| RAM channels | Double channel | Single channel | Single channel |
| RAM frequency | 1999 MHz | 833 MHz | 1066 MHz |
| 8-layer Graphite Stack Cooling System Mi Turbo Game Turbo 2.0 | - | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 32 GB 64 GB | 32 GB |
| UFS 2.1 | eMMC 5.0 | 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 |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | Super AMOLED | IPS | IPS |
| Diagonal size | 6.39 in 162.31 mm 16.23 cm | 5.5 in 139.7 mm 13.97 cm | 5 in 127 mm 12.7 cm |
| Width | 2.68 in 68.02 mm 6.8 cm | 2.7 in 68.49 mm 6.85 cm | 2.05 in 52.12 mm 5.21 cm |
| Height | 5.8 in 147.37 mm 14.74 cm | 4.79 in 121.76 mm 12.18 cm | 4.56 in 115.81 mm 11.58 cm |
| Aspect ratio | 2.167:1 | 1.778:1 16:9 | 2.222:1 |
| Resolution | 1080 x 2340 pixels | 1080 x 1920 pixels | 1080 x 2400 pixels |
| Pixel density | 403 ppi 158 ppcm | 401 ppi 157 ppcm | 526 ppi 206 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 86.37 % | 72.9 % | 61.57 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 5 2.5D curved glass screen 60000:1 contrast ratio 430 cd/m² Peak brightness - 600 cd/m² 103.8% NTSC 100% DCI-P3 Always-On Display DCI-P3 HDR10 | 2.5D curved glass screen 1000:1 contrast ratio 450 cd/m² 72% NTSC | 2.5D curved glass screen 1000:1 contrast ratio 72% NTSC |
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 Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| In-display fingerprint sensor (7th Gen.) Step detector Step counter | Fingerprint sensor model - Goodix | 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 | Sony IMX582 Exmor RS | Sony IMX258 Exmor RS | - |
| Sensor type | CMOS BSI | CMOS | CMOS |
| Sensor size | - | 4.71 x 3.49 mm 0.23 in | - |
| Sensor format | 1/2" | - | - |
| Pixel size | 0.8 µm 0.000800 mm | 1.133 µm 0.001133 mm | - |
| Crop factor | - | 7.37 | - |
| ISO | 100 - 3200 | 100 - 3200 | - |
| Aperture | f/1.75 | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | 4.77 mm 26 mm *(35 mm / full frame) | 3.57 mm 26.33 mm *(35 mm / full frame) | 3.66 mm |
| Field of view | 79 ° | - | - |
| Number of lenses | 6 | 5 | 5 |
| Flash type | Dual LED | Dual LED | Dual LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 3840 x 2160 pixels 8.29 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 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) Contrast detection autofocus (CDAF) | 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 Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| Pixel size - 1.6 μm (4-in-1 pixel binning) 1080p @ 960 fps 720p @ 960 fps | 720p @ 120 fps | 720p @ 120 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 | Samsung S5K3L6 | - | - |
| Sensor format | 1/3.1" | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | - |
| Aperture | f/2.4 | - | - |
| Focal length equivalent (35 mm) | 15 mm *(35 mm / full frame) | - | - |
| Field of view | 124.8 ° | - | - |
| Number of lenses | 5 | - | - |
| Image resolution | 13 MP | - | - |
| Sensor type - ISOCELL | - | - |
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 OV8856 | - | - |
| Aperture | f/2.4 | - | - |
| Focal length equivalent (35 mm) | 52 mm *(35 mm / full frame) | - | - |
| Field of view | 44.6 ° | - | - |
| Number of lenses | 5 | - | - |
| Optical zoom | 2 x | - | - |
| Image resolution | 8 MP | - | - |
| Sensor type - PureCel Sensor size - 3.6783 x 2.76768 mm | - | - |
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 | - |
| Sensor type | - | CMOS BSI | - |
| Sensor size | - | 2.9 x 2.15 mm 0.14 in | - |
| Pixel size | 0.8 µm 0.000800 mm | 1.133 µm 0.001133 mm | - |
| Crop factor | - | 11.99 | - |
| Aperture | f/2.2 | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | 3.52 mm 18 mm *(35 mm / full frame) | 2.64 mm 31.64 mm *(35 mm / full frame) | 2.15 mm |
| Field of view | - | 85 ° | - |
| Image resolution | 5568 x 3612 pixels 20.11 MP | 2560 x 1920 pixels 4.92 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 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 |
| Mechanical pop-up front camera Sapphire glass cover | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA Qualcomm WCD9340 audio chip 192 kHz/24 bit audio playback | - | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | 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 802.11аd | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а | 802.11а 802.11b 802.11g 802.11а 802.11ас 5GНz 802.11аd |
| 2x2 MiMO | - | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 4.2 | 4.2 |
| Features | A2DP LE | A2DP HID LE | A2DP HID |
| Qualcomm TrueWireless Stereo Plus | - | - |
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 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 | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering DLNA NFC VoLTE | Computer sync OTA sync Infrared Tethering VoLTE | Computer sync OTA sync Infrared Tethering |
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+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC aptX-adaptive | AAC AAC+ AMR AMR-WB eAAC+ FLAC 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 | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI H.263 H.264 H.265 MKV QuickTime VC-1 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 | 4000 mAh | 4100 mAh | 4100 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A | 5 V / 2 A | 5 V / 2 A |
| Quick charge technology | Qualcomm Quick Charge 4+ | - | - |
| Features | Fast charging Non-removable | Non-removable | Fast charging Non-removable |
| - | Battery model: BN43 | - |
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) | 1.791 W/kg | - | 0.52 W/kg |
| Body SAR (EU) | 1.931 W/kg | - | 0.56 W/kg |
| Head SAR (USA) | 1.56 W/kg | 0.665 W/kg | - |
| Body SAR (USA) | 1.54 W/kg | - | - |
| Xiaomi Mi 9T | Xiaomi Redmi Note 4 SD625 | Xiaomi Redmi 4 High Version |
