Comparison between:
- Xiaomi Redmi Note 9
- Xiaomi Redmi 9 India
- Xiaomi Redmi 9 Power
- Xiaomi Redmi 9 Activ
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi Note 9 | Xiaomi Redmi 9 India | Xiaomi Redmi 9 Power | Xiaomi Redmi 9 Activ | |
 |  |  |  | |
| Model alias | Redmi Note9 M2003J15SC M2003J15SS M2003J15SI | Redmi 9 IN | M2010J19SI M2010J19SL | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77.2 mm 7.72 cm 0.253 ft 3.039 in | 77.07 mm 7.707 cm 0.253 ft 3.034 in | 77.3 mm 7.73 cm 0.254 ft 3.043 in | 77.07 mm 7.707 cm 0.253 ft 3.034 in |
| Height | 162.3 mm 16.23 cm 0.532 ft 6.39 in | 164.9 mm 16.49 cm 0.541 ft 6.492 in | 162.3 mm 16.23 cm 0.532 ft 6.39 in | 164.9 mm 16.49 cm 0.541 ft 6.492 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 9 mm 0.9 cm 0.03 ft 0.354 in | 9.6 mm 0.96 cm 0.031 ft 0.378 in | 9 mm 0.9 cm 0.03 ft 0.354 in |
| Weight | 199 g 0.44 lbs 7.02 oz | 196 g 0.43 lbs 6.91 oz | 198 g 0.44 lbs 6.98 oz | 194 g 0.43 lbs 6.84 oz |
| Volume | 111.51 cm³ 6.77 in³ | 114.38 cm³ 6.95 in³ | 120.44 cm³ 7.31 in³ | 114.38 cm³ 6.95 in³ |
| Colors | Blue Black White Pink Red Green | Carbon Black Sky Blue Sporty Orange | Mighty Black Blazing Blue Electric Green Fiery Red | Carbon Black Coral Green Metallic Purple |
| Body materials | Glass Plastic | Plastic | Plastic | Plastic |
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 (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) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) |
| CDMA | CDMA 800 MHz (BC0) | CDMA 800 MHz (BC0) | CDMA 800 MHz (BC0) | - |
| W-CDMA | 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 1700 MHz (B4) 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) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| LTE | 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 2500 МНz (В41) | 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 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) 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-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) |
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 12 | UМТS GРRS LТЕ Саt 12 | UМТS GРRS LТЕ Саt 12 | 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) | МΙUΙ V11 (Аndrоid 10) МΙUΙ V12 (Аndrоid 11) | МΙUΙ V12 (Аndrоid 10) | МΙUΙ V12 (Аndrоid 10) | МΙUΙ 12 (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 Неliо G85 (МТ6769Ζ) | МеdiаТеk Неliо G35 (МТ6765G) | Quаlсоmm Snарdrаgоn 662 (SМ6115) | МеdiаТеk Неliо G35 (МТ6765G) |
| Process technology | 12 nm | 12 nm | 11 nm | 12 nm |
| CPU | 2х 2.0 GНz АRМ Соrtех-А75, 6х 1.8 GНz АRМ Соrtех-А55 | 4х 2.3 GНz АRМ Соrtех-А53, 4х 1.8 GНz АRМ Соrtех-А53 | 4х 2.0 GНz АRМ Соrtех-А73, 4х 1.8 GНz АRМ Соrtех-А53 (Κryо 260) | 4х 2.3 GНz АRМ Соrtех-А53, 4х 1.8 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | 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 |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2000 MHz | 2300 MHz | 2000 MHz | 2300 MHz |
| GPU | ARM Mali-G52 2EEMC2 | IMG PowerVR GE8320 | Qualcomm Adreno 610 | IMG PowerVR GE8320 |
| GPU cores | 2 | - | - | - |
| GPU frequency | 1000 MHz | 680 MHz | 950 MHz | 680 MHz |
| RAM capacity | 3 GB 4 GB | 4 GB | 4 GB | 4 GB 6 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel | Double channel | Double channel |
| RAM frequency | 1933 MHz | 1500 MHz | 1999 MHz | 1733 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 64 GB 128 GB | 64 GB 128 GB | 64 GB 128 GB |
| UFS 2.0 | UFS 2.0 | UFS 2.1 | UFS 2.0 |
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 | miniSD 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 | 6.53 in 165.86 mm 16.59 cm | 6.53 in 165.86 mm 16.59 cm | 6.53 in 165.86 mm 16.59 cm | 6.53 in 165.86 mm 16.59 cm |
| Width | 2.74 in 69.51 mm 6.95 cm | 3.2 in 81.32 mm 8.13 cm | 2.74 in 69.51 mm 6.95 cm | 2.74 in 69.51 mm 6.95 cm |
| Height | 5.93 in 150.6 mm 15.06 cm | 5.69 in 144.56 mm 14.46 cm | 5.93 in 150.6 mm 15.06 cm | 5.93 in 150.6 mm 15.06 cm |
| Aspect ratio | 2.167:1 | 1.778:1 16:9 | 2.167:1 | 2.167:1 |
| Resolution | 1080 x 2340 pixels | 1080 x 1920 pixels | 1080 x 2340 pixels | 1080 x 2340 pixels |
| Pixel density | 395 ppi 155 ppcm | 337 ppi 132 ppcm | 395 ppi 155 ppcm | 395 ppi 155 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 83.81 % | 92.79 % | 83.7 % | 82.63 % |
| Other features | Capacitive Scratch resistant | Capacitive Scratch resistant | Capacitive Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen Corning Gorilla Glass 5 DotDisplay Oleophobic coating TÜV Rheinland Low Blue Light Certification 84% NTSC 1500:1 | 2.5D curved glass screen 400 cd/m² 70% NTSC 1500:1 TÜV Rheinland Certified Reading Mode | 2.5D curved glass screen Corning Gorilla Glass 3 400 cd/m² 70% NTSC 1500:1 TÜV Rheinland Certified Reading Mode | 2.5D curved glass screen 400 cd/m² 1500:1 70% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer |
| - | - | Side-mounted fingerprint sensor | Vibration motor |
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 | Samsung S5KGM1 | - | - | - |
| Sensor type | CMOS | CMOS | CMOS | CMOS |
| Sensor format | 1/2.25" | - | 1/2" | - |
| Pixel size | 0.8 µm 0.000800 mm | - | 0.8 µm 0.000800 mm | 1 µm 0.001000 mm |
| Aperture | f/1.79 | f/2.2 | f/2.2 | f/2.2 |
| Field of view | - | 75.2 ° | 75.2 ° | - |
| Number of lenses | 6 | - | - | - |
| Flash type | LED | LED | LED | LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 4160 x 3120 pixels 12.98 MP | 8000 x 6000 pixels 48 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 | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | 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 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 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 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) |
| Sony IMX582 versions also available Pixel size - 1.6 μm (4-in-1 pixel binning) | - | - | - |
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 | OmniVision OV8856 | - | - | - |
| Sensor format | 1/4" | - | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | - | - |
| Aperture | f/2.2 | - | f/2.2 | - |
| Focal length equivalent (35 mm) | 13 mm *(35 mm / full frame) | - | - | - |
| Field of view | 118 ° | - | 120 ° | - |
| Image resolution | 8 MP | - | 8 MP | - |
| GalaxyCore GC8034 version also available(#2) | - | - | - |
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.
| Pixel size | 1.12 µm 0.001120 mm | - | - | - |
| Aperture | - | - | f/2.4 | - |
| Image resolution | 2 MP | - | 2 MP | - |
| Working distance | 20 mm 2 cm 0.066 ft 0.787 in | - | - | - |
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 model | GalaxyCore GC02M1 | GalaxyCore GC02M1 | - | - |
| Sensor format | 1/5" | 1/5" | 1/5" | - |
| Pixel size | 1.75 µm 0.001750 mm | 1.75 µm 0.001750 mm | 1.75 µm 0.001750 mm | - |
| Aperture | f/2.4 | f/2.4 | f/2.4 | f/2.4 |
| Image resolution | 2 MP | 2 MP | 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 OV13B10 | - | - | - |
| Pixel size | - | 1.12 µm 0.001120 mm | - | 1.12 µm 0.001120 mm |
| Aperture | f/2 | f/2.2 | f/2 | f/2.2 |
| Field of view | - | - | 77.8 ° | - |
| Image resolution | 4544 x 2856 pixels 12.98 MP | 3520 x 2270 pixels 7.99 MP | 3648 x 2190 pixels 7.99 MP | 2560 x 1944 pixels 4.98 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 |
| Features | Face unlock HDR Face detection | Face unlock HDR Face detection | Face unlock HDR Face detection | Face unlock HDR Face detection |
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 Dual microphones with active noise cancellation 1216 linear speaker Vibration motor | 1712 linear speaker Vibration motor | Smart PA Dual microphones with active noise cancellation 1216 linear speaker Vibration motor | 1712 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 | 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 | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11ас 5GНz 802.11аd | 802.11b 802.11g 802.11а 802.11аd | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11ас 5GНz 802.11аd | 802.11b 802.11g 802.11а 802.11ас 5GНz 802.11аd |
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 EDR HID LE | A2DP EDR HID LE | A2DP EDR HID 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 | Micro USB | USB Type-C | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging 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 | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering NFC VoLTE ViLTE VoWiFi | Computer sync OTA sync Infrared Tethering NFC VoLTE ViLTE VoWiFi | Computer sync OTA sync Infrared Tethering VoLTE ViLTE VoWiFi | Computer sync OTA sync Tethering VoLTE |
| - | NFC market dependent | - | - |
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 AMR FLAC M4A MP3 OGG WMA WAV APE DSF AWB | 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 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 3GPP2 AVI MKV MP4 WebM WMV ASF | 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 | 5020 mAh | 5000 mAh | 6000 mAh | 5000 mAh |
| Type | Li-Ion | Li-Polymer | Li-Ion | Li-Polymer |
| 4G talk time | - | 33 h 1980 min 1.4 days | - | - |
| Charger output power | 5 V / 3 A 9 V / 2.23 A 12 V / 1.67 A 10 V / 2.25 A | 5 V / 2 A | 5 V / 2 A 9 V / 2 A | 5 V / 2 A |
| Quick charge technology | - | - | Qualcomm Quick Charge 3.0 | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
| 9W wired reverse charging | - | 22.5W charger in box | - |
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) | 1.245 W/kg | - | - | - |
| Body SAR (EU) | 1.558 W/kg | - | - | - |
| Head SAR (USA) | 1.21 W/kg | - | - | - |
| Body SAR (USA) | 1.26 W/kg | - | - | - |
| Head SAR (India) | 0.853 W/kg | - | 0.87 W/kg | 0.51 W/kg |
| Body SAR (India) | 0.433 W/kg | - | 0.86 W/kg | 0.83 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | P2i splash-proof nano-coating | P2i splash-proof nano-coating | - | - |
| Xiaomi Redmi Note 9 | Xiaomi Redmi 9 India | Xiaomi Redmi 9 Power | Xiaomi Redmi 9 Activ |