Comparison between:
- Xiaomi Redmi Note 9S
- Xiaomi HongMi
- Xiaomi Redmi 4 High Version
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 | 76.68 mm 7.668 cm 0.252 ft 3.019 in | 69 mm 6.9 cm 0.226 ft 2.717 in | 69.6 mm 6.96 cm 0.228 ft 2.74 in |
| Height | 165.75 mm 16.575 cm 0.544 ft 6.526 in | 137 mm 13.7 cm 0.449 ft 5.394 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 | 9.9 mm 0.99 cm 0.032 ft 0.39 in | 8.9 mm 0.89 cm 0.029 ft 0.35 in |
| Weight | 209 g 0.46 lbs 7.37 oz | 158 g 0.35 lbs 5.57 oz | 156 g 0.34 lbs 5.5 oz |
| Volume | 111.85 cm³ 6.79 in³ | 93.58 cm³ 5.68 in³ | 87.53 cm³ 5.32 in³ |
| Colors | Glacier White Interstellar Black Aurora Blue | Black Red Blue Green Yellow | Gray Gold Silver |
| Body materials | Glass Plastic | Plastic | 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 | - | 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 900 МНz GSМ 1900 МНz | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz |
| CDMA | CDMA 800 MHz (BC0) | - | CDMA 800 MHz CDMA 1900 MHz |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - | - |
| TD-SCDMA | - | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| UMTS | - | UМТS 1900 МНz UМТS 2100 МНz | UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz |
| 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-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 12 | UМТS НSРА | 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 V11 (Аndrоid 10) | МΙUΙ V5 (Аndrоid 4.2.2 Jеlly Веаn) | 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 720G (SМ7125) | МеdiаТеk МТ6589Т | Quаlсоmm Snарdrаgоn 625 (МSМ8953) |
| Process technology | 8 nm | 28 nm | 14 nm |
| CPU | 2х 2.3 GНz АRМ Соrtех-А76, 6х 1.8 GНz АRМ Соrtех-А55 (Κryо 465) | 4х 1.5 GНz АRМ Соrtех-А7 | 8х 2.0 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8 | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | - | 1024 KB 1 MB | - |
| CPU cores | 8 | 4 | 8 |
| CPU frequency | 2300 MHz | 1500 MHz | 2000 MHz |
| GPU | Qualcomm Adreno 618 | IMG PowerVR SGX544 MP | Qualcomm Adreno 506 |
| GPU cores | - | 1 | - |
| GPU frequency | 750 MHz | 357 MHz | 650 MHz |
| RAM capacity | 4 GB 6 GB | 1 GB | 3 GB |
| RAM type | LPDDR4X | LPDDR2 | LPDDR4 |
| RAM channels | Double channel | Single channel | Single channel |
| RAM frequency | 1999 MHz | 666 MHz | 1066 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 4 GB | 32 GB |
| UFS 2.1 | UFS 2.1 | UFS 2.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC | 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 |
| Diagonal size | 6.67 in 169.42 mm 16.94 cm | 4.7 in 119.38 mm 11.94 cm | 5 in 127 mm 12.7 cm |
| Width | 2.89 in 73.42 mm 7.34 cm | 1.93 in 48.99 mm 4.9 cm | 2.05 in 52.12 mm 5.21 cm |
| Height | 6.01 in 152.68 mm 15.27 cm | 4.29 in 108.87 mm 10.89 cm | 4.56 in 115.81 mm 11.58 cm |
| Aspect ratio | 2.08:1 | 2.222:1 | 2.222:1 |
| Resolution | 1080 x 2246 pixels | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Pixel density | 374 ppi 147 ppcm | 560 ppi 220 ppcm | 526 ppi 206 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 88.48 % | 56.6 % | 61.57 % |
| Other features | Capacitive Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen Corning Gorilla Glass 5 Oleophobic coating TÜV Rheinland Low Blue Light Certification 1500:1 contrast ratio 450 cd/m² typical brightness 84% NTSC | Corning Gorilla Glass 2 | 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 | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| Side-mounted fingerprint sensor | - | 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 type | CMOS | CMOS BSI | CMOS |
| Sensor format | 1/2.25" | - | - |
| Pixel size | 0.8 µm 0.000800 mm | - | - |
| Aperture | f/1.79 | - | f/2.2 |
| Focal length and 35 mm equivalent | - | 28 mm *(35 mm / full frame) | 3.66 mm |
| Field of view | 79 ° | - | - |
| Number of lenses | 6 | 5 | 5 |
| Flash type | LED | LED | Dual LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 3264 x 2448 pixels 7.99 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 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 Geotagging Panorama HDR Touch focus Face detection Macro mode | 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) 10x digital zoom | - | 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 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 | 118 ° | - | - |
| 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.
| Pixel size | 1.12 µm 0.001120 mm | - | - |
| Image resolution | 5 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 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.
| Pixel size | 1 µm 0.001000 mm | - | - |
| Aperture | f/2.48 | - | f/2.2 |
| Focal length and 35 mm equivalent | - | - | 2.15 mm |
| Image resolution | 4992 x 3190 pixels 15.92 MP | - | 2592 x 1944 pixels 5.04 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 | 30 fps |
| Features | Face unlock HDR Face detection | - | - |
| - | 1.3 MP | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA Dual microphones with active noise cancellation 1216 linear speaker Z-axis linear motor | - | - |
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 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 | 802.11а 802.11b 802.11g 802.11а 802.11ас 5GНz | 802.11а 802.11b 802.11g 802.11а 802.11ас 5GНz 802.11аd |
| 2x2 MU-MIMO | - | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 4.1 | 4.2 |
| Features | A2DP EDR HID LE | A2DP 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 | USB Type-C | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Host Mass storage | 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 Infrared Tethering VoLTE ViLTE VoWiFi | Computer sync OTA sync Tethering | 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 | 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 | AC3 eAAC+ FLAC MP3 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 | H.263 H.264 MP4 MPEG-4 | 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 | 5020 mAh | 2000 mAh | 4100 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | 9 V / 2 A | - | 5 V / 2 A |
| Features | Fast charging Non-removable | Removable | Fast charging Non-removable |
| 22.5W in-box charger | - | - |
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) | 0.97 W/kg | - | 0.52 W/kg |
| Body SAR (EU) | 1.13 W/kg | - | 0.56 W/kg |
| Head SAR (USA) | 1.075 W/kg | - | - |
| Body SAR (USA) | 0.59 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 | - | - |
| Xiaomi Redmi Note 9S | Xiaomi HongMi | Xiaomi Redmi 4 High Version |







