Comparison between:
- Xiaomi Redmi Note 7
- Xiaomi Redmi A2
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi Note 7 | Xiaomi Redmi A2 | |
 |  | |
| Model alias | Redmi Note7 Red Rice Note 7 Red Rice Note7 M1901F7G M1901F7H | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.21 mm 7.521 cm 0.247 ft 2.961 in | 76.75 mm 7.675 cm 0.252 ft 3.022 in |
| Height | 159.21 mm 15.921 cm 0.522 ft 6.268 in | 164.9 mm 16.49 cm 0.541 ft 6.492 in |
| Thickness | 8.1 mm 0.81 cm 0.027 ft 0.319 in | 9.09 mm 0.909 cm 0.03 ft 0.358 in |
| Weight | 186 g 0.41 lbs 6.56 oz | 192 g 0.42 lbs 6.77 oz |
| Volume | 96.99 cm³ 5.89 in³ | 115.04 cm³ 6.99 in³ |
| Colors | Blue Red Black | Light Green Light Blue Black |
| Body materials | Glass 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 / microSD | Nano-SIM |
| Number of SIM cards | 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) |
| CDMA | CDMA 800 MHz | - |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| TD-SCDMA | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | - |
| LTE | LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ-ТDD 2600 МНz (В38) LТЕ 850 МНz LТЕ 900 МНz LТЕ 1800 МНz LТЕ 2600 МНz | 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 18 | UМТS GРRS LТЕ |
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 V10.2 (Аndrоid 9.0 Рiе) МΙUΙ V13.0.3 (Аndrоid 10) | Аndrоid 12 Gо еditiоn |
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 660 (МSМ8976 Рlus) | МеdiаТеk Неliо G36 |
| Process technology | 14 nm | 12 nm |
| CPU | 4х 2.2 GНz АRМ Соrtех-А73, 4х 1.84 GНz АRМ Соrtех-А53 (Κryо 260) | 4х 2.2 GНz АRМ Соrtех-А53, 4х 1.8 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 |
| CPU frequency | 2200 MHz | 2200 MHz |
| GPU | Qualcomm Adreno 512 | IMG PowerVR GE8320 |
| GPU frequency | 647 MHz | 680 MHz |
| RAM capacity | 3 GB 4 GB 6 GB | 2 GB 3 GB |
| RAM type | LPDDR4 | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1766 MHz | 1500 MHz |
| - | Virtual RAM expansion - 2 GB |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB 64 GB 128 GB | 32 GB |
| eMMC 5.1 | eMMC 5.1 |
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 | IPS | IPS |
| Diagonal size | 6.3 in 160.02 mm 16 cm | 6.52 in 165.61 mm 16.56 cm |
| Width | 2.59 in 65.67 mm 6.57 cm | 3.2 in 81.19 mm 8.12 cm |
| Height | 5.75 in 145.93 mm 14.59 cm | 5.68 in 144.34 mm 14.43 cm |
| Aspect ratio | 2.222:1 | 1.778:1 16:9 |
| Resolution | 1080 x 2400 pixels | 1080 x 1920 pixels |
| Pixel density | 418 ppi 164 ppcm | 338 ppi 132 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 80.28 % | 92.9 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Scratch resistant |
| Display manufacturer - Tianma Corning Gorilla Glass 5 2.5D curved glass screen LTPS (Low Temperature PolySilicon) 1500:1 contrast ratio 450 cd/m² 84% NTSC | 2.5D curved glass screen 70% NTSC 400 cd/m² 1500:1 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope | Accelerometer Virtual Proximity Virtual Light |
| Fingerprint sensor model - Fingerprint Cards FPC1511 | - |
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 |
| Sensor format | 1/2" | - |
| Pixel size | 0.8 µm 0.000800 mm | - |
| ISO | 100 - 3200 | - |
| Aperture | f/1.79 | f/2 |
| Focal length and 35 mm equivalent | 4.74 mm | - |
| Number of lenses | 6 | - |
| Flash type | Dual LED | LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | 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 Phase detection autofocus (PDAF) RAW | 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) |
| Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Phase detection with Dual Pixel 1080p @ 120 fps 720p @ 120 fps 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) Aperture size - f/2.0 (#2) | - |
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 OV13855 | - |
| Sensor type | PureCel | CMOS BSI |
| Sensor size | 4.75 x 3.54 mm 0.23 in | - |
| Pixel size | 1.06 µm 0.001060 mm | - |
| Crop factor | 7.31 | - |
| Aperture | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | 3.86 mm 28.21 mm *(35 mm / full frame) | - |
| Image resolution | 4480 x 2957 pixels 13.25 MP | 2560 x 1944 pixels 4.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Face unlock | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA | - |
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 | GРS А-GРS |
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 | 802.11а 802.11b 802.11g 802.11а |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.0 |
| Features | A2DP 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 | Micro USB | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Host 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 |
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 VoLTE VoWiFi |
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 |
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 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 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 | 4000 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Ion |
| 2G talk time | 23 h 1380 min 1 days | - |
| 2G stand-by time | 251 h 15060 min 10.5 days | - |
| 3G talk time | 23 h 1380 min 1 days | - |
| 3G stand-by time | 251 h 15060 min 10.5 days | - |
| 4G talk time | - | 28 h 1680 min 1.2 days |
| 4G stand-by time | - | 626 h 37560 min 26.1 days |
| Charger output power | 5 V / 2 A | 5 V / 2 A |
| Quick charge technology | Qualcomm Quick Charge 4.0 | - |
| Features | Fast charging Non-removable | Fast charging Non-removable |
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) | 0.261 W/kg | 1.237 W/kg |
| Body SAR (EU) | 0.884 W/kg | 1.307 W/kg |
| Head SAR (USA) | 0.76 W/kg | - |
| Body SAR (USA) | 0.81 W/kg | - |
| Xiaomi Redmi Note 7 | Xiaomi Redmi A2 |
