Comparison between:
- Xiaomi Redmi A2
- Xiaomi Redmi Note 15 Pro 4G
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi A2 | Xiaomi Redmi Note 15 Pro 4G | |
 |  | |
| Model alias | - | 25100RA69G |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.75 mm 7.675 cm 0.252 ft 3.022 in | 76.29 mm 7.629 cm 0.25 ft 3.004 in |
| Height | 164.9 mm 16.49 cm 0.541 ft 6.492 in | 163.22 mm 16.322 cm 0.535 ft 6.426 in |
| Thickness | 9.09 mm 0.909 cm 0.03 ft 0.358 in | 7.96 mm 0.796 cm 0.026 ft 0.313 in |
| Weight | 192 g 0.42 lbs 6.77 oz | 195 g 0.43 lbs 6.88 oz |
| Volume | 115.04 cm³ 6.99 in³ | 99.12 cm³ 6.02 in³ |
| Colors | Light Green Light Blue Black | Titanium Glacier Blue Black |
| Body materials | Plastic | Plastic Glass Aluminium alloy |
| Certification | - | IP65 |
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 / microSD |
| Number of SIM cards | 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) |
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 1800 МНz (В3) |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) 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-ТDD 2500 МНz (В41) | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В66) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В25) LТЕ-FDD 2100 МНz (В1) LТЕ-ТDD 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) |
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 |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Аndrоid 12 Gо еditiоn | Хiаоmi НyреrОS 2.0 (Аndrоid 15) |
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 G36 | МеdiаТеk Неliо G200 |
| Process technology | 12 nm | 6 nm |
| CPU | 4х 2.2 GНz АRМ Соrtех-А53, 4х 1.8 GНz АRМ Соrtех-А53 | 2х 2.2 GНz АRМ Соrtех-А76, 6х 2.0 GНz АRМ Соrtех-А55 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-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 | IMG PowerVR GE8320 | ARM Mali-G57 MC2 |
| GPU cores | - | 2 |
| GPU frequency | 680 MHz | - |
| RAM capacity | 2 GB 3 GB | 8 GB 12 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1500 MHz | 2033 MHz |
| Virtual RAM expansion - 2 GB | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 256 GB 512 GB |
| eMMC 5.1 | UFS 2.2 |
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 | OLED |
| Diagonal size | 6.52 in 165.61 mm 16.56 cm | 6.77 in 171.96 mm 17.2 cm |
| Width | 3.2 in 81.19 mm 8.12 cm | 3.32 in 84.3 mm 8.43 cm |
| Height | 5.68 in 144.34 mm 14.43 cm | 5.9 in 149.87 mm 14.99 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1080 x 1920 pixels | 1080 x 1920 pixels |
| Pixel density | 338 ppi 132 ppcm | 325 ppi 127 ppcm |
| Color depth | 24 bit 16777216 colors | 36 bit 68719476736 colors |
| Display area | 92.9 % | 101.8 % |
| Other features | Capacitive Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen 70% NTSC 400 cd/m² 1500:1 | 2.5D curved glass screen Corning Gorilla Glass Victus 2 120 Hz refresh rate 240 Hz touch sampling rate 3200 cd/m² peak brightness 2560 Hz PWM dimming |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Accelerometer Virtual Proximity Virtual Light | Proximity Light Accelerometer Compass Gyroscope Magnetometer |
| - | In-display fingerprint sensor |
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 | - |
| Aperture | f/2 | - |
| Flash type | LED | Dual LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 200 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP |
| Video 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 Continuous shooting Digital 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 Macro mode |
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) | - | 16 mm *(35 mm / full frame) |
| Image resolution | - | 8 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 type | CMOS BSI | CMOS BSI |
| Aperture | f/2.2 | - |
| Image resolution | 2560 x 1944 pixels 4.98 MP | 6816 x 4743 pixels 32.33 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 60 fps |
| Features | Face unlock | Face unlock Face detection |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers |
| - | 82 5 dB |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | 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 802.11а | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.3 |
| Features | A2DP EDR HID 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 | Micro USB |
| Version | 2.0 | 2.0 |
| Features | 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 | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering VoLTE VoWiFi | Computer sync OTA sync Infrared Tethering 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 |
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 eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR aptX 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 MKV QuickTime MP4 WebM WMV 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 | 5000 mAh | 600 mAh |
| Type | Li-Ion | Li-Polymer |
| 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 | 9 V / 5 A |
| Features | Fast charging Non-removable | Fast charging Non-removable |
| - | 18W reverse charging |
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) | 1.237 W/kg | - |
| Body SAR (EU) | 1.307 W/kg | - |
| Xiaomi Redmi A2 | Xiaomi Redmi Note 15 Pro 4G |
