Comparison between:
- Xiaomi Redmi Note 5 Pro SD636 India
- Xiaomi Mi A2
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi Note 5 Pro SD636 India | Xiaomi Mi A2 | |
 |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.4 mm 7.54 cm 0.247 ft 2.969 in | 75.4 mm 7.54 cm 0.247 ft 2.969 in |
| Height | 158.6 mm 15.86 cm 0.52 ft 6.244 in | 158.7 mm 15.87 cm 0.521 ft 6.248 in |
| Thickness | 8.05 mm 0.805 cm 0.026 ft 0.317 in | 7.3 mm 0.73 cm 0.024 ft 0.287 in |
| Weight | 181 g 0.4 lbs 6.38 oz | 168 g 0.37 lbs 5.93 oz |
| Volume | 96.27 cm³ 5.85 in³ | 87.35 cm³ 5.3 in³ |
| Colors | Black Gold Blue Rose-gold | Black Blue Gold |
| Body materials | Aluminium alloy | Aluminium alloy |
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 / microSD Nano-SIM | 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 GSМ 900 МНz GSМ 1900 МНz |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | - |
| UMTS | - | UМТS 900 МНz UМТS 1700/2100 МНz UМТS 1900 МНz UМТS 2100 МНz |
| LTE | LТЕ 850 МНz LТЕ 1800 МНz LТЕ 2100 МНz LТЕ-ТDD 2500 МНz (В41) | LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) LТЕ 800 МНz LТЕ 850 МНz LТЕ 900 МНz LТЕ 1700/2100 МНz LТЕ 1800 МНz LТЕ 1900 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 | UМТS GРRS LТЕ Саt 12 |
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 V9.2 (Аndrоid 7.1.1 Νоugаt) МΙUΙ V9.5 (Аndrоid 8.1 Оrео) МΙUΙ V10.0 (Аndrоid 8.1 Оrео) МΙUΙ (Аndrоid 9.0 Рiе) | Аndrоid 8.1 Оrео Аndrоid 9.0 Рiе |
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 636 (SDМ636) | Quаlсоmm Snарdrаgоn 660 (МSМ8976 Рlus) |
| Process technology | 14 nm | 14 nm |
| CPU | 4х 1.8 GНz АRМ Соrtех-А73, 4х 1.6 GНz АRМ Соrtех-А53 (Κryо 260) | 4х 2.2 GНz АRМ Соrtех-А73, 4х 1.84 GНz АRМ Соrtех-А53 (Κryо 260) |
| 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 | 1800 MHz | 2200 MHz |
| GPU | Qualcomm Adreno 509 | Qualcomm Adreno 512 |
| GPU frequency | 430 MHz | 647 MHz |
| RAM capacity | 4 GB 6 GB | 4 GB 6 GB |
| RAM type | LPDDR4 | LPDDR4 |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1233 MHz | 1766 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB | 32 GB 64 GB 128 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 | - |
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 | 5.99 in 152.15 mm 15.21 cm | 5.99 in 152.15 mm 15.21 cm |
| Width | 2.46 in 62.44 mm 6.24 cm | 2.56 in 65.13 mm 6.51 cm |
| Height | 5.46 in 138.75 mm 13.87 cm | 5.41 in 137.5 mm 13.75 cm |
| Aspect ratio | 2.222:1 | 2.111:1 |
| Resolution | 1080 x 2400 pixels | 720 x 1520 pixels |
| Pixel density | 439 ppi 172 ppcm | 281 ppi 110 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 72.67 % | 75.08 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 2.5D curved glass screen 1000:1 contrast ratio 450 cd/m² 84% NTSC | Corning Gorilla Glass 5 2.5D curved glass screen LTPS (Low Temperature PolySilicon) 1500:1 contrast ratio 500 cd/m² 85% 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 Compass Gyroscope Barometer Fingerprint |
| - | Fingerprint sensor model - Fingerprint Cards FPC1028 |
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 IMX486 Exmor RS | Sony IMX486 Exmor RS |
| Sensor type | CMOS | CMOS |
| Sensor format | 1/2.9" | 1/2.9" |
| Pixel size | 1.25 µm 0.001250 mm | 1.25 µm 0.001250 mm |
| Aperture | f/2.2 | f/1.75 |
| Focal length and 35 mm equivalent | 3.81 mm | 4.07 mm |
| Flash type | Dual LED | Dual LED |
| Image resolution | 4000 x 3000 pixels 12 MP | 4000 x 3000 pixels 12 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 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) |
| Secondary rear camera - 5 MP Pixel size - 1.12 μm (#2) Aperture size - f/2.0 (#2) | 720p @ 120 fps Secondary rear camera - 20 MP Sensor model - Sony IMX376 Exmor RS (#2) Sensor type - CMOS BSI (#2) Sensor size - 1/2.78" (#2) Pixel size - 2.0 μm (4-in-1 pixel binning) (#2) Aperture size - f/1.75 (#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 | Sony IMX376 Exmor RS | Sony IMX376 Exmor RS |
| Sensor type | CMOS BSI | CMOS BSI |
| Sensor format | 1/2.78" | 1/2.78" |
| Pixel size | 1 µm 0.001000 mm | 1 µm 0.001000 mm |
| Aperture | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | - | 3.82 mm |
| Auxiliary light | LED | LED |
| Image resolution | 5640 x 3582 pixels 20.2 MP | 5440 x 3697 pixels 20.11 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 | - |
| - | Pixel size - 2.0 μm (4-in-1 pixel binning) HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | Headphone adapter |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No |
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 Wi-Fi Disрlаy 802.11а |
| - | 2x2 MiMO |
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 EDR HID LE | A2DP HID |
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 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 | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared VoLTE | Computer sync OTA sync Infrared Tethering 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 aptX eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC 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 QuickTime MP4 WebM WMV Xvid | 3GPP AVI H.263 H.264 H.265 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 | 3010 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 2 A | 5 V / 2 A |
| Quick charge technology | Qualcomm Quick Charge 2.0 | Qualcomm Quick Charge 3.0 |
| 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) | - | 1.213 W/kg |
| Body SAR (EU) | - | 0.789 W/kg |
| Head SAR (USA) | 0.758 W/kg | 1.275 W/kg |
| Body SAR (USA) | - | 0.85 W/kg |
| Head SAR (India) | - | 1.092 W/kg |
| Body SAR (India) | - | 0.259 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | M1804D2SI - SAR (Specific Absorption Rate) India: head - 1.092 W/kg; body - 0.259 W/kg |
| Xiaomi Redmi Note 5 Pro SD636 India | Xiaomi Mi A2 |