Comparison between:
- Xiaomi Redmi 4A
- Xiaomi Redmi Note 11
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi 4A | Xiaomi Redmi Note 11 | |
 |  | |
| Model alias | Hongmi 4A Red Rise 4A | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 70.4 mm 7.04 cm 0.231 ft 2.772 in | 75.78 mm 7.578 cm 0.249 ft 2.983 in |
| Height | 139.5 mm 13.95 cm 0.458 ft 5.492 in | 163.56 mm 16.356 cm 0.537 ft 6.439 in |
| Thickness | 8.5 mm 0.85 cm 0.028 ft 0.335 in | 8.75 mm 0.875 cm 0.029 ft 0.344 in |
| Weight | 131 g 0.29 lbs 4.64 oz | 195 g 0.43 lbs 6.88 oz |
| Volume | 83.48 cm³ 5.07 in³ | 108.45 cm³ 6.59 in³ |
| Colors | Gold Rose-gold | Mysterious Black Milky Way Blue Mint Green |
| Body materials | Plastic | Plastic |
| Certification | - | IP53 |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Micro-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 | 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) |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - |
| UMTS | UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz | - |
| LTE | 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 | 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 1900 МНz (В39) LТЕ-ТDD 2000 МНz (В34) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) |
| 5G NR | - | 5G-FDD 700 MHz (n28) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) |
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 4 | 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 V8 (Аndrоid 6.0.1 Маrshmаllоw) МΙUΙ V9.7.11 (Аndrоid 7.1.2 Νоugаt) МΙUΙ V10 МΙUΙ V11 | МΙUΙ 12.5 (Аndrоid 11) |
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 425 (МSМ8917) | Quаlсоmm Snарdrаgоn 680 (SМ6225) |
| Process technology | 28 nm | 6 nm |
| CPU | 4х 1.4 GНz АRМ Соrtех-А53 | 4х 2.4 GНz АRМ Соrtех-А73, 4х 1.9 GНz АRМ Соrtех-А53 (Κryо 265) |
| CPU bits | 32 bit | 64 bit |
| Instruction set | ARMv7 | ARMv8.2-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | - | 2048 KB 2 MB |
| CPU cores | 4 | 8 |
| CPU frequency | 1400 MHz | 2400 MHz |
| GPU | Qualcomm Adreno 308 | Qualcomm Adreno 610 |
| GPU frequency | 598 MHz | 1114 MHz |
| RAM capacity | 2 GB 3 GB | 4 GB 6 GB 8 GB |
| RAM type | LPDDR3 | LPDDR4X |
| RAM channels | Single channel | Double channel |
| RAM frequency | 567 MHz | 2266 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB 32 GB | 128 GB 256 GB |
| - | 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 | 5 in 127 mm 12.7 cm | 6.6 in 167.64 mm 16.76 cm |
| Width | 2.14 in 54.37 mm 5.44 cm | 2.83 in 71.76 mm 7.18 cm |
| Height | 4.52 in 114.77 mm 11.48 cm | 5.96 in 151.5 mm 15.15 cm |
| Aspect ratio | 2.111:1 | 2.111:1 |
| Resolution | 720 x 1520 pixels | 720 x 1520 pixels |
| Pixel density | 336 ppi 132 ppcm | 255 ppi 100 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 63.74 % | 88 % |
| Other features | Capacitive Multi-touch | Capacitive Scratch resistant |
| 1000:1 contrast ratio 72% NTSC | 2.5D curved glass screen In-cell AdaptiveSync Display 90 Hz refresh rate Reading Mode 3.0 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Accelerometer Compass Gyroscope Fingerprint |
| - | Side-mounted fingerprint sensor X-axis linear 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 | OmniVision OV13850 | Samsung S5KJN1 |
| Sensor type | PureCel | ISOCELL |
| Sensor format | - | 1/2.76" |
| Pixel size | - | 0.64 µm 0.000640 mm |
| ISO | - | 50 - 6400 |
| Aperture | f/2.2 | f/1.8 |
| Focal length and 35 mm equivalent | 4.92 mm | 4.22 mm |
| Field of view | - | 26 ° |
| Number of lenses | 5 | - |
| Flash type | Dual LED | Dual LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 50 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 60 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 | 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) Night Mode AI Camera 2.0 |
| - | 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 | - | Sony IMX355 |
| Sensor format | - | 1/4" |
| Aperture | - | f/2.2 |
| Focal length equivalent (35 mm) | - | 1.65 mm *(35 mm / full frame) |
| Field of view | - | 119 ° |
| 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 model | OmniVision OV5675 | OmniVision OV16A1Q |
| Sensor type | PureCel | PureCel |
| Sensor format | - | 1/3.06" |
| Pixel size | - | 1 µm 0.001000 mm |
| Aperture | f/2.2 | f/2.45 |
| Focal length and 35 mm equivalent | 2 mm | 3.26 mm |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 4992 x 3190 pixels 15.92 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 HDR Face detection |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers |
| - | Hi-Res Audio Dual microphones with active noise cancellation |
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 GLОΝАSS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 802.11g 802.11а | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11ас 5GНz |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 5.1 |
| Features | A2DP HID | 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 | USB Type-C |
| 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 ViLTE 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 AC3 AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB aptX aptX HD 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 H.263 H.264 MKV MP4 VC-1 VP8 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 | 3120 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Ion |
| Charger output power | 5 V / 1 A | 10 V / 3.3 A |
| Features | 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) | - | 0.934 W/kg |
| Body SAR (EU) | - | 1.309 W/kg |
| Head SAR (India) | 0.525 W/kg | - |
| Body SAR (India) | 1.181 W/kg | - |
| Xiaomi Redmi 4A | Xiaomi Redmi Note 11 |
