Comparison between:
- Xiaomi Redmi K20 Pro Premium
- Xiaomi Redmi K30 Ultra
- Xiaomi Redmi K40 Pro+
- Xiaomi Redmi K50 Ultra
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi K20 Pro Premium | Xiaomi Redmi K30 Ultra | Xiaomi Redmi K40 Pro+ | Xiaomi Redmi K50 Ultra | |
 |  |  |  | |
| Model alias | Redmi K20Pro Premium Redmi K20Pro Exclusive Edition | - | Redmi K40 Pro Plus Redmi K40 Pro Ultra | Redmi K50 Extreme Edition 22081212C |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 74.3 mm 7.43 cm 0.244 ft 2.925 in | 75.4 mm 7.54 cm 0.247 ft 2.969 in | 76.4 mm 7.64 cm 0.251 ft 3.008 in | 75.9 mm 7.59 cm 0.249 ft 2.988 in |
| Height | 156.7 mm 15.67 cm 0.514 ft 6.169 in | 163.3 mm 16.33 cm 0.536 ft 6.429 in | 163.7 mm 16.37 cm 0.537 ft 6.445 in | 163.1 mm 16.31 cm 0.535 ft 6.421 in |
| Thickness | 8.8 mm 0.88 cm 0.029 ft 0.346 in | 9.1 mm 0.91 cm 0.03 ft 0.358 in | 7.8 mm 0.78 cm 0.026 ft 0.307 in | 8.6 mm 0.86 cm 0.028 ft 0.339 in |
| Weight | 191 g 0.42 lbs 6.74 oz | 213 g 0.47 lbs 7.51 oz | 196 g 0.43 lbs 6.91 oz | 202 g 0.45 lbs 7.13 oz |
| Volume | 102.46 cm³ 6.22 in³ | 112.05 cm³ 6.8 in³ | 97.55 cm³ 5.92 in³ | 106.46 cm³ 6.47 in³ |
| Colors | Carbon Black Flame Red Glacier Blue Water Honey Bionic Black | Moonlight White Midnight Black Mint Green | Snow White Ink Black Dreamland | Silver Ice Blue Black Champion Edition |
| Body materials | Aluminium alloy Glass | Plastic Glass | Glass Metal | Glass 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 | Nano-SIM | Nano-SIM / microSD Micro-SIM | Nano-SIM / microSD Micro-SIM | Nano-SIM Nano-SIM / microSD |
| Number of SIM cards | 2 | 2 | 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) | 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 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) |
| CDMA | - | CDMA 800 MHz (BC0) | CDMA 800 MHz (BC0) | 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) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) 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 1700 MHz (B4) W-CDMA 1900 MHz (B2) 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 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) |
| TD-SCDMA | - | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| 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 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) | 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) | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В18) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 850 МНz (В26) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) 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) | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В18) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 850 МНz (В26) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) 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 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) 5G-TDD 4700 MHz (n79) | 5G-FDD 700 MHz (n28) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | 5G-FDD 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-TDD 2500 MHz (n41) 5G-TDD 2600 MHz (n38) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) |
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 | ЕDGЕ НSРА+ 5G ΝSА | ЕDGЕ НSРА+ ТD-SСDМА | ЕDGЕ НSРА+ ТD-SСDМА |
| - | 5G MultiLink | 2x2 MIMO 8x8 Sounding for MU-MIMO | 4x4 MIMO HPUE HO R&D |
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 11 (Аndrоid 10) | МΙUΙ 12 (Аndrоid 10) | МΙUΙ 12.2 (Аndrоid 11) | МΙUΙ 13 (Аndrоid 12) |
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 855+ (SМ8150Р-АС) | МеdiаТеk Dimеnsity 1000+ (МТ6889Ζ/СΖА) | Quаlсоmm Snарdrаgоn 888 (SМ8350) | Quаlсоmm Snарdrаgоn 8+ Gеn 1 (SМ8475) |
| Process technology | 7 nm | 7 nm | 5 nm | 4 nm |
| CPU | 1х 2.96 GНz АRМ Соrtех-А77, 3х 2.42 GНz АRМ Соrtех-А77, 4х 1.8 GНz АRМ Соrtех-А55 (Κryо 485) | 4х 2.6 GНz АRМ Соrtех-А77, 4х 2.0 GНz АRМ Соrtех-А55 | 1х 2.84 GНz АRМ Соrtех-Х1, 3х 2.42 GНz АRМ Соrtех-А78, 4х 1.8GНz АRМ Соrtех-А55 (Κryо 680) | 1х 3.19 GНz АRМ Соrtех-Х2, 3х 2.75 GНz АRМ Соrtех-А710, 4х 2.0 GНz АRМ Соrtех-А510 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8.2-A | ARMv8.2-A | ARMv9-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | 1792 KB 1.75 MB | - | 1024 KB 1 MB | - |
| Level 3 cache memory (L3) | 2048 KB 2 MB | - | 4096 KB 4 MB | 6144 KB 6 MB |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2960 MHz | 2600 MHz | 2840 MHz | 3190 MHz |
| GPU | Qualcomm Adreno 640 | ARM Mali-G77 MC9 | Qualcomm Adreno 660 | Qualcomm Adreno 730 |
| GPU cores | - | 9 | - | - |
| GPU frequency | 675 MHz | 836 MHz | 840 MHz | 900 MHz |
| RAM capacity | 8 GB 12 GB | 6 GB 8 GB | 12 GB | 8 GB 12 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR5 | LPDDR5 |
| RAM channels | Quad channel | Quad channel | Quad channel | Quad channel |
| RAM frequency | 2266 MHz | 1999 MHz | 3333 MHz | 3100 MHz |
| 8-layer graphene cooling Mi Turbo Game Turbo 2.0 | 3495 sq. mm Vapor Chamber | - | Gen 5 APU 7th Gen AI Engine 3725 mm² VC cooling system T-type heat sink design 7-layered graphene structure |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB 512 GB | 128 GB 256 GB 512 GB | 256 GB | 128 GB 256 GB 512 GB |
| UFS 2.1 | UFS 2.1 | eMMC 5.1 | UFS 2.0 |
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 | Super AMOLED | AMOLED | E4 AMOLED | AMOLED |
| Diagonal size | 6.39 in 162.31 mm 16.23 cm | 6.67 in 169.42 mm 16.94 cm | 6.67 in 169.42 mm 16.94 cm | 6.67 in 169.42 mm 16.94 cm |
| Width | 3.06 in 77.61 mm 7.76 cm | 2.89 in 73.42 mm 7.34 cm | 2.74 in 69.52 mm 6.95 cm | 2.74 in 69.52 mm 6.95 cm |
| Height | 5.61 in 142.55 mm 14.25 cm | 6.01 in 152.68 mm 15.27 cm | 6.08 in 154.5 mm 15.45 cm | 6.08 in 154.5 mm 15.45 cm |
| Aspect ratio | 1.837:1 | 2.08:1 | 2.222:1 | 2.222:1 |
| Resolution | 1176 x 2160 pixels | 1080 x 2246 pixels | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Pixel density | 385 ppi 151 ppcm | 374 ppi 147 ppcm | 395 ppi 155 ppcm | 395 ppi 155 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 95.33 % | 91.34 % | 86.16 % | 87.05 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 6 2.5D curved glass screen 60000:1 contrast ratio 430 cd/m² Peak brightness - 600 cd/m² 103.8% NTSC Always-On Display DCI-P3 HDR10 | Display manufacturer - Samsung New generation E3 light-emitting material Corning Gorilla Glass 5 2.5D curved glass screen TUV Rheinland Global Eye Care Certification HDR10+ 100% DCI-P3 800 cd/m² typical brightness Peak brightness - 1200 cd/m² | 3D curved glass screen Corning Gorilla Glass 5 120 Hz refresh rate 360 Hz touch sampling rate HDR10+ 1300 cd/m² peak brightness 5000000:1 MEMC Sunscreen 3.0 Night Light Screen Display manufacturer - Samsung | 2.5D curved glass screen Display manufacturer - Samsung Corning Gorilla Glass Victus 120 Hz refresh rate 480 Hz touch sampling rate 1920 Hz PWM frequency Dolby Vision HDR10+ DCI-P3 1200 cd/m² peak brightness 5000000:1 SGS Low Blue Light Certified MEMC Sunscreen 3.0 Night Light Screen |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint | Accelerometer Compass Gyroscope Barometer Fingerprint Hall Ultrasonic distance sensor 360° triple ambient light sensor | Light Accelerometer Compass Gyroscope Pedometer Geomagnetic Fingerprint Gravity Color temperature sensor | Proximity Light Accelerometer Compass Gyroscope Pedometer Geomagnetic Fingerprint Gravity Color temperature sensor Optical distance sensor |
| In-display optical fingerprint sensor (7th generation) Step detector Step counter | In-display fingerprint sensor | Side-mounted fingerprint sensor X-axis linear motor | In-display 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 | Sony IMX586 Exmor RS | Sony IMX682 | Samsung HM2 | Samsung S5KHM6S |
| Sensor type | CMOS BSI | CMOS BSI | CMOS BSI | CMOS BSI |
| Sensor format | 1/2" | 1/1.7" | 1/1.52" | 1/1.67" |
| Pixel size | 0.8 µm 0.000800 mm | 0.8 µm 0.000800 mm | 0.7 µm 0.000700 mm | 0.64 µm 0.000640 mm |
| ISO | 100 - 3200 | - | - | - |
| Aperture | f/1.75 | f/1.89 | f/1.75 | f/1.6 |
| Focal length and 35 mm equivalent | 26 mm *(35 mm / full frame) | - | - | - |
| Field of view | 79.4 ° | - | - | - |
| Number of lenses | 6 | 6 | 7 | 6 |
| Flash type | Dual LED | Dual LED | Dual LED | Dual LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 9248 x 6944 pixels 64.22 MP | 108 MP | 108 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 7680 x 4320 pixels 33.18 MP | 7680 x 3160 pixels 24.27 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 60 fps | 30 fps | 30 fps | 60 fps |
| Features | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Phase detection autofocus (PDAF) Laser autofocus (LAF) Contrast detection autofocus (CDAF) | 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 Macro mode Phase detection autofocus (PDAF) RAW AI Skyscaping | 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 Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Optical 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 Phase detection autofocus (PDAF) Flicker sensor |
| Pixel size - 1.6 μm (4-in-1 pixel binning) 1080p @ 960 fps 720p @ 960 fps | Pixel size - 1.6 μm (4-in-1 pixel binning) 1080p @ 960 fps | Pixel size - 2.1 μm (9-in-1 pixel binning) 1080p @ 960 fps | Pixel size - 1.92 μm (4-in-1 pixel binning) 1080p @ 960 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 model | Samsung S5K3L6 | - | - | - |
| Sensor format | 1/3.1" | - | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | - | - |
| Aperture | f/2.4 | f/2.2 | f/2.2 | - |
| Focal length equivalent (35 mm) | 15 mm *(35 mm / full frame) | - | - | - |
| Field of view | 124.8 ° | 119 ° | - | - |
| Number of lenses | 5 | - | - | - |
| Image resolution | 13 MP | 13 MP | 8 MP | - |
| Sensor type - ISOCELL | - | Amgle of view - 119° | - |
Telephoto camera
Specifications of the telephoto camera. These cameras are used to capture distant objects by using optical zoom to make them look closer without losing resolution and detail.
| Sensor model | OmniVision OV8856 | - | - | - |
| Aperture | f/2.4 | - | - | - |
| Focal length equivalent (35 mm) | 52 mm *(35 mm / full frame) | - | - | - |
| Field of view | 44.6 ° | - | - | - |
| Number of lenses | 5 | - | - | - |
| Optical zoom | 2 x | - | - | - |
| Image resolution | 8 MP | - | - | - |
| Sensor type - PureCel Sensor size - 3.6783 x 2.76768 mm | - | - | - |
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.
| Sensor model | - | Samsung S5K5E9 | - | - |
| Sensor format | - | - | 1/5" | - |
| Pixel size | - | - | 1.12 µm 0.001120 mm | - |
| Aperture | - | - | f/2.4 | f/2.4 |
| Image resolution | - | 5 MP | 5 MP | 2 MP |
| Working distance | - | 30 mm 3 cm 0.098 ft 1.181 in | 40 mm 4 cm 0.131 ft 1.575 in | - |
| Features | - | Autofocus | Autofocus | - |
| - | Focal length (35 mm equivalent) - 50 mm | Focal length equivalent - 50 mm | - |
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.
| 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.
| Sensor model | - | Samsung S5K3T2 | - | Sony IMX596 |
| Sensor type | - | - | - | CMOS BSI |
| Sensor format | - | 1/3.4" | - | - |
| Pixel size | 0.8 µm 0.000800 mm | 0.8 µm 0.000800 mm | - | - |
| Aperture | f/2.2 | f/2.24 | - | - |
| Focal length and 35 mm equivalent | 18 mm *(35 mm / full frame) | 3.14 mm | - | - |
| Field of view | - | 78 ° | - | - |
| Image resolution | 5568 x 3612 pixels 20.11 MP | 5568 x 3538 pixels 19.7 MP | 20 MP | 20 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 60 fps |
| Features | - | Face unlock HDR | Face unlock HDR | Face unlock HDR |
| Mechanical pop-up front camera Sapphire glass cover | Mechanical pop-up camera Multi-color notification light | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers |
| Smart PA | Smart PA Hi-Res Audio Audio Zoom | Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless | Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | Yes | Yes | No |
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 | 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 802.11ас 5GНz | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz 802.11аd | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz | 802.11а 802.11b 802.11g Wi-Fi Disрlаy Wi-Fi 6 (802.11ах) 802.11а 802.11аd |
| 2x2 MiMO | - | - | 2x2 MIMO 8x8 Sounding for MU-MIMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.0 | 5.2 | 5.2 |
| Features | A2DP LE | A2DP LE | A2DP LE | A2DP LE |
| - | Qualcomm TrueWireless Stereo Plus | - | - |
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 | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Host Mass storage On-The-Go | Charging Mass storage On-The-Go | 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 | Yes | No | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering DLNA NFC VoLTE | Computer sync Infrared Tethering NFC VoLTE | Computer sync Infrared Tethering NFC VoLTE | Computer 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 | 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 aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV aptX-Adaptive | AAC AMR-WB FLAC MP3 OGG WMA WAV APE AMR-NB LDAC LHDC | AAC AMR-WB FLAC MP3 OGG WMA WAV APE AMR-NB LDAC LHDC |
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 Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid | AVI MKV MP4 WMV WEBM 3GP ASF | AVI MKV MP4 WMV WEBM 3GP ASF |
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 | 4500 mAh | 4520 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | - | 10 V / 3.3 A | 5 V / 6.6 A | 10 V / 12 A |
| Quick charge technology | - | Qualcomm Quick Charge 4+, Power Delivery charging | - | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
| 27W fast charging | - | - | - |
| Xiaomi Redmi K20 Pro Premium | Xiaomi Redmi K30 Ultra | Xiaomi Redmi K40 Pro+ | Xiaomi Redmi K50 Ultra |
