Comparison between:
- Xiaomi Redmi K20
- Vsmart Aris
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi K20 | Vsmart Aris | |
 |  | |
| Model alias | MZB7757IN | - |
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 | 75.04 mm 7.504 cm 0.246 ft 2.954 in |
| Height | 156.7 mm 15.67 cm 0.514 ft 6.169 in | 156.2 mm 15.62 cm 0.512 ft 6.15 in |
| Thickness | 8.8 mm 0.88 cm 0.029 ft 0.346 in | 8.55 mm 0.855 cm 0.028 ft 0.337 in |
| Weight | 191 g 0.42 lbs 6.74 oz | 178 g 0.39 lbs 6.28 oz |
| Volume | 102.46 cm³ 6.22 in³ | 100.22 cm³ 6.09 in³ |
| Colors | Black Blue Red | Blue Tide Aurora Green Eclipse Grey |
| Body materials | Aluminium alloy Glass | Metal Glass |
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 | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| UMTS | - | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) |
| LTE | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
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 | UMTS EDGE GPRS HSPA+ LTE Cat 15 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | MIUI V10.2 (Android 9.0 Pie) | VOS 3.0 (Android 10) |
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 | Qualcomm Snapdragon 730 (SM7150-AA) | Qualcomm Snapdragon 730 (SM7150-AA) |
| Process technology | 8 nm | 8 nm |
| CPU | 2x 2.2 GHz ARM Cortex-A76, 6x 1.8 GHz ARM Cortex-A55 (Kryo 470) | 2x 2.2 GHz ARM Cortex-A76, 6x 1.8 GHz ARM Cortex-A55 (Kryo 470) |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| CPU cores | 8 | 8 |
| CPU frequency | 2200 MHz | 2200 MHz |
| GPU | Qualcomm Adreno 618 | Qualcomm Adreno 618 |
| GPU frequency | 610 MHz | 610 MHz |
| RAM capacity | 6 GB 8 GB | 6 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1866 MHz | 1866 MHz |
| Mi Turbo Game Turbo 2.0 | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB 256 GB | 64 GB |
| UFS 2.1 | - |
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 | Super AMOLED | AMOLED |
| Diagonal size | 6.39 in 162.31 mm 16.23 cm | 6.39 in 162.31 mm 16.23 cm |
| Width | 2.68 in 68.02 mm 6.8 cm | 2.62 in 66.6 mm 6.66 cm |
| Height | 5.8 in 147.37 mm 14.74 cm | 5.83 in 148.01 mm 14.8 cm |
| Aspect ratio | 2.167:1 | 2.222:1 |
| Resolution | 1080 x 2340 pixels | 1080 x 2400 pixels |
| Pixel density | 403 ppi 158 ppcm | 412 ppi 161 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 86.37 % | 84.38 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| 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 | 2.5D curved glass 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 Hall | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| In-display fingerprint sensor Step detector Step counter | - |
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 IMX582 Exmor RS | - |
| Sensor type | CMOS BSI | CMOS |
| Sensor format | 1/2" | - |
| Pixel size | 0.8 µm 0.000800 mm | - |
| ISO | 100 - 3200 | - |
| Aperture | f/1.75 | f/1.89 |
| Focal length and 35 mm equivalent | 4.77 mm 26 mm *(35 mm / full frame) | - |
| Number of lenses | 6 | 6 |
| Flash type | Dual LED | - |
| Image resolution | 8000 x 6000 pixels 48 MP | 9280 x 6920 pixels 64.22 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 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 Phase detection autofocus (PDAF) Contrast detection autofocus (CDAF) RAW | Autofocus Continuous shooting Digital zoom Optical zoom 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 Super Night Mode |
| Pixel size - 1.6 μm (4-in-1 pixel binning) 1080p @ 960 fps 720p @ 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 |
| Focal length equivalent (35 mm) | 15 mm *(35 mm / full frame) | - |
| Field of view | 124.8 ° | - |
| Number of lenses | 5 | - |
| Image resolution | 13 MP | 8 MP |
| Sensor type - ISOCELL | - |
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 | 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 | 2 x |
| Image resolution | 8 MP | 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.
| Aperture | - | f/2.4 |
| Image resolution | - | 4 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 S5K2T7 |
| Sensor type | - | ISOCELL |
| Sensor format | - | 1/2.8" |
| Pixel size | 0.8 µm 0.000800 mm | 1 µm 0.001000 mm |
| Aperture | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | 3.52 mm 18 mm *(35 mm / full frame) | - |
| Auxiliary light | - | LED |
| Image resolution | 5184 x 3880 pixels 20.11 MP | 5120 x 3840 pixels 19.66 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 |
| Mechanical pop-up front camera Sapphire glass cover | Under-display camera |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA | Spatial Upmix Gaudio |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS BeiDou Galileo |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct |
| 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 LE | A2DP LE |
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 |
| 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 Tethering DLNA NFC VoLTE | Computer sync OTA sync 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 aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AMR aptX eAAC+ FLAC M4A 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 Flash Video 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 | 4000 mAh | 4000 mAh |
| Type | Li-Polymer | Li-Ion |
| 4G talk time | - | 30 h 1800 min 1.3 days |
| Charger output power | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A | 9 V / 2 A |
| Quick charge technology | Qualcomm Quick Charge 4+ | 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 (India) | 1.07 W/kg | - |
| Body SAR (India) | 0.723 W/kg | - |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | M1903F10L - SAR (Specific Absorption Rate) India: head - 1.070 W/kg; body - 0.723 W/kg | Quantis QRNG security chip |
| Xiaomi Redmi K20 | Vsmart Aris |