Comparison between:
- Xiaomi Redmi Note 15 4G
- Vivo Y31d
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi Note 15 4G | Vivo Y31d | |
 |  | |
| Model alias | 2510DRA23E 2510DRA23G | - |
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 | 78.43 mm 7.843 cm 0.257 ft 3.088 in |
| Height | 164 mm 16.4 cm 0.538 ft 6.457 in | 166.64 mm 16.664 cm 0.547 ft 6.561 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 8.49 mm 0.849 cm 0.028 ft 0.334 in |
| Weight | 183 g 0.4 lbs 6.48 oz | 219 g 0.48 lbs 7.72 oz |
| Volume | 97.69 cm³ 5.93 in³ | 110.96 cm³ 6.74 in³ |
| Colors | Black Forest Green Glacier Blue Purple | Glow White Starlight Gray |
| Body materials | Plastic Glass | Plastic |
| Certification | IP64 | IP68 IP69 |
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 | 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) | 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 1800 МНz (В3) | GSМ 850 МНz (В5) GSМ 1800 МНz (В3) |
| W-CDMA | 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) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| LTE | 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) | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) 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) | Хiаоmi НyреrОS 2.0 (Аndrоid 15) | ОriginОS 6 (Аndrоid 16) |
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 G100 (МТ6789Н) | Quаlсоmm Snарdrаgоn 6s 4G Gеn 2 |
| Process technology | 6 nm | 4 nm |
| CPU | 2х 2.2 GНz АRМ Соrtех-А76, 6х 2.0 GНz АRМ Соrtех-А55 | 4х 2.9 GНz АRМ Соrtех-А73, 4х АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8.2-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 | 2900 MHz |
| GPU | ARM Mali-G57 MC2 | Qualcomm Adreno |
| GPU cores | 2 | - |
| GPU frequency | 1000 MHz | - |
| RAM capacity | 6 GB 8 GB | 6 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 2033 MHz | 2266 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB 256 GB 512 GB | 128 GB 256 GB |
| UFS 2.0 | 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 | OLED | IPS |
| Diagonal size | 6.77 in 171.96 mm 17.2 cm | 6.75 in 171.45 mm 17.15 cm |
| Width | 3.03 in 76.9 mm 7.69 cm | 2.83 in 71.85 mm 7.18 cm |
| Height | 6.06 in 153.8 mm 15.38 cm | 6.13 in 155.67 mm 15.57 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2.167:1 |
| Resolution | 720 x 1440 pixels | 1080 x 2340 pixels |
| Pixel density | 238 ppi 93 ppcm | 382 ppi 150 ppcm |
| Color depth | 36 bit 68719476736 colors | 24 bit 16777216 colors |
| Display area | 95.96 % | 85.85 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| 3D curved glass screen 120 Hz refresh rate 240 Hz touch sampling rate 3200 cd/m² peak brightness 2560 Hz PWM dimming | 2.5D curved glass screen 120 Hz refresh rate 83% NTSC 1250 cd/m² HBM |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Magnetometer | Proximity Light Accelerometer Compass Gyroscope |
| In-display fingerprint sensor | Side-mounted 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 | CMOS |
| Sensor format | 1/1.67" | - |
| Pixel size | 0.64 µm 0.000640 mm | - |
| Aperture | f/1.7 | f/2 |
| Focal length and 35 mm equivalent | 24 mm *(35 mm / full frame) | - |
| Flash type | Dual LED | LED |
| Image resolution | 12000 x 9000 pixels 108 MP | 8192 x 6180 pixels 50.63 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | 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 | 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) |
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 | - |
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.
| 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 type | CMOS BSI | - |
| Sensor format | 1/4" | - |
| Pixel size | 0.7 µm 0.000700 mm | - |
| Aperture | f/2.2 | f/2.05 |
| Image resolution | 20 MP | 3648 x 2190 pixels 7.99 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 Face detection | Face unlock HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece |
| Dolby Atmos | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No |
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 | 802.11а 802.11b 802.11g Wi-Fi Disрlаy 802.11а 802.11аd | 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 | 5.2 | 5.1 |
| 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 | Micro USB | USB Type-C |
| 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 | No | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering 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 AMR aptX eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR aptX aptX HD FLAC MIDI MP3 OGG WMA WAV APE 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 QuickTime MP4 WebM WMV Xvid | 3GPP AVI DivX H.263 H.264 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 | 6000 mAh | 7200 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 11 V / 3 A | 11 V / 4 A 5 V / 3 A |
| Features | Fast charging Non-removable | Fast charging Non-removable |
| 18W reverse wired charging | - |
| Xiaomi Redmi Note 15 4G | Vivo Y31d |