Comparison between:
- Vivo V15
- Realme C51
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Vivo V15 | Realme C51 | |
![]() | ![]() | |
| Model alias | - | RMX3830 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.93 mm 7.593 cm 0.249 ft 2.989 in | 76.7 mm 7.67 cm 0.252 ft 3.02 in |
| Height | 161.97 mm 16.197 cm 0.531 ft 6.377 in | 167.2 mm 16.72 cm 0.549 ft 6.583 in |
| Thickness | 8.54 mm 0.854 cm 0.028 ft 0.336 in | 7.99 mm 0.799 cm 0.026 ft 0.315 in |
| Weight | 189 g 0.42 lbs 6.68 oz | 186 g 0.41 lbs 6.56 oz |
| Volume | 105.03 cm³ 6.38 in³ | 102.47 cm³ 6.22 in³ |
| Colors | Blue Red Black | Mint Green Carbon Black |
| Body materials | Plastic | Plastic |
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 |
| 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 GSМ 900 МНz GSМ 1900 МНz | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| LTE | LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2500 МНz (В41) LТЕ 850 МНz LТЕ 900 МНz LТЕ 2100 МНz | 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) | Funtоuсh 9.0 ОS (Аndrоid 9.0 Рiе) | Аndrоid 13 |
| User interface (UI) | - | realme UI T Edition |
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 Р70 (МТ6771V) | Unisос Тigеr Т612 |
| Process technology | 12 nm | 12 nm |
| CPU | 4х 2.1 GНz АRМ Соrtех-А73, 4х 2.0 GНz АRМ Соrtех-А53 | 2х 1.82 GНz АRМ Соrtех-А75, 6х 1.82 GНz АRМ Соrtех-А55 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 |
| CPU frequency | 2100 MHz | 1820 MHz |
| GPU | ARM Mali-G72 MP3 | ARM Mali-G57 |
| GPU cores | 3 | - |
| GPU frequency | 900 MHz | - |
| RAM capacity | 6 GB | 4 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1700 MHz | 1733 MHz |
| - | Virtual RAM expansion - 4 GB |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 128 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 | IPS | IPS |
| Diagonal size | 6.53 in 165.86 mm 16.59 cm | 6.74 in 171.2 mm 17.12 cm |
| Width | 3.2 in 81.32 mm 8.13 cm | 3.22 in 81.86 mm 8.19 cm |
| Height | 5.69 in 144.56 mm 14.46 cm | 5.92 in 150.36 mm 15.04 cm |
| Aspect ratio | 1.778:1 16:9 | 1.837:1 |
| Resolution | 1080 x 1920 pixels | 1176 x 2160 pixels |
| Pixel density | 337 ppi 132 ppcm | 365 ppi 143 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 95.89 % | 96.29 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 5 2.5D curved glass screen | 2.5D curved glass screen 90 Hz refresh rate 450 cd/m² typical brightness 560 cd/m² maximum brightness |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass Gyroscope |
| - | 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 | 1/2.8" | - |
| Pixel size | 1.28 µm 0.001280 mm | - |
| Aperture | f/1.78 | f/1.8 |
| Focal length and 35 mm equivalent | - | 27 mm *(35 mm / full frame) |
| Field of view | - | 77 ° |
| Number of lenses | - | 5 |
| Flash type | LED | LED |
| Image resolution | 4032 x 3024 pixels 12.19 MP | 8120 x 6180 pixels 50.18 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 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 | Autofocus Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| Third rear camera - 5 MP Aperture size - f/2.4 (#3) | - |
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.
| Aperture | f/2.2 | - |
| Field of view | 120 ° | - |
| 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.
| Image resolution | - | 0.3 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 S5KGD1 | - |
| Sensor type | - | CMOS |
| Pixel size | 0.8 µm 0.000800 mm | - |
| Aperture | f/2 | f/2.22 |
| Field of view | 120 ° | 76.8 ° |
| Number of lenses | - | 3 |
| Image resolution | 6784 x 4711 pixels 31.96 MP | 3648 x 2190 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Face unlock | Face unlock Face detection |
| Mechanical pop-up front camera Sensor type - ISOCELL PLUS | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
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 | 802.11а 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 | 4.2 | 5.0 |
| Features | A2DP | 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 | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering 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 AAC+ AMR AMR-WB 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 H.263 H.264 MP4 WebM 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 | 4000 mAh | 5000 mAh |
| Type | Li-Ion | Li-Polymer |
| Charger output power | 5 V / 2 A 9 V / 2 A | 11 V / 3 A |
| 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) | 1.014 W/kg | - |
| Body SAR (EU) | 1.768 W/kg | - |
| Head SAR (India) | 1.18 W/kg | 1.18 W/kg |
| Body SAR (India) | 0.48 W/kg | 0.78 W/kg |
| Vivo V15 | Realme C51 |

