Comparison between:
- Xiaomi Redmi 13
- Samsung Galaxy A51
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi 13 | Samsung Galaxy A51 | |
 |  | |
| Model alias | - | SM-A515F/DS SM-A515F/DSN SM-A515FN/DS SM-A515GN/DS SM-A515FM/DS SM-A515YN SM-A515W |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.28 mm 7.628 cm 0.25 ft 3.003 in | 73.6 mm 7.36 cm 0.241 ft 2.898 in |
| Height | 168.6 mm 16.86 cm 0.553 ft 6.638 in | 158.5 mm 15.85 cm 0.52 ft 6.24 in |
| Thickness | 8.17 mm 0.817 cm 0.027 ft 0.322 in | 7.9 mm 0.79 cm 0.026 ft 0.311 in |
| Weight | 198 g 0.44 lbs 7 oz | 172 g 0.38 lbs 6.07 oz |
| Volume | 105.07 cm³ 6.38 in³ | 92.16 cm³ 5.6 in³ |
| Colors | Midnight Black Sandy Gold Pearl Pink Ocean Blue | Prism Crush Blue Prism Crush Black Prism Crush Pink Prism Crush White |
| Body materials | Plastic 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 / microSD Micro-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 (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | - |
| UMTS | - | UМТS 900 МНz (В8) UМТS 1900 МНz (В2) UМТS 2100 МНz (В1) |
| LTE | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) 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 2600 МНz (В7) |
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 Саt 12 |
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 (Аndrоid 14) | Аndrоid 10 |
| User interface (UI) | - | One UI 2.0 |
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 G91 Ultrа | Sаmsung Ехynоs 7 Осtа 9611 |
| Process technology | 12 nm | 10 nm |
| CPU | 2х 2.0 GНz АRМ Соrtех-А75, 6х 1.8 GНz АRМ Соrtех-А55 | 4х 2.3 GНz АRМ Соrtех-А73, 4х 1.7 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 |
| CPU frequency | 2000 MHz | 2300 MHz |
| GPU | ARM Mali-G52 MC2 | ARM Mali-G72 MP3 |
| GPU cores | 2 | 3 |
| GPU frequency | - | 850 MHz |
| RAM capacity | 6 GB 8 GB | 4 GB 6 GB 8 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1933 MHz | 1733 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB 256 GB | 64 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 | IPS | Super AMOLED |
| Diagonal size | 6.79 in 172.47 mm 17.25 cm | 6.5 in 165.1 mm 16.51 cm |
| Width | 2.79 in 70.77 mm 7.08 cm | 2.82 in 71.55 mm 7.15 cm |
| Height | 6.19 in 157.28 mm 15.73 cm | 5.86 in 148.79 mm 14.88 cm |
| Aspect ratio | 2.222:1 | 2.08:1 |
| Resolution | 1080 x 2400 pixels | 1080 x 2246 pixels |
| Pixel density | 388 ppi 152 ppcm | 383 ppi 150 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 86.83 % | 91.55 % |
| Other features | Capacitive Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen AdaptiveSync 90 Hz refresh rate 450 cd/m² typical brightness 550 cd/m² HBM DC Dimming TÜV Rheinland Low Blue Light (Hardware Solution) TÜV Rheinland Circadian Friendly TÜV Rheinland Flicker Free | Corning Gorilla Glass 3 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Accelerometer Fingerprint Virtual Sensor | Proximity Light Accelerometer Compass Gyroscope |
| Side-mounted fingerprint sensor | In-display 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 model | Samsung S5KHM6 | Samsung S5KGM2 |
| Sensor type | ISOCELL | ISOCELL |
| Sensor format | 1/1.67" | 1/2.25" |
| Pixel size | 0.64 µm 0.000640 mm | 0.8 µm 0.000800 mm |
| Aperture | f/1.75 | f/2 |
| Number of lenses | 6 | 6 |
| Flash type | LED | LED |
| Image resolution | 12000 x 9000 pixels 108 MP | 8000 x 6000 pixels 48 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 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) | 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 Phase detection autofocus (PDAF) |
| - | Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection |
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.
| Pixel size | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2.2 |
| Image resolution | - | 12 MP |
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 format | 1/5" | - |
| Pixel size | 1.75 µm 0.001750 mm | - |
| Aperture | f/2.4 | f/2.4 |
| Image resolution | 2 MP | 5 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.
| Pixel size | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2.2 |
| Image resolution | - | 5 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 BSI | ISOCELL |
| Sensor format | - | 1/2.8" |
| Pixel size | - | 0.8 µm 0.000800 mm |
| Aperture | f/2.45 | f/2.2 |
| Image resolution | 4504 x 2854 pixels 12.85 MP | 6944 x 4655 pixels 32.32 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 |
| - | Sensor type - ISOCELL Slim |
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 GLОΝАSS | 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 802.11ас 5GНz 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 | 5.4 | 5.0 |
| Features | A2DP LE | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP |
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 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 NFC VoLTE | Computer sync OTA sync Tethering NFC VoLTE ANT+ |
| NFC is market-dependent | - |
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 AMR-WB 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 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 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 | 5030 mAh | 4000 mAh |
| Type | Li-Ion | Li-Ion |
| 4G talk time | 34 h 2040 min 1.4 days | - |
| 4G stand-by time | 456 h 27360 min 19 days | - |
| Charger output power | 11 V / 3 A | 5 V / 2 A 9 V / 1.67 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) | - | 0.619 W/kg |
| Body SAR (EU) | - | 1.74 W/kg |
| Head SAR (USA) | - | 0.915 W/kg |
| Body SAR (USA) | - | 0.86 W/kg |
| Xiaomi Redmi 13 | Samsung Galaxy A51 |
