Comparison between:
- Xiaomi Redmi Turbo 4 Pro
- Samsung Galaxy S21+ 5G SD888
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi Turbo 4 Pro | Samsung Galaxy S21+ 5G SD888 | |
 |  | |
| Model alias | - | Galaxy S21 Plus 5G SD888 SM-G996B SM-G996B/DS SM-G996U SM-G996U1 SM-G996W |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77.93 mm 7.793 cm 0.256 ft 3.068 in | 75.6 mm 7.56 cm 0.248 ft 2.976 in |
| Height | 163.1 mm 16.31 cm 0.535 ft 6.421 in | 161.5 mm 16.15 cm 0.53 ft 6.358 in |
| Thickness | 7.98 mm 0.798 cm 0.026 ft 0.314 in | 7.8 mm 0.78 cm 0.026 ft 0.307 in |
| Weight | 219 g 0.48 lbs 7.72 oz | 202 g 0.45 lbs 7.13 oz |
| Volume | 101.43 cm³ 6.16 in³ | 95.23 cm³ 5.78 in³ |
| Colors | Black White Green Harry Potter Edition | Phantom Black Phantom Silver Phantom Violet Phantom Gold Phantom Red |
| Body materials | Aluminium alloy Glass | Glass Aluminium alloy |
| Certification | IP68 | IP68 |
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 eSIM |
| Number of SIM cards | 2 | 1 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM optional (A variant of the model with two SIM card slots is available) |
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 900 МНz (В8) GSМ 1900 МНz (В2) |
| W-CDMA | 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 2100 MHz (B1) | - |
| UMTS | - | UМТS 900 МНz (В8) UМТS 1700 МНz (В4) UМТS 1900 МНz (В2) UМТS 2100 МНz (В1) |
| LTE | 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 1700 МНz (В66) LТЕ-FDD 1800 МНz (В3) 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 (В12) LТЕ-FDD 700 МНz (В13) LТЕ-FDD 700 МНz (В17) LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) LТЕ-FDD 850 МНz (В5) 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 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1700 MHz (n66) 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) | 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-FDD 2600 MHz (n7) 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 | UМТS GРRS LТЕ Саt 20 |
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) | Аndrоid 11 |
| User interface (UI) | - | One UI 3.1 |
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 8s Gеn 4 (SМ8735) | Quаlсоmm Snарdrаgоn 888 (SМ8350) |
| Process technology | 4 nm | 5 nm |
| CPU | 1х 3.21 GНz Х4, 2х 2.9 GНz А720, 3х 3.01 GНz А720, 2х 2.8 GНz А720, 2х 2.01 GНz А720 | 1х 2.84 GНz АRМ Соrtех-Х1, 3х 2.42 GНz АRМ Соrtех-А78, 4х 1.8GНz АRМ Соrtех-А55 (Κryо 680) |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv9-A | ARMv8.2-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | - | 1024 KB 1 MB |
| Level 3 cache memory (L3) | - | 4096 KB 4 MB |
| CPU cores | 8 | 8 |
| CPU frequency | 3210 MHz | 2840 MHz |
| GPU | Qualcomm Adreno 825 | Qualcomm Adreno 660 |
| GPU frequency | - | 840 MHz |
| RAM capacity | 12 GB 16 GB | 8 GB |
| RAM type | LPDDR5X | LPDDR5 |
| RAM channels | Quad channel | Quad channel |
| RAM frequency | 4700 MHz | 3333 MHz |
| 6000 mm² 3D cooling system | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB 512 GB 1024 GB | 128 GB 256 GB |
| UFS 4.1 | UFS 2.0 |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | AMOLED | Dynamic AMOLED |
| Diagonal size | 6.83 in 173.48 mm 17.35 cm | 6.7 in 170.18 mm 17.02 cm |
| Width | 2.8 in 71.19 mm 7.12 cm | 3.2 in 81.37 mm 8.14 cm |
| Height | 6.23 in 158.2 mm 15.82 cm | 5.88 in 149.46 mm 14.95 cm |
| Aspect ratio | 2.222:1 | 1.837:1 |
| Resolution | 1080 x 2400 pixels | 1176 x 2160 pixels |
| Pixel density | 385 ppi 151 ppcm | 367 ppi 144 ppcm |
| Color depth | 36 bit 68719476736 colors | 24 bit 16777216 colors |
| Display area | 88.9 % | 99.94 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen 120 Hz refresh rate 800 cd/m² typical brightness 1400 cd/m² global peak brightness 3200 cd/m² local peak brightness 3840 Hz PWM dimming 100% DCI-P3 12-bit color bit depth ZReal HDR Vivid HDR10+ Dolby Vision TÜV Rheinland Low Blue Light Certified (Hardware Solution) TÜV Rheinland Flicker Free Certified TÜV Rheinland Circadian Friendly Certified | Corning Gorilla Glass Victus Infinity-O Display Always-On Display 120Hz refresh rate (adaptive) HDR10+ 1300 cd/m² peak brightness |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Accelerometer Compass Gyroscope Fingerprint Ultrasonic proximity sensor | Proximity Light Accelerometer Compass Gyroscope Barometer Geomagnetic Fingerprint |
| X-axis linear motor In-display fingerprint sensor | In-display ultrasonic 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 | Sony LYT-600 | - |
| Sensor type | CMOS BSI 2 | CMOS |
| Sensor format | 1/1.95" | 1/1.76" |
| Pixel size | 0.8 µm 0.000800 mm | 1.8 µm 0.001800 mm |
| Aperture | f/1.5 | f/1.8 |
| Focal length and 35 mm equivalent | - | 26 mm *(35 mm / full frame) |
| Field of view | - | 79 ° |
| Flash type | LED | LED |
| Image resolution | 8120 x 6180 pixels 50.18 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 7680 x 4320 pixels 33.18 MP |
| Video FPS | 60 fps | 30 fps |
| Features | 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 Macro mode Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Optical zoom 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) |
| - | Phase detection with Dual Pixel Object tracking AF Dual OIS 2160p @ 60 fps 1080p @ 240 fps 720p @ 960 fps HDR10+ video recording |
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 | - | Sony IMX563 |
| Sensor format | - | 1/2.55" |
| Pixel size | - | 1.4 µm 0.001400 mm |
| Aperture | f/2.2 | f/2.2 |
| Focal length equivalent (35 mm) | - | 13 mm *(35 mm / full frame) |
| Field of view | - | 120 ° |
| Image resolution | 8 MP | 12 MP |
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 format | - | 1/1.76" |
| Pixel size | - | 0.8 µm 0.000800 mm |
| Aperture | - | f/2 |
| Focal length equivalent (35 mm) | - | 28 mm *(35 mm / full frame) |
| Field of view | - | 76 ° |
| Image resolution | - | 64 MP |
| Features | - | Optical image stabilization |
| - | 3x hybrid optical zoom |
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 | OmniVision OV20B | - |
| Sensor type | PureCel | CMOS |
| Sensor format | 1/4" | 1/3.24" |
| Pixel size | 0.8 µm 0.000800 mm | 1.22 µm 0.001220 mm |
| Aperture | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | - | 25 mm *(35 mm / full frame) |
| Field of view | - | 80 ° |
| Number of lenses | 4 | - |
| Image resolution | 20 MP | 10 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | - |
| Video FPS | 30 fps | - |
| Features | Face unlock Face detection | Phase detection autofocus (PDAF) HDR Autofocus |
| - | Phase detection with Dual Pixel Auto HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers |
| - | 384 kHz / 32-bit AKG audio Dolby Atmos |
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 | 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 6 (802.11ах) Wi-Fi 6Е (802.11ах) Wi-Fi Disрlаy 802.11а | 802.11а 802.11b 802.11g Wi-Fi 6Е (802.11ах) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz 802.11аd |
| 2x2 MIMO | HE80 MiMO 1024-QAM |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.4 | 5.2 |
| Features | A2DP EDR HID LE | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP |
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 | 3.2 |
| 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 ViLTE VoWiFi | Computer sync OTA sync Tethering NFC Ultra-wideband (UWB) |
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 LHDC 5.0 LC3 APE AWB | AAC AMR FLAC M4A MIDI MP3 OGG WMA WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA APE DSF DFF |
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 WebM WMV Xvid ASF | AVI MKV MP4 WMV M4V 3GP 3G2 ASF FLV WEBM |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 7550 mAh | 4800 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 20 V / 4.5 A | 5 V / 5 A |
| Features | Fast charging Non-removable | Wireless charging Fast charging Non-removable |
| Xiaomi Surging P2 Xiaomi Surging G1 22.5W reverse wired charging | Qi/PMA wireless charging - 15 W Wireless reverse charging - 9 W Fast Wireless Charging 2.0 USB Power Delivery 3.0 |
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) | - | 0.211 W/kg |
| Body SAR (EU) | - | 0.945 W/kg |
| Head SAR (USA) | - | 0.22 W/kg |
| Body SAR (USA) | - | 0.58 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | Samsung DeX |
| Xiaomi Redmi Turbo 4 Pro | Samsung Galaxy S21+ 5G SD888 |