Comparison between:
- Xiaomi Redmi K Pad
- Alldocube iPlay 70 mini Ultra
- Alldocube iPlay 80 mini Ultra
- Dell Venue 8 Pro 5855
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi K Pad | Alldocube iPlay 70 mini Ultra | Alldocube iPlay 80 mini Ultra | Dell Venue 8 Pro 5855 | |
 |  |  |  | |
| Model alias | - | "iPlay70 mini Ultra" | "iPlay80 mini Ultra" | 5855 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 205.13 mm 20.513 cm 0.673 ft 8.076 in | 208.2 mm 20.82 cm 0.683 ft 8.197 in | 208.2 mm 20.82 cm 0.683 ft 8.197 in | 216 mm 21.6 cm 0.709 ft 8.504 in |
| Height | 132.03 mm 13.203 cm 0.433 ft 5.198 in | 129.6 mm 12.96 cm 0.425 ft 5.102 in | 129.2 mm 12.92 cm 0.424 ft 5.087 in | 130 mm 13 cm 0.427 ft 5.118 in |
| Thickness | 6.46 mm 0.646 cm 0.021 ft 0.254 in | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 7.75 mm 0.775 cm 0.025 ft 0.305 in | 9.45 mm 0.945 cm 0.031 ft 0.372 in |
| Weight | 326 g 0.72 lbs 11.5 oz | 335 g 0.74 lbs 11.82 oz | - | 377 g 0.83 lbs 13.3 oz |
| Volume | 174.96 cm³ 10.63 in³ | 213.16 cm³ 12.95 in³ | 208.47 cm³ 12.66 in³ | 265.36 cm³ 16.11 in³ |
| Colors | Deep Black Spruce Green Smoky Purple | Black | Black | Black |
| Body materials | Metal | Aluminium alloy | Aluminium alloy | - |
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 / microSD Micro-SIM | Nano-SIM |
| Number of SIM cards | - | 2 | 2 | 1 |
| 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 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| TD-SCDMA | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - |
| LTE | - | 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 1900 МНz (В2) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 1900 МНz (В39) 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 1900 МНz (В2) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 1900 МНz (В39) 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 НSРА+ | UМТS GРRS НSРА+ | - |
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 14 | Аndrоid 16 | Мiсrоsоft Windоws 10 Рrо |
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 Dimеnsity 9400+ | Quаlсоmm Snарdrаgоn 7+ Gеn 3 (SМ7675-АВ) | МеdiаТеk Dimеnsity 8300-Ultrа (МТ6897) | Ιntеl Аtоm х5-Ζ8500 |
| Process technology | 3 nm | 4 nm | 4 nm | 14 nm |
| CPU | 1х 3.73 GНz АRМ Соrtех-Х4, 3х 3.3 GНz АRМ Соrtех-Х4, 4х 2.4 GНz АRМ Соrtех-А720 | 1х 2.8 GНz АRМ Соrtех-Х4, 3х 2.6 GНz АRМ Соrtех-А720, 4х 1.9 GНz АRМ Соrtех-А520 | 4х 3.35 GНz АRМ Соrtех-А715, 4х 2.2 GНz АRМ Соrtех-А510 | Ιntеl Сhеrry Тrаil |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv9.2-A | ARMv9-A | ARMv9-A | IA-32 (x86), IA-64 (x64) |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | - | - | - | 2048 KB 2 MB |
| Level 3 cache memory (L3) | - | - | 4196 KB 4.09766 MB | - |
| CPU cores | 8 | 8 | 8 | 4 |
| CPU frequency | 3730 MHz | 2800 MHz | 3350 MHz | 2240 MHz |
| GPU | Immortalis G925 MC12 | Qualcomm Adreno 732 | ARM Mali-G615 MC6 | Intel HD Graphics |
| GPU cores | 12 | - | 6 | - |
| GPU frequency | - | 950 MHz | - | 600 MHz |
| RAM capacity | 8 GB 12 GB 16 GB | 12 GB | 12 GB | 4 GB |
| RAM type | LPDDR5X | LPDDR5X | LPDDR5X | LPDDR4 |
| RAM channels | Quad channel | Quad channel | Quad channel | - |
| RAM frequency | 4166 MHz | 4166 MHz | 4399 MHz | 1733 MHz |
| 12050 mm² cooling system | 5-layer cooling system with VC 24570 mm² total cooling area 9839 mm² vapor chamber area | Virtual RAM expansion - 20GB | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB 512 GB 1024 GB | 256 GB | 256 GB | 64 GB |
| UFS 4.1 | UFS 2.0 | eMMC 5.1 | 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 | 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 | IPS | IPS |
| Diagonal size | 8.8 in 223.52 mm 22.35 cm | 8.8 in 223.52 mm 22.35 cm | 8.8 in 223.52 mm 22.35 cm | 8 in 203.2 mm 20.32 cm |
| Width | 3.94 in 99.96 mm 10 cm | 4.31 in 109.58 mm 10.96 cm | 3.77 in 95.69 mm 9.57 cm | 3.28 in 83.39 mm 8.34 cm |
| Height | 7.87 in 199.92 mm 19.99 cm | 7.67 in 194.81 mm 19.48 cm | 7.95 in 202 mm 20.2 cm | 7.3 in 185.3 mm 18.53 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 1.778:1 16:9 | 2.111:1 | 2.222:1 |
| Resolution | 720 x 1440 pixels | 1080 x 1920 pixels | 720 x 1520 pixels | 1080 x 2400 pixels |
| Pixel density | 183 ppi 71 ppcm | 250 ppi 98 ppcm | 191 ppi 75 ppcm | 329 ppi 129 ppcm |
| Color depth | 36 bit 68719476736 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 74.03 % | 79.37 % | 72.09 % | 55.21 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| Corning Gorilla Glass 5 165 Hz refresh rate 372 Hz touch sampling rate 700 cd/m² HBM DCI-P3 HDR Vivid HDR10 Dolby Vision TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified TÜV Rheinland Circadian Friendly Certified | In-cell LTPS 144 Hz 500 cd/m² 1500:1 97% NTSC Widevine L1 | In-cell LTPS 144 Hz 500 cd/m² 1500:1 97% NTSC Widevine L1 | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Gyroscope Geomagnetic | Light Accelerometer Gyroscope Hall Gravity | Light Accelerometer Gyroscope Hall Gravity | Accelerometer Compass |
| X-axis linear motor | - | - | - |
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 | OmniVision OV13B | - | - | - |
| Sensor type | PureCel | CMOS | CMOS | CMOS |
| Sensor format | 1/3.06" | - | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | - | - |
| Aperture | f/2.2 | - | - | - |
| Image resolution | 4130 x 3120 pixels 12.89 MP | 4130 x 3120 pixels 12.89 MP | 4130 x 3120 pixels 12.89 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Digital zoom Digital image stabilization Geotagging HDR Touch focus Phase detection autofocus (PDAF) | Autofocus Digital zoom Geotagging Panorama HDR Face detection | Autofocus Digital zoom Geotagging Panorama HDR Face detection | Digital 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 OV08F | - | - | - |
| Sensor type | PureCel | CMOS | CMOS | - |
| Sensor format | 1/4" | - | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | - | - |
| Aperture | f/2.28 | - | - | - |
| Image resolution | 3520 x 2270 pixels 7.99 MP | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Face detection Face unlock HDR | - | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Stereo speakers | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece |
| Two stereo speakers Three microphones Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless | Two BOX speakers Microphone DTS | Two BOX speakers Microphone DTS | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | Yes | Yes | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS | GРS А-GРS | 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 6 (802.11ах) Wi-Fi 7 (802.11bе) Wi-Fi Disрlаy 802.11а | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi Disрlаy 802.11а 802.11аd | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi 6Е (802.11ах) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz | 802.11b 802.11g 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 | 5.4 | 5.3 | 4.1 |
| Features | A2DP LE | A2DP LE | A2DP LE | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB | USB Type-C | USB Type-C |
| Version | 3.2 | 3.1 | 3.1 | 2.0 |
| Features | Charging Host Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage |
| Gen 1 - 5 Gbps Second USB 2.0 Type-C port | Gen 1 - 5 Gbps DisplayPort Alt Mode | Gen 1 - 5 Gbps DisplayPort Alt Mode | - |
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 | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering |
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 | 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 FLAC MP3 OGG WAV APE AWB | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR MP3 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 MKV MP4 WebM | 3GPP AVI H.263 H.264 MKV MP4 WebM WMV Xvid | 3GPP AVI H.263 H.264 MKV MP4 WebM WMV Xvid | 3GPP H.263 H.264 MPEG-4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 7500 mAh | 7300 mAh | 7200 mAh | - |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Ion |
| Charger output power | 10 V / 6.7 A | 5 V / 4 A 4 V / 5 A | 11 V / 3 A | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Non-removable |
| - | - | Bypass charging 20W charger in the box | 19.5 WHr |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | - | Stylus |
| Xiaomi Redmi K Pad | Alldocube iPlay 70 mini Ultra | Alldocube iPlay 80 mini Ultra | Dell Venue 8 Pro 5855 |
