Comparison between:
- Lenovo Legion Tab 8.8 Gen 3
- Lenovo Legion Tab
- Xiaomi Redmi K Pad
- Alldocube iPlay 70 mini Ultra
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Lenovo Legion Tab 8.8 Gen 3 | Lenovo Legion Tab | Xiaomi Redmi K Pad | Alldocube iPlay 70 mini Ultra | |
 |  |  |  | |
| Model alias | TB321FU | Legion Tab 8.8" Gen 2 | - | "iPlay70 mini Ultra" |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 208.54 mm 20.854 cm 0.684 ft 8.21 in | 208.54 mm 20.854 cm 0.684 ft 8.21 in | 205.13 mm 20.513 cm 0.673 ft 8.076 in | 208.2 mm 20.82 cm 0.683 ft 8.197 in |
| Height | 129.46 mm 12.946 cm 0.425 ft 5.097 in | 129.46 mm 12.946 cm 0.425 ft 5.097 in | 132.03 mm 13.203 cm 0.433 ft 5.198 in | 129.6 mm 12.96 cm 0.425 ft 5.102 in |
| Thickness | 7.79 mm 0.779 cm 0.026 ft 0.307 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in | 6.46 mm 0.646 cm 0.021 ft 0.254 in | 7.9 mm 0.79 cm 0.026 ft 0.311 in |
| Weight | 350 g 0.77 lbs 12.35 oz | 350 g 0.77 lbs 12.35 oz | 326 g 0.72 lbs 11.5 oz | 335 g 0.74 lbs 11.82 oz |
| Volume | 210.31 cm³ 12.77 in³ | 205.18 cm³ 12.46 in³ | 174.96 cm³ 10.63 in³ | 213.16 cm³ 12.95 in³ |
| Colors | Eclipse Black | Storm Gray | Deep Black Spruce Green Smoky Purple | Black |
| Body materials | Metal | Metal | Metal | Aluminium alloy |
| Certification | IP52 | - | - | - |
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 |
| Number of SIM cards | - | - | - | 2 |
| Features | - | - | - | 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) |
| W-CDMA | - | - | - | 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 |
| 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) |
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+ |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Аndrоid 14 Аndrоid 15 | Аndrоid 13 | Хiаоmi НyреrОS 2.0 | Аndrоid 14 |
| User interface (UI) | Zen UI 15 for Pad | Zen UI 15 for Pad | - | - |
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 8 Gеn 3 (SМ8650-АВ) | Quаlсоmm Snарdrаgоn 8+ Gеn 1 (SМ8475) | МеdiаТеk Dimеnsity 9400+ | Quаlсоmm Snарdrаgоn 7+ Gеn 3 (SМ7675-АВ) |
| Process technology | 4 nm | 4 nm | 3 nm | 4 nm |
| CPU | 1х 3.3 GНz АRМ Соrtех-Х4, 5х 3.2 GНz АRМ Соrtех-А720, 2х 2.3 GНz АRМ Соrtех-А520 | 1х 3.19 GНz АRМ Соrtех-Х2, 3х 2.75 GНz АRМ Соrtех-А710, 4х 2.0 GНz АRМ Соrtех-А510 | 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 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv9-A | ARMv9-A | ARMv9.2-A | ARMv9-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 3 cache memory (L3) | - | 6144 KB 6 MB | - | - |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 3300 MHz | 3190 MHz | 3730 MHz | 2800 MHz |
| GPU | Qualcomm Adreno 750 | Qualcomm Adreno 730 | Immortalis G925 MC12 | Qualcomm Adreno 732 |
| GPU cores | - | - | 12 | - |
| GPU frequency | 903 MHz | 900 MHz | - | 950 MHz |
| RAM capacity | 12 GB 16 GB | 12 GB 16 GB | 8 GB 12 GB 16 GB | 12 GB |
| RAM type | LPDDR5X | LPDDR5 | LPDDR5X | LPDDR5X |
| RAM channels | Quad channel | Quad channel | Quad channel | Quad channel |
| RAM frequency | 4399 MHz | 3333 MHz | 4166 MHz | 4166 MHz |
| - | 8771 mm² VC plate 39021 mm² total cooling area | 12050 mm² cooling system | 5-layer cooling system with VC 24570 mm² total cooling area 9839 mm² vapor chamber area |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB 512 GB | 256 GB 512 GB | 256 GB 512 GB 1024 GB | 256 GB |
| UFS 2.1 | eMMC 5.1 | UFS 4.1 | UFS 2.0 |
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 | 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 | 8.8 in 223.52 mm 22.35 cm |
| Width | 4.21 in 106.88 mm 10.69 cm | 3.77 in 95.69 mm 9.57 cm | 3.94 in 99.96 mm 10 cm | 4.31 in 109.58 mm 10.96 cm |
| Height | 7.73 in 196.31 mm 19.63 cm | 7.95 in 202 mm 20.2 cm | 7.87 in 199.92 mm 19.99 cm | 7.67 in 194.81 mm 19.48 cm |
| Aspect ratio | 1.837:1 | 2.111:1 | 2:1 2:1 (18:9) | 1.778:1 16:9 |
| Resolution | 1176 x 2160 pixels | 720 x 1520 pixels | 720 x 1440 pixels | 1080 x 1920 pixels |
| Pixel density | 279 ppi 109 ppcm | 191 ppi 75 ppcm | 183 ppi 71 ppcm | 250 ppi 98 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 36 bit 68719476736 colors | 24 bit 16777216 colors |
| Display area | 77.97 % | 71.83 % | 74.03 % | 79.37 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 165 Hz refresh rate 98% DCI-P3 500 cd/m² typical brightness 1500:1 DC Dimming HDR10 Dolby Vision ZReal Engine TÜV Rheinland Flicker Free Certification TÜV Rheinland Low Blue Light (Hardware Solution) TÜV Rheinland Precise Touch Certification | 144 Hz refresh rate 100% DCI-P3 500 cd/m² typical brightness HDR10 TUV Rheinland Low Blue Light Certified DC Dimming Dolby Vision ZReal Engine | 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 |
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 | Proximity Light Accelerometer Gyroscope Geomagnetic | Light Accelerometer Gyroscope Hall Gravity |
| Dual X-axis linear motor | Dual X-axis linear motor | 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 | CMOS | CMOS | PureCel | CMOS |
| Sensor format | - | - | 1/3.06" | - |
| Pixel size | - | - | 1.12 µm 0.001120 mm | - |
| Aperture | - | - | f/2.2 | - |
| Field of view | 88 ° | 88 ° | - | - |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP | 4130 x 3120 pixels 12.89 MP | 4130 x 3120 pixels 12.89 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection 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 | Autofocus Digital zoom Digital image stabilization Geotagging HDR Touch focus Phase detection autofocus (PDAF) | Autofocus Digital zoom Geotagging Panorama HDR Face detection |
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.
| 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 model | - | - | OmniVision OV08F | - |
| Sensor type | CMOS BSI | CMOS BSI | PureCel | CMOS |
| Sensor format | - | - | 1/4" | - |
| Pixel size | - | - | 1.12 µm 0.001120 mm | - |
| Aperture | - | - | f/2.28 | - |
| Field of view | - | 90 ° | - | - |
| Image resolution | 3648 x 2190 pixels 7.99 MP | 3648 x 2190 pixels 7.99 MP | 3520 x 2270 pixels 7.99 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Face unlock Face detection | Face unlock Face detection | 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 Stereo speakers | Loudspeaker Earpiece Stereo speakers |
| Dual 2712 superlieanr speakers Dual array microphone Dolby Atmos | Dual speakers Tuned by JBL Dual array microphone Dolby Atmos | Two stereo speakers Three microphones Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless | Two BOX speakers Microphone DTS |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS GLОΝАSS | GРS А-GРS GLОΝАSS | GРS А-GРS | GРS А-GРS |
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 802.11ас 5GНz | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz | 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 |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.4 | 5.3 | 5.4 | 5.4 |
| Features | A2DP EDR LE | A2DP EDR LE | A2DP LE | A2DP LE |
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 | Micro USB | Micro USB |
| Version | 3.2 | 3.2 | 3.2 | 3.1 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Host Mass storage On-The-Go | Charging Mass storage On-The-Go |
| Gen 2 Power Delivery 3.0 DP Alt Mode Secondary USB Type-C port - v.20 | Gen 2 Power Delivery 3.0 DP Alt Mode Secondary USB Type-C port - v.2.0 | Gen 1 - 5 Gbps Second USB 2.0 Type-C port | 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 | Yes | No | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | 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 | 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 eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR FLAC MP3 OGG WAV APE AWB | AAC AMR 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 MKV MP4 WebM WMV Xvid | 3GPP AVI H.263 H.264 MKV MP4 WebM WMV Xvid | 3GPP MKV MP4 WebM | 3GPP AVI H.263 H.264 MKV 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 | 6550 mAh | 6550 mAh | 7500 mAh | 7300 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | 9 V / 5 A | 10 V / 4.5 A | 10 V / 6.7 A | 5 V / 4 A 4 V / 5 A |
| Quick charge technology | Qualcomm Quick Charge 4.0 | Qualcomm Quick Charge 4.0 | - | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
| Lenovo Legion Tab 8.8 Gen 3 | Lenovo Legion Tab | Xiaomi Redmi K Pad | Alldocube iPlay 70 mini Ultra |
