Blackview Tab 20 Wi-Fi specifications and in-depth review

Blackview Tab 20 Wi-Fi

Manufacturer: Blackview

The Blackview Tab 20 Wi-Fi is a 10.1-inch Android tablet built around everyday usability, running Android 15 out of the box. It carries a 6000 mAh battery, stereo speakers, and a 3.5 mm headphone jack, making it a straightforward option for media consumption and general use. The device supports USB Type-C connectivity and includes a front-facing 5 MP camera alongside an 8 MP rear shooter capable of 1080p video at 30 fps.

Under the hood, the Tab 20 Wi-Fi is powered by the Unisoc T310 chipset, paired with 4 GB of DDR4 RAM running at 1333 MHz and 64 GB of eMMC 5.1 storage. The microSD slot supports up to 2 TB of external memory, which considerably extends its storage headroom. The 10.1-inch IPS LCD display outputs at 1280 x 800 pixels and a pixel density of 149 ppi with a 60 Hz refresh rate, while connectivity is handled by Wi-Fi 5 and Bluetooth 5.0. The tablet also integrates GPS with Galileo support and features an accelerometer among its onboard sensors.

Pros
  • The 6000 mAh battery offers substantial capacity for extended use without frequent recharging
  • Stereo speakers and a 3.5 mm headphone jack provide flexible audio options for media consumption
  • Storage can be expanded up to 2 TB via an external memory card slot, greatly extending the base 64 GB
  • Runs Android 15 out of the box, providing access to the latest software features and privacy controls
  • GPS with Galileo support enables reliable location tracking without a cellular connection
  • A broad set of software features including split-screen, Picture-in-Picture, dark mode, and offline voice recognition adds practical day-to-day versatility
Cons
  • The 1280 x 800 resolution at 149 ppi produces a relatively low pixel density for a 10.1-inch screen
  • Fast charging is not supported, which may slow down recharging the large 6000 mAh battery
  • No fingerprint scanner or advanced biometric security option is available
  • The display lacks an anti-reflection coating and any form of damage-resistant glass
  • There is no gyroscope, compass, or barometer, limiting sensor-dependent applications
  • Direct OS updates from the vendor are not provided, which may affect long-term software support
Who is this for?

This tablet is a reasonable fit for casual everyday users who primarily engage in media consumption, light browsing, and general productivity tasks. The 6000 mAh battery supports extended use without constant recharging, while stereo speakers and a 3.5 mm jack make it practical for watching videos or listening to audio. The generous expandable storage up to 2 TB suits users who store large amounts of local content, and the multi-user support along with child lock functionality makes it a solid choice for shared household or family use where multiple profiles are needed.

Who is this NOT for?

Users who require a visually sharp experience will find the 1280 x 800 resolution at 149 ppi limiting, particularly for reading fine text or viewing detailed graphics on a 10.1-inch screen. The absence of fast charging, combined with the lack of a fingerprint scanner or any hardware biometric security, makes it poorly suited for productivity-focused or security-conscious users who need quick authentication and efficient power management. Additionally, the limited 4 GB of RAM and the entry-level Unisoc T310 chipset make this a weak match for users who rely on demanding applications, heavy multitasking, or graphically intensive games.

Design:

weight 514 g
thickness 9.4 mm
width 241.5 mm
height 160 mm
volume 363.216 cm³
Stylus included
Has a detachable keyboard
Has a backlit keyboard
water resistance None
Has tilt sensitivity

The Blackview Tab 20 Wi-Fi measures 241.5 mm wide and 160 mm tall with a thickness of 9.4 mm, giving it a relatively slim profile for its class. It weighs 514 g, which places it in a moderate range for a 10.1-inch tablet. The device does not include a stylus, a detachable keyboard, or backlit keyboard support, and it offers no water resistance rating.

Display:

screen size 10.1"
resolution 1280 x 800 px
pixel density 149 ppi
Display type IPS, LCD
refresh rate 60Hz
has branded damage-resistant glass
has anti-reflection coating
supports HDR10
has a touch screen
Has sapphire glass display
supports HDR10+
supports Dolby Vision
Has an e-paper display

The Blackview Tab 20 Wi-Fi features a 10.1-inch IPS LCD touchscreen with a resolution of 1280 x 800 pixels and a pixel density of 149 ppi, delivering standard HD-level clarity for its size. The display runs at a 60 Hz refresh rate and does not include branded damage-resistant glass, an anti-reflection coating, or a sapphire glass panel. Advanced display standards such as HDR10, HDR10+, and Dolby Vision are not supported, and the screen is not of the e-paper type.

Performance:

internal storage 64GB
RAM 4GB
Chipset (SoC) name Unisoc T310
GPU name PowerVR GE8300
CPU speed 1 x 2 & 3 x 1.8 GHz
has an external memory slot
semiconductor size 12 nm
Supports 64-bit
maximum amount of external memory supported 2048GB
Has integrated LTE
Uses big.LITTLE technology
DirectX version DirectX 10
Has integrated graphics
GPU clock speed 800 MHz
CPU threads 4 threads
RAM speed 1333 MHz
GPU turbo 800 MHz
Android version Android 15
OpenGL ES version 3.2
eMMC version 5.1
OpenCL version 1.2

The Tab 20 Wi-Fi is powered by the Unisoc T310 chipset, built on a 12 nm process and configured with a quad-core CPU running at 1 x 2 GHz and 3 x 1.8 GHz using big.LITTLE technology across 4 threads, paired with 4 GB of RAM at 1333 MHz. Graphics are handled by an integrated PowerVR GE8300 GPU clocked at 800 MHz with a turbo ceiling of 800 MHz, supporting DirectX 10, OpenGL ES 3.2, and OpenCL 1.2. The tablet ships with 64 GB of eMMC 5.1 internal storage and accepts external memory cards of up to 2048 GB, while also supporting 64-bit processing, integrated LTE on the SoC, and runs Android 15 out of the box.

Cameras:

megapixels (main camera) 8 MP
megapixels (front camera) 5MP
video recording (main camera) 1080 x 30 fps
has a flash
has a front camera
has a built-in HDR mode
can create panoramas in-camera
supports slow-motion video recording
has touch autofocus
optical zoom 0x
has a BSI sensor
has manual white balance
has a CMOS sensor
supports HDR10 recording
has continuous autofocus when recording movies
supports Dolby Vision recording
Has a front-facing LED flash
number of flash LEDs 1
has manual ISO
has a video light
Has timelapse function
Shoots 360° panorama
has a serial shot mode
has built-in optical image stabilization
has 3D photo/video recording capabilities
Has a dual-tone LED flash
has manual focus
Has a RGB LED flash
has manual exposure
has manual shutter speed

The Tab 20 Wi-Fi includes an 8 MP rear CMOS camera capable of recording video at 1080p and 30 fps, supported by a single LED flash and a video light for low-light shooting. Manual controls cover ISO, focus, exposure, and white balance, while touch autofocus and continuous autofocus during video recording are also available. HDR mode is built in, though optical zoom is absent and features such as slow-motion recording, timelapse, burst mode, panorama, optical image stabilization, HDR10 recording, and Dolby Vision recording are not supported. On the front, a 5 MP camera is present without a front-facing flash, rounding out a straightforward dual-camera setup suited to basic photo and video needs.

Audio:

has aptX
has aptX HD
has LDAC
has aptX Low Latency
has aptX Adaptive
has aptX Lossless
has stereo speakers
has a socket for a 3.5 mm audio jack
Has a radio

On the audio side, the Tab 20 Wi-Fi is equipped with stereo speakers and a 3.5 mm headphone jack, covering the essentials for both built-in listening and wired headphone use. It does not include a radio, and none of the Bluetooth audio codecs — aptX, aptX HD, aptX Low Latency, aptX Adaptive, aptX Lossless, or LDAC — are supported.

Battery:

battery power 6000 mAh
Supports fast charging
has wireless charging
has a battery level indicator
has a rechargeable battery
has a removable battery

The Tab 20 Wi-Fi houses a 6000 mAh rechargeable battery with a built-in battery level indicator to keep track of remaining charge. The battery is non-removable and does not support fast charging or wireless charging.

Connectivity & Features:

Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
has Mail Privacy Protection
has on-device machine learning
has clipboard warnings
has location privacy options
has camera/microphone privacy options
can block app tracking
blocks cross-site tracking
supports split screen
has Live Text
has notification permissions
has full-page screenshots
has Quick Start
has theme customization
has Wi-Fi password sharing
has PiP
Can play games while they download
has an extra dim mode
can offload apps
has focus modes
has media picker
has dynamic theming
has dark mode
has battery health check
Has USB Type-C
has a cellular module
has 5G support
is a multi-user system
gets direct OS updates
has GPS
has a child lock
has an HDMI output
has NFC
Has a fingerprint scanner
USB version 2
Supports widgets
Bluetooth version 5
has a gyroscope
Is free and open source
Has offline voice recognition
has a compass
supports Wi-Fi
Has sharing intents
Has customizable notifications
Uses 3D facial recognition
supports Galileo
Has a barometer
has an accelerometer
has voice commands
Has an iris scanner
Has a built-in projector
supports Ethernet
Has an infrared sensor
Tracks the current position of a mobile device

The Tab 20 Wi-Fi connects wirelessly via Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac) alongside Bluetooth 5.0, and uses a USB Type-C port running USB 2.0 for wired connectivity; HDMI output, NFC, Ethernet, and a cellular module are not included, meaning there is no 5G support either. For positioning, it features GPS with Galileo support and an accelerometer, while a gyroscope, compass, barometer, and infrared sensor are absent. On the software side, the tablet supports a broad set of Android features including dark mode, dynamic theming, theme customization, split-screen multitasking, Picture-in-Picture, widgets, full-page screenshots, a media picker, customizable notifications, notification controls, offline voice recognition, voice commands, and the ability to play games while downloading. Privacy options cover location controls, camera and microphone access management, clipboard warnings, and app tracking blocking, though cross-site tracking blocking, Mail Privacy Protection, and Wi-Fi password sharing are not available. Additional capabilities include on-device machine learning, multi-user support, a child lock, battery health check, app offloading, extra dim mode, device position tracking, and sharing intents, while Quick Start, focus modes, direct OS vendor updates, a fingerprint scanner, and 3D facial recognition are not supported.

Miscellaneous:

DDR memory version 4

The Tab 20 Wi-Fi uses DDR4 memory, representing the generation of RAM architecture employed by the device.

Final Verdict

The Blackview Tab 20 Wi-Fi is a straightforward Android 15 tablet that targets casual, everyday users rather than demanding power users. Its most practical strengths lie in its 6000 mAh battery paired with expandable storage up to 2 TB, making it a dependable companion for media consumption and shared household use without worrying too much about running out of power or space. That said, the modest display resolution, entry-level chipset, limited RAM, and absence of fast charging or biometric security define clear boundaries for what this device can comfortably handle. For users whose needs center around light content consumption, family-friendly features, and basic daily tasks, the Tab 20 Wi-Fi delivers on its core promise — but anyone expecting sharper visuals, snappy performance under load, or advanced security features will quickly find its ceiling.

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