review of the Teclast T20: tablet with fast charging and powerful 10-core processor

Flagship device from the Chinese manufacturer Teclast has gone on sale in the fall of 2018. Tablet with the function of fast charging and powerful 10-core processor differs impressive size and has the perfect balance between performance, autonomy and the possibility of simultaneous connection of two SIM-cards.

Buy tablet Teclast T20 in the online shop GearBest.

Model Teclast T20 4G works for a long time and is able to smoothly operate in a stable multitasking.

A practical device is based on Android and combines the latest engineering developments, including a powerful processor, enhanced 2K display, fingerprint scanner on the rear panel and advanced functionality. Tablet successfully replace the device, but for making calls it is better to use a suitable font.

Technical characteristics of the tablet Teclast T20 4G:

  • Screen: IPS, 2560 x 1600, 10.1 inches, capacitive multi-touch (10 touch points), Sharp (OGS display, oleophobic coating);
  • CPU: MediaTek Helio X27 (MT6797X) 10 cores with a maximum clock frequency of 2.6 GHz;
  • Graphics accelerator: ARM Mali-T880;
  • memory: 4 GB;
  • Built-in memory: 64 GB;
  • memory card Support: up to 256 GB (theSD card is not included);
  • Operating system: Android 7.0 Nougat
  • Interfaces: Dual-band (2.4 GHz / 5.0 GHz) wireless Wi-Fi (802.11 b/g/n/ac), Bluetooth: 4.0;
  • Call: support 4G LTE FDD-LTE, GSM, TD-SCDMA, TDD-LTE, WCDMA;
  • Slots SIM: slot for TF card and nano SIM card;
  • Camera: front — 13 MP main — 13 MP, Samsung sensor, f/2.0 aperture;
  • Navigacija: GPS;
  • Sensors: proximity, light, gravity, Accelerometer;
  • Optional: voice calls, alarm clock, 3.5 mm headset Jack, flashlight, gravity sensing, fingerprint scanner, OTG, fast charging (USB-C);
  • Battery: 8100 mAh (6 hours video playback);
  • dimensions: 239 x 166.9 mm x 7.5 mm;
  • Weight: 504 grams.
  • Available colors: silver.


The tablet is Packed in the original box made of cardboard. With him included are the manual, charger white color with auxiliary cable (USB-A) and metal clip for comfortable extraction of the SIM card.

appearance and ergonomics.

Visually the tablet is not much different from its predecessor — models T10. New device made in the classical form of thin monoblock with rounded lateral ends. Silver case with oleophobic coating made of aluminum alloy, while the front is protected by a durable glass Gorilla glass. On the side faces of the unit headphone (3.5 mm) and two foreign SIM cards (nano and TF size).

When a relatively thin upper body frame is broad enough edges for a comfortable grip. On the top side you can find buttons to turn on and adjust the volume, as well as a USB-C charging port without plugs. The side on the left side there are slots for SIM card and the bars of one of the two speakers.


The display is a record of 10.1 inches with a resolution of 2560×1600 pixels. Through laminating the front surface for it does not leave fingerprints. Screen from Panasonic has an anti-glare coating and allows you to adjust the lighting by itself. Of the basic modes available "Reading", "Eye Care" or automatic selection depending on the power flow of light. In my opinion the possibility of custom settings is a little limited.

At the highest brightness, the image looks rather dull. It is noteworthy that high resolution may slightly affect performance (FPS) of the device when working with demanding games on high settings and voracious applications.

OS and interface.

The device runs on the Android operating system 7.0 Nougat quickly and smoothly. To understand with user-friendly interface is easy for even the beginner. On the back side is a scanner for fingerprints, allowing to put a lock on not only the entire apparatus, but also on each individual application.

It is worth noting that in our country the updates of the latest OS versions is not yet available, but the manufacturers promise to solve the issue soon.


10-core processor with a clock frequency of 2.6 GHz overclocking allows you to effectively manage different types of workloads. Thanks DECA-core MediaTek Helio X27 three processor clusters, and equipping of RAM in a 4 GB machine can easily handle heavy applications and the most demanding games on medium settings.

T20 tablet from Teclast, the company gives a bright juicy picture with a high degree of detail and smoother gameplay without any spikes and overheating of the filling due to the improved performance by 30% and graphics Mali-T880MP4 with a frequency of 875 MHz.

With a battery with a capacity of 8100 mAh, can continuously play video for 6 hours. 64 GB of internal memory is more than enough for storing personal data, including photos, videos and applications. If necessary, you can expand the memory by inserting a micro-SD card.

The device is equipped with dual-band Wi-Fi to provide highest level of signal. Quick Internet is also possible thanks to the support dual 3G and 4G LTE within the range of the wireless network. Data exchange and connection to other technical gadgets via Bluetooth 4.0 or USB Type-C, which tablet charged much faster than the previous flagship version.


The device is equipped with two wide angle cameras at 13 MP with f/2.0 aperture — the front and back. The capabilities of the device increased due to the use of autofocus and HDR mode. With these parameters the users can comfortably communicate with friends and family using video, to do good quality pictures and make video.

However, to use the camera located on the rear panel is not very convenient due to the relatively heavy weight and large size of the device. For these purposes it is better to use compact or full-fledged smartphone camera.


Thanks to the amplifier AW8736 you will appreciate the sound quality of good headphones, but speakers are positioned on two diametrically opposite sides of the tablet transfer mediocre sound. For free it is not so critical, since many use it for work.


  • the Device is practically not heated, even at high load;
  • clear and Deep color;
  • The presence of two SIM-cards;
  • Support for 4G LTE networks.


  • the Disadvantage of using the main camera;
  • is Not too high brightness;
  • a Decrease in FPS when playing on high settings in demanding games.

Order tablet Teclast T20 in the online shop GearBest.

Summarizing. Model features outstanding technical properties at the right price. This is a good device for high-speed Internet surfing and entertainment in the middle price segment. With it, you can comfortable to watch videos or play modern games on medium settings with no sagging frames.

And thanks to multitasking you will be able to work simultaneously in multiple programs, while leaving the browser tabs open. Technically tablet can be compared with the increase in the size of tabletop due to the possibility to make voice calls.

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