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Teclast T40 Plus: Affordable LTE tablet in review

10 Inch with Android. With a particularly low price, Teclast wants to position the T40 Plus as a tablet for simple daily applications. Thanks to LTE, this is also possible without a domestic WLAN and the installed hardware seems suitable for this. However, we will clarify what is actually offered in our review.
Mike Wobker, 👁 Daniel Schmidt, Brian Burriston (translated by DeepL / Ninh Duy), 🇩🇪 🇳🇱 ...
Teclast T40 Plus

Teclast has already appeared frequently in our news and with hands-on tests of the Teclast M40 and Teclast P20HD we could already get an impression of the manufacturer's quality. With the Teclast T40 Plus, a tablet is now offered that could be an alternative to other inexpensive devices thanks to LTE and a price of approximately 200 Euros (~$232).

Teclast T40 Plus (T Series)
Processor
UNISOC T618 8 x 2 - 2 GHz, Cortex-A75 / A55
Graphics adapter
Memory
8192 MB 
Display
10.40 inch 5:3, 2000 x 1200 pixel 224 PPI, capacitive, IPS, glossy: yes, 60 Hz
Storage
128 GB eMMC Flash, 128 GB 
, 112 GB free
Connections
1 USB 2.0, USB-C Power Delivery (PD), Audio Connections: combined audio jack, Card Reader: microSD (FAT, FAT32, exFAT), Sensors: accelerometer
Networking
802.11 a/b/g/n/ac (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5), Bluetooth 5.0, GSM 2G (850/900/1800/1900 MHz), UMTS 3G (B1/B2/B5/B19), LTE 4G FDD/TDD (B1/B2/B3/B5/B8/B20/B38/B39/B40/B41), Dual SIM, LTE, GPS
Size
height x width x depth (in mm): 10 x 248 x 157 ( = 0.39 x 9.76 x 6.18 in)
Battery
6600 mAh Lithium-Ion
Operating System
Android 11
Camera
Primary Camera: 8 MPix
Secondary Camera: 5 MPix
Additional features
Speakers: quad, Keyboard: onscreen, Keyboard Light: yes, power supply, usb-c-cable, sim-needle, cover, 12 Months Warranty, GPS, A-GPS, GLONASS, BeiDou, Galileo , fanless
Weight
455 g ( = 16.05 oz / 1 pounds), Power Supply: 71 g ( = 2.5 oz / 0.16 pounds)
Price
200 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Possible competitors in comparison

Rating
Date
Model
Weight
Height
Size
Resolution
Best Price
79.9 %
11/2021
Teclast T40 Plus
T618, Mali-G52 MP2
455 g10 mm10.40"2000x1200
83.4 %
10/2021
Lenovo Yoga Tab 11
Helio G90T, Mali-G76 MP4
655 g7.9 mm11.00"2000x1200
74.3 %
09/2021
Blackview Tab 10
Helio MT8768, PowerVR GE8320
523 g8.4 mm10.10"1920x1080
81.7 %
11/2020
Samsung Galaxy Tab A7 10.4 (2020)
SD 662, Adreno 610
477 g7 mm10.40"2000x1200

Case - aluminum tablet with plastic part

Teclast manufactures the casing of the T40 Plus from an aluminum alloy and plastic, which makes the device look comparatively high-quality. On the back, the different materials stand out from each other with different colors, but the transitions are even. Overall, the build quality is good.

However, the camera sensor on the back of our test model was not centered under the lens, which had negative consequences for the picture quality. However, we cannot judge whether this defect occurs more often.

In the pictures provided by the manufacturer, the bezel around the display looks a bit narrower than it actually is. The tablet is also thicker than it appears in the pictures. However, the actual dimensions correspond to those of other devices in this price range and with only 455 grams (~16 oz), the Android tablet is comparatively light.

Size comparison

256.8 mm / 10.1 inch 169 mm / 6.65 inch 7.9 mm / 0.311 inch 655 g1.444 lbs248 mm / 9.76 inch 157 mm / 6.18 inch 10 mm / 0.3937 inch 455 g1.003 lbs247.6 mm / 9.75 inch 157.4 mm / 6.2 inch 7 mm / 0.2756 inch 477 g1.052 lbs243 mm / 9.57 inch 162 mm / 6.38 inch 8.4 mm / 0.3307 inch 523 g1.153 lbs

Features - jack and microSD

The Teclast T40 Plus is equipped with a 3.5 mm jack and a USB-C port with USB 2.0 standard. This is OTG-capable, so it can charge connected devices and also provides connected mass storage as a drive.

Extras like a notification LED or an infrared port are not available. The Camera2 API is available with Limited. NFC, a radio receiver and DRM Widevine L1 were omitted.

Left side: USB-C 2.0, NaniSIM/microSD slot, power button
Left side: USB-C 2.0, NaniSIM/microSD slot, power button
Top: microphone, volume control, 2x speakers
Top: microphone, volume control, 2x speakers
Right side: 3.5 mm jack connector
Right side: 3.5 mm jack connector
Bottom: 2x speakers
Bottom: 2x speakers

microSD card reader

A microSD card reader is installed in the T40 Plus, which only achieves a low speed of 26.36 MB/s when copying data with our reference memory card AV Pro V60. When a microSD card is inserted, it also blocks the second NanoSIM slot.

SD Card Reader - average JPG Copy Test (av. of 3 runs)
Teclast T40 Plus
Mali-G52 MP2, T618, 128 GB eMMC Flash (Angelbird AV Pro V60)
26.36 MB/s ∼100%
Lenovo Yoga Tab 11
Mali-G76 MP4, Helio G90T, 256 GB UFS 2.1 Flash (Angelbird V60)
22 MB/s ∼83% -17%

Cross Platform Disk Test (CPDT)

05101520253035404550556065707580Tooltip
; Sequential write; Angelbird AV Pro V60: Ø31.3 (10.5-43.1)
; Sequential read; Angelbird AV Pro V60: Ø75.4 (50.3-84.3)

Software - Pure Android

The Teclast T40 Plus runs a pure Android-11 system. Accordingly, no third-party apps or programs from the manufacturer are installed.

The security updates were up to April 5, 2021 at the time of the test. It is not possible to say how regularly they will be released.

Software Teclast T40 Plus
Software Teclast T40 Plus
Software Teclast T40 Plus
Software Teclast T40 Plus
Software Teclast T40 Plus
Software Teclast T40 Plus

Communication and GNSS - On the move with LTE and WiFi 5

Teclast's tablet can establish mobile connections via GSM, 3G and LTE. The installed SoC supports LTE up to Cat.7 in the downstream and Cat. 4 in the upstream, which enables speeds of up to 300 MBit/s (download) and 50 MBit/s (upload). VoLTE can also be used, which means that the tablet is also suitable for making calls.

Bluetooth 5.0 and WiFi 5 can be used for wireless connections in close range. With our reference router Netgear Nighthawk AX12, we achieved speeds of 305 MBit/s during transmission and 327 MBit/s during data reception. Thus, the Teclast T40 Plus is on par with our test field.

Networking
iperf3 Client (transmit) 1 m 4M x10 Netgear AX12
Samsung Galaxy Tab A7 10.4 (2020)
Adreno 610, SD 662, 32 GB eMMC Flash
332 (310min - 353max) MBit/s ∼100% +9%
Blackview Tab 10
PowerVR GE8320, Helio MT8768, 64 GB eMMC Flash
309 MBit/s ∼93% +1%
Teclast T40 Plus
Mali-G52 MP2, T618, 128 GB eMMC Flash
305 (97min - 372max) MBit/s ∼92%
Lenovo Yoga Tab 11
Mali-G76 MP4, Helio G90T, 256 GB UFS 2.1 Flash
140 (55min - 209max) MBit/s ∼42% -54%
iperf3 Client (receive) 1 m 4M x10 Netgear AX12
Blackview Tab 10
PowerVR GE8320, Helio MT8768, 64 GB eMMC Flash
355 MBit/s ∼100% +9%
Samsung Galaxy Tab A7 10.4 (2020)
Adreno 610, SD 662, 32 GB eMMC Flash
329 (323min - 333max) MBit/s ∼93% +1%
Teclast T40 Plus
Mali-G52 MP2, T618, 128 GB eMMC Flash
327 (311min - 331max) MBit/s ∼92%
Lenovo Yoga Tab 11
Mali-G76 MP4, Helio G90T, 256 GB UFS 2.1 Flash
141 (83min - 201max) MBit/s ∼40% -57%
020406080100120140160180200220240260280300320340360Tooltip
Teclast T40 Plus UNISOC T618, ARM Mali-G52 MP2; iperf3 Client (receive) 1 m 4M x10 Netgear AX12; iperf 3.1.3: Ø326 (311-331)
Samsung Galaxy Tab A7 10.4 (2020) Qualcomm Snapdragon 662, Qualcomm Adreno 610; iperf3 Client (receive) 1 m 4M x10 Netgear AX12; iperf 3.1.3: Ø329 (323-333)
Teclast T40 Plus UNISOC T618, ARM Mali-G52 MP2; iperf3 Client (transmit) 1 m 4M x10 Netgear AX12; iperf 3.1.3: Ø306 (97-372)
Samsung Galaxy Tab A7 10.4 (2020) Qualcomm Snapdragon 662, Qualcomm Adreno 610; iperf3 Client (transmit) 1 m 4M x10 Netgear AX12; iperf 3.1.3: Ø332 (310-353)
GPS test in the interior
GPS test in the interior
Outdoor GPS test
Outdoor GPS test

The T40 Plus can determine its location outdoors to a very good value of up to two meters (~6.6 feet) with the "GPS Test" app.

On our obligatory bike tour, the Teclast tablet only shows inaccuracies in curves and also a clear outlier when going around the lake. It is nevertheless suitable for navigation tasks.

Teclast T40 Plus - GNSS (summary)
Teclast T40 Plus - GNSS (summary)
Teclast T40 Plus - GNSS (around the lake)
Teclast T40 Plus - GNSS (around the lake)
Teclast T40 Plus - GNSS (Turnpoint)
Teclast T40 Plus - GNSS (Turnpoint)

Cameras - sensor not quite centered

Front camera recording
Front camera recording

Teclast equips the T40 Plus with an 8 MP main camera and a 5 MP front-facing camera. The latter takes portrait pictures that show weak contrast and look too dark and blurry even in very good light. The main camera shows our test subject with pale colors and a moderate level of detail. The black scattering on the right side of the picture is caused by the camera sensor, which is not located centrally behind the lens in our test model. Our panorama shot also shows that the camera does not cope well with uneven lighting conditions. When zooming in, subjects look muddy and practically nothing is visible in the low-light image. Apart from the option to switch on an HDR mode, no other adjustments can be made to the image quality.

Video recordings show a similar quality as our test photos. The main camera supports 480p, 720p and 1080p resolutions, and the front camera 480p and 720p. There is no information about the fps, nor are there any manual settings.

Image Comparison

Choose a scene and navigate within the first image. One click changes the position on touchscreens. One click on the zoomed-in image opens the original in a new window. The first image shows the scaled photograph of the test device.

Close-upPanoramaZoom (4x)Low Light
click to load images

Under controlled lighting conditions, the Teclast T40 Plus records the ColorChecker passport too brightly. The test chart also clearly shows contrast weaknesses in the corners, whereby the right side in the picture is again affected by the crooked camera lens.

ColorChecker
10.5 ∆E
12.6 ∆E
14 ∆E
14.3 ∆E
13.4 ∆E
7 ∆E
12.2 ∆E
11.1 ∆E
14.3 ∆E
5.7 ∆E
11.1 ∆E
12.6 ∆E
4.8 ∆E
15.3 ∆E
14.9 ∆E
12.6 ∆E
11.9 ∆E
3.9 ∆E
2.9 ∆E
9 ∆E
13.6 ∆E
13 ∆E
5.2 ∆E
4.8 ∆E
ColorChecker Teclast T40 Plus: 10.45 ∆E min: 2.95 - max: 15.29 ∆E
ColorChecker
30.4 ∆E
55.7 ∆E
39.9 ∆E
35.7 ∆E
45.7 ∆E
62.8 ∆E
54.6 ∆E
35.3 ∆E
44.8 ∆E
28.6 ∆E
66.1 ∆E
65 ∆E
31.9 ∆E
48.6 ∆E
38.2 ∆E
77.1 ∆E
45 ∆E
42.5 ∆E
94.8 ∆E
71.8 ∆E
53 ∆E
37.5 ∆E
24.4 ∆E
13.9 ∆E
ColorChecker Teclast T40 Plus: 47.64 ∆E min: 13.95 - max: 94.84 ∆E

Accessories and warranty - cover included

The T40 Plus comes with a USB power adapter with a matching USB-C cable, a SIM needle, and a protection cover that can also be folded over the display and serve as a stand.

Teclast grants a warranty period of 12 months.

Input devices & operation - Good touchscreen

Google's GBoard is available for text input on the T40 Plus. The touchscreen responds very well to touches and is also suitable for extensive swipe movements. Switching from portrait to landscape mode is also quick.

Teclast T40 Plus - Keyboard
Teclast T40 Plus - Keyboard
Teclast T40 Plus - Keyboard
Teclast T40 Plus - Keyboard

Display - Bright and flicker-free

Subpixel
Subpixel

The screen of the Teclast T40 Plus consists of a 10.4-inch IPS panel and offers a resolution of 2000 x 1200 pixels. A brightness sensor is not present.

The maximum adjustable brightness is on a high level with an average of 486 cd/m². The illumination of 92 percent is also very good. We measured a maximum of 477 cd/m² in the APL50 test and the lowest possible brightness level is quite high at 39.9 cd/m².

The brightness control does not rely on the use of PWM.

481
cd/m²
485
cd/m²
463
cd/m²
502
cd/m²
496
cd/m²
474
cd/m²
504
cd/m²
499
cd/m²
473
cd/m²
Distribution of brightness
X-Rite i1Pro 3
Maximum: 504 cd/m² (Nits) Average: 486.3 cd/m² Minimum: 39.9 cd/m²
Brightness Distribution: 92 %
Center on Battery: 496 cd/m²
Contrast: 1240:1 (Black: 0.4 cd/m²)
ΔE Color 3.1 | 0.59-29.43 Ø5.4
ΔE Greyscale 5.1 | 0.64-98 Ø5.6
96.6% sRGB (Calman 2D)
Gamma: 2.33
Teclast T40 Plus
IPS, 2000x1200, 10.40
Lenovo Yoga Tab 11
IPS LCD, 2000x1200, 11.00
Blackview Tab 10
IPS, 1920x1080, 10.10
Samsung Galaxy Tab A7 10.4 (2020)
TFT-LCD, 2000x1200, 10.40
Screen
-6%
-68%
-9%
Brightness middle
496
380
-23%
467
-6%
365
-26%
Brightness
486
376
-23%
445
-8%
337
-31%
Brightness Distribution
92
89
-3%
89
-3%
82
-11%
Black Level *
0.4
0.24
40%
0.66
-65%
0.26
35%
Contrast
1240
1583
28%
708
-43%
1404
13%
Colorchecker dE 2000 *
3.1
4.61
-49%
9.9
-219%
4.5
-45%
Colorchecker dE 2000 max. *
7.6
8.77
-15%
15.66
-106%
7.8
-3%
Greyscale dE 2000 *
5.1
5.1
-0%
9.9
-94%
5.3
-4%
Gamma
2.33 94%
2.248 98%
1.72 128%
2.12 104%
CCT
6819 95%
7966 82%
9142 71%
7702 84%

* ... smaller is better

Screen Flickering / PWM (Pulse-Width Modulation)

To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM not detected

In comparison: 52 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 21941 (minimum: 5 - maximum: 3846000) Hz was measured.

The settings menu of the T40 Plus allows you to adjust colors and contrast manually or have them regulated automatically. With the "Automatic contrast" setting and the "Warm" color profile, colors are displayed with an only slightly increased DeltaE-2000 deviation of 5.1.

CalMAN - Color Fidelity (Automatic, Warm, sRGB)
CalMAN - Color Fidelity (Automatic, Warm, sRGB)
CalMAN - Color Space (Automatic, Warm, sRGB)
CalMAN - Color Space (Automatic, Warm, sRGB)
CalMAN - Grayscale (Automatic, Warm, sRGB)
CalMAN - Grayscale (Automatic, Warm, sRGB)
CalMAN - Saturation (Automatic, Warm, sRGB)
CalMAN - Saturation (Automatic, Warm, sRGB)

Display Response Times

Display response times show how fast the screen is able to change from one color to the next. Slow response times can lead to afterimages and can cause moving objects to appear blurry (ghosting). Gamers of fast-paced 3D titles should pay special attention to fast response times.
       Response Time Black to White
19.2 ms ... rise ↗ and fall ↘ combined↗ 8.4 ms rise
↘ 10.8 ms fall
The screen shows good response rates in our tests, but may be too slow for competitive gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 28 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (23.4 ms).
       Response Time 50% Grey to 80% Grey
41.2 ms ... rise ↗ and fall ↘ combined↗ 21.2 ms rise
↘ 20 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.692 (minimum) to 636 (maximum) ms. » 56 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (37 ms).

The high display brightness makes the Teclast T40 Plus quite suitable for outdoor use. However, depending on the environment, annoying reflections and glare might occur.

Teclast T40 Plus - Outdoor use
Teclast T40 Plus - Outdoor use
Teclast T40 Plus - Outdoor use
Teclast T40 Plus - Outdoor use

The IPS panel of the T40 Plus is very viewing angle stable. Thus, content can be viewed even from flat angles without being distorted or displayed with distorted colors.

Viewing angle stability
Viewing angle stability
Viewing angle stability
Viewing angle stability

Performance - Simple Android tablet

The Teclast T40 Plus is equipped with a UNISOC Tiger T618 and 8 GB of RAM take care of the system operation. The T618 is an older SoC from 2019 and can smoothly render the system as well as simple everyday applications. For graphical content, the internal GPU ARM Mali-G52 MP2 is responsible.

In the benchmarks, the system performance of the T40 Plus is on par with the Qualcomm Snapdragon 662 in the Samsung Galaxy Tab A7 LTE. In return, the graphics performance is slightly better in the Teclast tablet, but it cannot compete with, for example, the Lenovo Yoga Tab 11. Overall, the performance is appropriate for the price range.

Geekbench 5.3
64 Bit Single-Core Score
Average of class Tablet (133 - 1719, n=47, last 2 years)
679 Points ∼33% +77%
Lenovo Yoga Tab 11
483 Points ∼24% +26%
Teclast T40 Plus
384 Points ∼19%
Average UNISOC T618 (365 - 393, n=5)
382 Points ∼19% -1%
Samsung Galaxy Tab A7 10.4 (2020)
316 Points ∼15% -18%
Blackview Tab 10
152 Points ∼7% -60%
64 Bit Multi-Core Score
Average of class Tablet (455 - 7378, n=47, last 2 years)
2308 Points ∼8% +76%
Lenovo Yoga Tab 11
1593 Points ∼6% +22%
Samsung Galaxy Tab A7 10.4 (2020)
1381 Points ∼5% +6%
Average UNISOC T618 (1229 - 1461, n=5)
1329 Points ∼5% +2%
Teclast T40 Plus
1309 Points ∼5%
Blackview Tab 10
780 Points ∼3% -40%
PCMark for Android
Work 3.0
Average of class Tablet (4564 - 13996, n=23, last 2 years)
9035 Points ∼49% +7%
Lenovo Yoga Tab 11
8435 Points ∼45% 0%
Teclast T40 Plus
8414 Points ∼45%
Average UNISOC T618 (7447 - 8414, n=4)
8125 Points ∼44% -3%
Blackview Tab 10
4564 Points ∼25% -46%
Work 2.0 performance score
Average of class Tablet (4454 - 12603, n=23, last 2 years)
6904 Points ∼45%
Samsung Galaxy Tab A7 10.4 (2020)
6193 Points ∼40%
Average UNISOC T618 (82 - 6937, n=2)
3510 Points ∼23%
3DMark
2560x1440 Sling Shot OpenGL ES 3.0
Lenovo Yoga Tab 11
3294 Points ∼29% +52%
Average of class Tablet (504 - 9238, n=30, last 2 years)
2611 Points ∼23% +21%
Teclast T40 Plus
2163 Points ∼19%
Average UNISOC T618 (2084 - 2219, n=5)
2158 Points ∼19% 0%
Samsung Galaxy Tab A7 10.4 (2020)
1858 Points ∼17% -14%
Blackview Tab 10
699 Points ∼6% -68%
2560x1440 Sling Shot OpenGL ES 3.0 Graphics
Lenovo Yoga Tab 11
3343 Points ∼20% +65%
Average of class Tablet (453 - 14283, n=30, last 2 years)
3112 Points ∼19% +53%
Teclast T40 Plus
2028 Points ∼12%
Average UNISOC T618 (1958 - 2065, n=5)
2016 Points ∼12% -1%
Samsung Galaxy Tab A7 10.4 (2020)
1729 Points ∼10% -15%
Blackview Tab 10
630 Points ∼4% -69%
2560x1440 Sling Shot OpenGL ES 3.0 Physics
Lenovo Yoga Tab 11
3238 Points ∼60% +15%
Teclast T40 Plus
2822 Points ∼52%
Average UNISOC T618 (2601 - 3002, n=5)
2793 Points ∼52% -1%
Samsung Galaxy Tab A7 10.4 (2020)
2517 Points ∼46% -11%
Average of class Tablet (674 - 4482, n=30, last 2 years)
2369 Points ∼44% -16%
Blackview Tab 10
1136 Points ∼21% -60%
2560x1440 Sling Shot OpenGL ES 3.0 Unlimited
Average of class Tablet (527 - 13682, n=40, last 2 years)
4427 Points ∼26% +103%
Lenovo Yoga Tab 11
3122 Points ∼19% +43%
Teclast T40 Plus
2185 Points ∼13%
Average UNISOC T618 (2105 - 2228, n=5)
2160 Points ∼13% -1%
Samsung Galaxy Tab A7 10.4 (2020)
1906 Points ∼11% -13%
Blackview Tab 10
835 Points ∼5% -62%
2560x1440 Sling Shot OpenGL ES 3.0 Unlimited Graphics
Average of class Tablet (475 - 42751, n=40, last 2 years)
7668 Points ∼18% +277%
Lenovo Yoga Tab 11
3055 Points ∼7% +50%
Teclast T40 Plus
2033 Points ∼5%
Average UNISOC T618 (1957 - 2056, n=5)
2016 Points ∼5% -1%
Samsung Galaxy Tab A7 10.4 (2020)
1790 Points ∼4% -12%
Blackview Tab 10
774 Points ∼2% -62%
2560x1440 Sling Shot OpenGL ES 3.0 Unlimited Physics
Lenovo Yoga Tab 11
3346 Points ∼49% +13%
Teclast T40 Plus
2961 Points ∼43%
Average UNISOC T618 (2611 - 3148, n=5)
2910 Points ∼42% -2%
Average of class Tablet (806 - 5623, n=40, last 2 years)
2866 Points ∼42% -3%
Samsung Galaxy Tab A7 10.4 (2020)
2466 Points ∼36% -17%
Blackview Tab 10
1152 Points ∼17% -61%
2560x1440 Sling Shot Extreme (ES 3.1)
Lenovo Yoga Tab 11
2503 Points ∼12% +70%
Average of class Tablet (281 - 7098, n=30, last 2 years)
1897 Points ∼9% +29%
Teclast T40 Plus
1471 Points ∼7%
Average UNISOC T618 (1425 - 1492, n=5)
1457 Points ∼7% -1%
Samsung Galaxy Tab A7 10.4 (2020)
1176 Points ∼6% -20%
Blackview Tab 10
411 Points ∼2% -72%
2560x1440 Sling Shot Extreme (ES 3.1) Graphics
Lenovo Yoga Tab 11
2374 Points ∼21% +84%
Average of class Tablet (236 - 9612, n=31, last 2 years)
1970 Points ∼17% +53%
Teclast T40 Plus
1291 Points ∼11%
Average UNISOC T618 (1252 - 1303, n=5)
1282 Points ∼11% -1%
Samsung Galaxy Tab A7 10.4 (2020)
1022 Points ∼9% -21%
Blackview Tab 10
348 Points ∼3% -73%
2560x1440 Sling Shot Extreme (ES 3.1) Physics
Lenovo Yoga Tab 11
3192 Points ∼54% +11%
Teclast T40 Plus
2866 Points ∼49%
Average UNISOC T618 (2643 - 3035, n=5)
2819 Points ∼48% -2%
Samsung Galaxy Tab A7 10.4 (2020)
2497 Points ∼42% -13%
Average of class Tablet (369 - 4201, n=31, last 2 years)
2369 Points ∼40% -17%
Blackview Tab 10
1130 Points ∼19% -61%
2560x1440 Sling Shot Extreme (ES 3.1) Unlimited
Average of class Tablet (305 - 9630, n=42, last 2 years)
3570 Points ∼31% +134%
Lenovo Yoga Tab 11
2609 Points ∼23% +71%
Teclast T40 Plus
1526 Points ∼13%
Average UNISOC T618 (1463 - 1569, n=5)
1518 Points ∼13% -1%
Samsung Galaxy Tab A7 10.4 (2020)
1197 Points ∼10% -22%
Blackview Tab 10
495 Points ∼4% -68%
2560x1440 Sling Shot Extreme (ES 3.1) Unlimited Graphics
Average of class Tablet (258 - 25707, n=42, last 2 years)
4996 Points ∼19% +273%
Lenovo Yoga Tab 11
2476 Points ∼10% +85%
Teclast T40 Plus
1338 Points ∼5%
Average UNISOC T618 (1284 - 1369, n=5)
1336 Points ∼5% 0%
Samsung Galaxy Tab A7 10.4 (2020)
1043 Points ∼4% -22%
Blackview Tab 10
425 Points ∼2% -68%
2560x1440 Sling Shot Extreme (ES 3.1) Unlimited Physics
Lenovo Yoga Tab 11
3492 Points ∼44% +16%
Teclast T40 Plus
3002 Points ∼38%
Average UNISOC T618 (2526 - 3202, n=5)
2920 Points ∼37% -3%
Average of class Tablet (443 - 5634, n=42, last 2 years)
2874 Points ∼36% -4%
Samsung Galaxy Tab A7 10.4 (2020)
2471 Points ∼31% -18%
Blackview Tab 10
1171 Points ∼15% -61%
2560x1440 Sling Shot Extreme (Vulkan) Unlimited
Lenovo Yoga Tab 11
2681 Points ∼20% +74%
Average of class Tablet (469 - 6292, n=29, last 2 years)
1947 Points ∼14% +27%
Teclast T40 Plus
1538 Points ∼11%
Average UNISOC T618 (1463 - 1552, n=5)
1512 Points ∼11% -2%
Samsung Galaxy Tab A7 10.4 (2020)
1114 Points ∼8% -28%
2560x1440 Sling Shot Extreme (Vulkan) Unlimited Graphics
Average of class Tablet (400 - 25909, n=29, last 2 years)
2744 Points ∼10% +98%
Lenovo Yoga Tab 11
2537 Points ∼10% +83%
Teclast T40 Plus
1383 Points ∼5%
Average UNISOC T618 (1324 - 1385, n=5)
1359 Points ∼5% -2%
Samsung Galaxy Tab A7 10.4 (2020)
971 Points ∼4% -30%
2560x1440 Sling Shot Extreme (Vulkan) Unlimited Physics
Lenovo Yoga Tab 11
2738 Points ∼52% +8%
Teclast T40 Plus
2532 Points ∼48%
Average UNISOC T618 (2193 - 2685, n=5)
2475 Points ∼47% -2%
Samsung Galaxy Tab A7 10.4 (2020)
2302 Points ∼44% -9%
Average of class Tablet (230 - 3285, n=29, last 2 years)
2218 Points ∼42% -12%
Wild Life Score
Average of class Tablet (371 - 17263, n=28, last 2 years)
4750 Points ∼4% +568%
Lenovo Yoga Tab 11
1363 Points ∼1% +92%
Teclast T40 Plus
711 Points ∼1%
Average UNISOC T618 (693 - 712, n=4)
706 Points ∼1% -1%
Samsung Galaxy Tab A7 10.4 (2020)
371 Points ∼0% -48%
Wild Life Unlimited Score
Average of class Tablet (366 - 18326, n=26, last 2 years)
5581 Points ∼5% +684%
Lenovo Yoga Tab 11
1371 Points ∼1% +93%
Teclast T40 Plus
712 Points ∼1%
Average UNISOC T618 (694 - 712, n=4)
706 Points ∼1% -1%
Samsung Galaxy Tab A7 10.4 (2020)
Points ∼0% -100%
Wild Life Extreme
Average of class Tablet (135 - 5035, n=24, last 2 years)
1627 Points ∼3% +779%
Lenovo Yoga Tab 11
372 Points ∼1% +101%
Teclast T40 Plus
185 Points ∼0%
Average UNISOC T618 (182 - 185, n=3)
183.7 Points ∼0% -1%
Wild Life Extreme Unlimited
Average of class Tablet (132 - 4975, n=24, last 2 years)
1577 Points ∼3% +766%
Lenovo Yoga Tab 11
376 Points ∼1% +107%
Teclast T40 Plus
182 Points ∼0%
Average UNISOC T618 (179 - 182, n=3)
180.3 Points ∼0% -1%
GFXBench (DX / GLBenchmark) 2.7
T-Rex Onscreen
Average of class Tablet (19 - 120, n=41, last 2 years)
61.6 fps ∼2% +54%
Lenovo Yoga Tab 11
58 fps ∼2% +45%
Teclast T40 Plus
40 fps ∼1%
Average UNISOC T618 (37 - 42, n=5)
39.4 fps ∼1% -1%
Samsung Galaxy Tab A7 10.4 (2020)
33 fps ∼1% -17%
1920x1080 T-Rex Offscreen
Average of class Tablet (14 - 588, n=41, last 2 years)
163.9 fps ∼1% +281%
Lenovo Yoga Tab 11
79 fps ∼1% +84%
Teclast T40 Plus
43 fps ∼0%
Average UNISOC T618 (41 - 44, n=5)
42.4 fps ∼0% -1%
Samsung Galaxy Tab A7 10.4 (2020)
35 fps ∼0% -19%
GFXBench 3.0
on screen Manhattan Onscreen OGL
Average of class Tablet (9.4 - 120, n=40, last 2 years)
47 fps ∼13% +88%
Lenovo Yoga Tab 11
42 fps ∼12% +68%
Teclast T40 Plus
25 fps ∼7%
Average UNISOC T618 (22 - 25, n=5)
24.4 fps ∼7% -2%
Samsung Galaxy Tab A7 10.4 (2020)
18 fps ∼5% -28%
1920x1080 1080p Manhattan Offscreen
Average of class Tablet (6.9 - 345, n=41, last 2 years)
93.2 fps ∼7% +258%
Lenovo Yoga Tab 11
46 fps ∼4% +77%
Teclast T40 Plus
26 fps ∼2%
Average UNISOC T618 (26 - 26, n=5)
26 fps ∼2% 0%
Samsung Galaxy Tab A7 10.4 (2020)
19 fps ∼1% -27%
GFXBench 3.1
on screen Manhattan ES 3.1 Onscreen
Average of class Tablet (6.3 - 107, n=41, last 2 years)
33.8 fps ∼1% +125%
Lenovo Yoga Tab 11
26 fps ∼1% +73%
Teclast T40 Plus
15 fps ∼0%
Average UNISOC T618 (13 - 15, n=5)
14.6 fps ∼0% -3%
Samsung Galaxy Tab A7 10.4 (2020)
12 fps ∼0% -20%
1920x1080 Manhattan ES 3.1 Offscreen
Average of class Tablet (4.7 - 229, n=41, last 2 years)
63.7 fps ∼1% +325%
Lenovo Yoga Tab 11
29 fps ∼1% +93%
Average UNISOC T618 (15 - 16, n=5)
15.2 fps ∼0% +1%
Teclast T40 Plus
15 fps ∼0%
Samsung Galaxy Tab A7 10.4 (2020)
13 fps ∼0% -13%
GFXBench
on screen Car Chase Onscreen
Average of class Tablet (2.7 - 87, n=41, last 2 years)
23 fps ∼1% +177%
Lenovo Yoga Tab 11
16 fps ∼0% +93%
Average UNISOC T618 (8.1 - 9.2, n=5)
8.52 fps ∼0% +3%
Teclast T40 Plus
8.3 fps ∼0%
Samsung Galaxy Tab A7 10.4 (2020)
6.7 fps ∼0% -19%
1920x1080 Car Chase Offscreen
Average of class Tablet (2.1 - 153.5, n=41, last 2 years)
39.7 fps ∼0% +346%
Lenovo Yoga Tab 11
18 fps ∼0% +102%
Average UNISOC T618 (8.7 - 13, n=5)
9.86 fps ∼0% +11%
Teclast T40 Plus
8.9 fps ∼0%
Samsung Galaxy Tab A7 10.4 (2020)
7.2 fps ∼0% -19%
on screen Aztec Ruins High Tier Onscreen
Average of class Tablet (2 - 75, n=45, last 2 years)
16.4 fps ∼10% +173%
Lenovo Yoga Tab 11
10 fps ∼6% +67%
Teclast T40 Plus
6 fps ∼4%
Average UNISOC T618 (5.4 - 6.2, n=5)
5.92 fps ∼4% -1%
Samsung Galaxy Tab A7 10.4 (2020)
4.6 fps ∼3% -23%
Blackview Tab 10
2.2 fps ∼1% -63%
2560x1440 Aztec Ruins High Tier Offscreen
Average of class Tablet (0.87 - 70, n=45, last 2 years)
15.4 fps ∼5% +316%
Lenovo Yoga Tab 11
6.5 fps ∼2% +76%
Teclast T40 Plus
3.7 fps ∼1%
Average UNISOC T618 (3.6 - 3.7, n=5)
3.66 fps ∼1% -1%
Samsung Galaxy Tab A7 10.4 (2020)
2.9 fps ∼1% -22%
Blackview Tab 10
1.4 fps ∼0% -62%
on screen Aztec Ruins Normal Tier Onscreen
Average of class Tablet (3.2 - 102, n=45, last 2 years)
23.5 fps ∼11% +142%
Lenovo Yoga Tab 11
17 fps ∼8% +75%
Average UNISOC T618 (9.7 - 11, n=5)
10.1 fps ∼5% +4%
Teclast T40 Plus
9.7 fps ∼5%
Samsung Galaxy Tab A7 10.4 (2020)
7.8 fps ∼4% -20%
Blackview Tab 10
3.6 fps ∼2% -63%
1920x1080 Aztec Ruins Normal Tier Offscreen
Average of class Tablet (2.4 - 191, n=45, last 2 years)
41.1 fps ∼5% +311%
Lenovo Yoga Tab 11
19 fps ∼3% +90%
Teclast T40 Plus
10 fps ∼1%
Average UNISOC T618 (8.8 - 10, n=5)
9.76 fps ∼1% -2%
Samsung Galaxy Tab A7 10.4 (2020)
8.4 fps ∼1% -16%
Blackview Tab 10
3.9 fps ∼1% -61%
AnTuTu v8 - Total Score
Average of class Tablet (75328 - 1037960, n=21, last 2 years)
347401 Points ∼33% +81%
Teclast T40 Plus
192320 Points ∼19%
Average UNISOC T618 (173051 - 203961, n=3)
189777 Points ∼18% -1%
Samsung Galaxy Tab A7 10.4 (2020)
167471 Points ∼16% -13%
BaseMark OS II
Overall
Average of class Tablet (806 - 6908, n=28, last 2 years)
3418 Points ∼40% +62%
Lenovo Yoga Tab 11
2690 Points ∼32% +28%
Samsung Galaxy Tab A7 10.4 (2020)
2401 Points ∼28% +14%
Teclast T40 Plus
2107 Points ∼25%
Average UNISOC T618 (1839 - 2145, n=4)
2031 Points ∼24% -4%
System
Average of class Tablet (1492 - 10926, n=28, last 2 years)
6069 Points ∼31% +20%
Teclast T40 Plus
5061 Points ∼26%
Samsung Galaxy Tab A7 10.4 (2020)
4979 Points ∼25% -2%
Average UNISOC T618 (4403 - 5061, n=4)
4764 Points ∼24% -6%
Lenovo Yoga Tab 11
4193 Points ∼21% -17%
Memory
Average of class Tablet (675 - 8167, n=28, last 2 years)
3790 Points ∼42% +170%
Lenovo Yoga Tab 11
3765 Points ∼42% +168%
Samsung Galaxy Tab A7 10.4 (2020)
3209 Points ∼35% +129%
Average UNISOC T618 (970 - 1725, n=4)
1427 Points ∼16% +2%
Teclast T40 Plus
1404 Points ∼16%
Graphics
Average of class Tablet (542 - 22308, n=28, last 2 years)
6430 Points ∼22% +210%
Lenovo Yoga Tab 11
3694 Points ∼13% +78%
Teclast T40 Plus
2075 Points ∼7%
Average UNISOC T618 (1834 - 2075, n=4)
1993 Points ∼7% -4%
Samsung Galaxy Tab A7 10.4 (2020)
1857 Points ∼6% -11%
Web
Lenovo Yoga Tab 11
1353 Points ∼57% +1%
Teclast T40 Plus
1336 Points ∼56%
Average UNISOC T618 (1246 - 1336, n=4)
1307 Points ∼55% -2%
Average of class Tablet (730 - 1581, n=28, last 2 years)
1183 Points ∼49% -11%
Samsung Galaxy Tab A7 10.4 (2020)
1120 Points ∼47% -16%

Legend

 
Teclast T40 Plus UNISOC T618, ARM Mali-G52 MP2, 128 GB eMMC Flash
 
Lenovo Yoga Tab 11 Mediatek Helio G90T, ARM Mali-G76 MP4, 256 GB UFS 2.1 Flash
 
Blackview Tab 10 Mediatek MT8768, PowerVR GE8320, 64 GB eMMC Flash
 
Samsung Galaxy Tab A7 10.4 (2020) Qualcomm Snapdragon 662, Qualcomm Adreno 610, 32 GB eMMC Flash

The Teclast T40 Plus achieves a comparatively good result in the browser benchmarks and can take first place in our test field in WebXPRT 3 and Mozilla Kraken 1.1. In everyday use, websites are built quickly and scroll smoothly. Media content is also provided quickly.

JetStream 1.1 - Total Score
Average of class Tablet (22.1 - 436, n=41, last 2 years)
140.2 Points ∼100% +103%
Lenovo Yoga Tab 11 (Chrome93)
69.8 Points ∼50% +1%
Teclast T40 Plus (Chrome 95)
69.1 Points ∼49%
Average UNISOC T618 (63.2 - 75.3, n=4)
68.5 Points ∼49% -1%
Samsung Galaxy Tab A7 10.4 (2020) (Chrome 86.0.4240.185)
49.52 Points ∼35% -28%
WebXPRT 3 - ---
Average of class Tablet (24 - 254, n=42, last 2 years)
100.9 Points ∼100% +36%
Teclast T40 Plus (Chrome 95)
74 Points ∼73%
Average UNISOC T618 (68 - 76, n=5)
72.2 Points ∼72% -2%
Lenovo Yoga Tab 11 (Chrome93)
53 Points ∼53% -28%
Samsung Galaxy Tab A7 10.4 (2020) (Chrome 86.0.4240.185)
52 Points ∼52% -30%
Blackview Tab 10 (Chrome 93.0.4577.62)
33 Points ∼33% -55%
Octane V2 - Total Score
Average of class Tablet (3111 - 66974, n=40, last 2 years)
24616 Points ∼100% +84%
Lenovo Yoga Tab 11 (Chrome93)
15632 Points ∼64% +17%
Teclast T40 Plus (Chrome 95)
13348 Points ∼54%
Average UNISOC T618 (10787 - 14722, n=5)
12582 Points ∼51% -6%
Samsung Galaxy Tab A7 10.4 (2020) (Chrome 86.0.4240.185)
9737 Points ∼40% -27%
Mozilla Kraken 1.1 - Total Score
Blackview Tab 10 (Chrome 93.0.4577.62)
10760 ms * ∼100% -277%
Samsung Galaxy Tab A7 10.4 (2020) (Chrome 86.0.4240.185)
4498 ms * ∼42% -58%
Average of class Tablet (455 - 12972, n=43, last 2 years)
3981 ms * ∼37% -40%
Lenovo Yoga Tab 11 (Chrome93)
3782 ms * ∼35% -33%
Average UNISOC T618 (2762 - 3432, n=5)
2975 ms * ∼28% -4%
Teclast T40 Plus (Chrome 95)
2853 ms * ∼27%

* ... smaller is better

Teclast installs a 128 GB eMMC flash storage in the T40 Plus. This only offers low read and write rates, which is primarily reflected in slower access to stored data.

Teclast T40 PlusLenovo Yoga Tab 11Blackview Tab 10Samsung Galaxy Tab A7 10.4 (2020)Average 128 GB eMMC FlashAverage of class Tablet
AndroBench 3-5
451%
10%
166%
127%
342%
Sequential Read 256KB
151.1
503
233%
263.6
74%
298
97%
282 ?(106.7 - 501, n=52)
87%
685 ?(123.3 - 2031, n=39, last 2 years)
353%
Sequential Write 256KB
136.8
374.4
174%
135.3
-1%
89.9
-34%
191.9 ?(90 - 314, n=52)
40%
362 ?(67.4 - 1559, n=39, last 2 years)
165%
Random Read 4KB
29.24
136.8
368%
31.37
7%
82
180%
81.2 ?(10.1 - 247, n=52)
178%
118.6 ?(10.1 - 310, n=39, last 2 years)
306%
Random Write 4KB
16.12
182.2
1030%
9.4
-42%
83.6
419%
48.7 ?(5.3 - 159.9, n=52)
202%
103.8 ?(4.27 - 370, n=39, last 2 years)
544%

Emissions - Moderate temperatures and high volume

Temperature

According to our measurements, the surfaces of the T40 Plus heat up to 35.2 °C (~95 °F). Thus, the Android tablet only heats up moderately and can be held in the hand at any time, for example. The Wildlife endurance stress tests also show that the performance remains stable even under heavy load.

3DMark Wild Life Stress Test

012345678Tooltip
Teclast T40 Plus Mali-G52 MP2, T618, 128 GB eMMC Flash; Wild Life Stress Test Stability; 0.0.0.0: Ø4.27 (4.26-4.28)
Lenovo Yoga Tab 11 Mali-G76 MP4, Helio G90T, 256 GB UFS 2.1 Flash; Wild Life Stress Test Stability; 0.0.0.0: Ø8.09 (8.05-8.11)
Teclast T40 Plus Mali-G52 MP2, T618, 128 GB eMMC Flash; Wild Life Extreme Stress Test; 1.0.5.1: Ø1.105 (1.103-1.107)
Lenovo Yoga Tab 11 Mali-G76 MP4, Helio G90T, 256 GB UFS 2.1 Flash; Wild Life Extreme Stress Test; 1.0.5.1: Ø2.31 (2.29-2.31)
Max. Load
 33.2 °C
92 F
30 °C
86 F
34.5 °C
94 F
 
 35.2 °C
95 F
30.8 °C
87 F
34.4 °C
94 F
 
 33.9 °C
93 F
31.1 °C
88 F
34.4 °C
94 F
 
Maximum: 35.2 °C = 95 F
Average: 33.1 °C = 92 F
28.5 °C
83 F
30.6 °C
87 F
31.8 °C
89 F
28.1 °C
83 F
29.9 °C
86 F
32.8 °C
91 F
28.3 °C
83 F
29.3 °C
85 F
30.6 °C
87 F
Maximum: 32.8 °C = 91 F
Average: 30 °C = 86 F
Power Supply (max.)  33 °C = 91 F | Room Temperature 22 °C = 72 F | Fluke t3000FC (calibrated) & Voltcraft IR-260
(±) The average temperature for the upper side under maximal load is 33.1 °C / 92 F, compared to the average of 30.4 °C / 87 F for the devices in the class Tablet.
(+) The maximum temperature on the upper side is 35.2 °C / 95 F, compared to the average of 34.4 °C / 94 F, ranging from 22 to 53.2 °C for the class Tablet.
(+) The bottom heats up to a maximum of 32.8 °C / 91 F, compared to the average of 33.7 °C / 93 F
(+) In idle usage, the average temperature for the upper side is 30.3 °C / 87 F, compared to the device average of 30.4 °C / 87 F.
Thermal image - top side
Thermal image - top side
Thermal image - bottom side
Thermal image - bottom side

Speaker

The speakers of the Teclast T40 Plus can play relatively loud and offer a sound spectrum that is pronounced on the higher tones. Thus, they are suitable for playing voice content, but external speakers or headphones are recommended for more complex media content. These can be connected via the 3.5 mm jack, for example, which works with an acceptable signal-to-noise ratio of 64.52 dBFS.

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs203741.42525.642.53129.143.34023.445.45036.844.66328.4468024.849.710022.449.812519.250.316016.952.320015.654.125013.85631513.45640013.358.950013.863.16301264.480012.771.1100012.279.712501381160013.780.9200013.280.9250013.48131501383400013.385.6500013.685.4630013.381.8800013.882.31000013.777.9125001470.11600013.567.5SPL25.593.7N0.796.5median 13.5median 71.1Delta0.711.129.535.233.136.327.427.131.328.730.331.229.627.524.123.520.736.317.652.614.857.312.361.112.867.910.467.9969.211.372.814.471.117.1721470.910.471.49.474.510.67311.472.613.668.613.770.215.374.915.47616.668.117.661.417.360.717.653.926.384.20.765median 14median 69.22.85.4hearing rangehide median Pink NoiseTeclast T40 PlusLenovo Yoga Tab 11
Frequency diagram (checkboxes can be checked and unchecked to compare devices)
Teclast T40 Plus audio analysis

(+) | speakers can play relatively loud (93.7 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 18% lower than median
(+) | bass is linear (1.8% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 8.1% higher than median
(+) | mids are linear (5.4% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 11.4% higher than median
(+) | highs are linear (3.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (19.4% difference to median)
Compared to same class
» 55% of all tested devices in this class were better, 5% similar, 40% worse
» The best had a delta of 7%, average was 19%, worst was 50%
Compared to all devices tested
» 45% of all tested devices were better, 8% similar, 48% worse
» The best had a delta of 3%, average was 20%, worst was 65%

Lenovo Yoga Tab 11 audio analysis

(+) | speakers can play relatively loud (84.2 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 12% lower than median
(±) | linearity of bass is average (13.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.7% away from median
(+) | mids are linear (3.1% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.8% away from median
(+) | highs are linear (6.9% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (11.3% difference to median)
Compared to same class
» 11% of all tested devices in this class were better, 4% similar, 85% worse
» The best had a delta of 7%, average was 19%, worst was 50%
Compared to all devices tested
» 6% of all tested devices were better, 2% similar, 92% worse
» The best had a delta of 3%, average was 20%, worst was 65%

Power management - frugal 10-inch tablet

Energy consumption

With a maximum power consumption of 5.94 watts under load, the Teclast T40 Plus is the most frugal tablet in our test field.

The included USB power adapter has an output power of 12.5 watts and is thus sufficiently high.

Power Consumption
Off / Standbydarklight 0.55 / 0.14 Watt
Idledarkmidlight 1.11 / 1.13 / 1.62 Watt
Load midlight 4.01 / 5.94 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy
Currently we use the Metrahit Energy, a professional single phase power quality and energy measurement digital multimeter, for our measurements. Find out more about it here. All of our test methods can be found here.
Teclast T40 Plus
6600 mAh
Lenovo Yoga Tab 11
7700 mAh
Blackview Tab 10
7480 mAh
Samsung Galaxy Tab A7 10.4 (2020)
7040 mAh
Power Consumption
-26%
-179%
-137%
Idle Minimum *
1.11
1.2
-8%
2
-80%
1.18
-6%
Idle Average *
1.13
1.5
-33%
6
-431%
4.92
-335%
Idle Maximum *
1.62
1.9
-17%
6.1
-277%
4.95
-206%
Load Average *
4.01
4.9
-22%
6.8
-70%
7.21
-80%
Load Maximum *
5.94
8.8
-48%
8.1
-36%
9.32
-57%

* ... smaller is better

Power consumption: Geekbench (150 cd/m²)

0123456789Tooltip
Teclast T40 Plus UNISOC T618: Ø4.22 (1.118-9.08)
Lenovo Yoga Tab 11 Mediatek Helio G90T: Ø4.24 (1.478-8.87)

Power consumption: GFXBench (150 cd/m²)

00.20.50.711.21.51.722.22.52.72.93.23.43.73.94.24.44.7Tooltip
Teclast T40 Plus UNISOC T618; 1920x1080 Aztec Ruins Normal Offscreen: Ø3.32 (1.229-3.8)
Lenovo Yoga Tab 11 Mediatek Helio G90T; 1920x1080 Aztec Ruins Normal Offscreen: Ø4.24 (3.88-4.91)
Teclast T40 Plus UNISOC T618; Idle 1min: Ø1.179 (1.161-1.225)
Lenovo Yoga Tab 11 Mediatek Helio G90T; Idle 1min: Ø1.483 (1.201-2.07)

Battery life

The Teclast T40 Pro achieves a runtime of 12 hours and 38 minutes in our practical Wi-Fi test. Thus, it can make good use of its 6,600 mAh battery and achieves a similar value as competing devices with generally larger battery capacities.

The tablet is fully recharged after about three and a half hours with the included charger.

Battery Runtime
WiFi Websurfing
12h 38min
Teclast T40 Plus
6600 mAh
Lenovo Yoga Tab 11
7700 mAh
Blackview Tab 10
7480 mAh
Samsung Galaxy Tab A7 10.4 (2020)
7040 mAh
Battery Runtime
WiFi v1.3
758
891
18%
774
2%
757
0%

Pros

+ bright display
+ good battery life
+ LTE capable
+ Expandable memory

Cons

- mediocre camera quality
- no brightness sensor
- slow internal memory and memory card reader
- uncertain update supply

Verdict - Suitable for everyday use

In review: Teclast T40 Plus. Test device provided by: Teclast
In review: Teclast T40 Plus. Test device provided by: Teclast

The Teclast T40 Plus proves to be an inexpensive tablet for simple daily applications in our test. The build quality is basically good, but there can be flaws in individual devices, as the slipped camera sensor on the back of our test model shows. The headphone jack and the 128 GB internal storage as well as LTE round off the otherwise sparse equipment package.

Thanks to a good display, long battery life and low price, the Teclast T40 is a tablet suitable for everyday use.

However, the very good battery runtime and the bright display are also good for daily use. Since the latter is PWM-free and reproduces colors relatively well, it is also well suited for sensitive eyes. If the internal storage is not enough, you can also expand it via microSD card.

Among the inexpensive tablets, Teclast places the T40 Plus in line with the Samsung Galaxy Tab A7 LTE and the Lenovo Yoga Tab 11. However, those who can spend a bit more money will quickly end up with the Apple iPad 10.2 as a strong alternative.

Price and availability

The Teclast T40 Plus is currently only available from Amazon (DE) but it can also be ordered via AliExpress, for example.

Teclast T40 Plus - 10/25/2021 v7
Mike Wobker

Chassis
73 / 98 → 74%
Keyboard
69 / 80 → 87%
Pointing Device
83%
Connectivity
41 / 70 → 59%
Weight
84 / 40-88 → 91%
Battery
89%
Display
84%
Games Performance
16 / 78 → 20%
Application Performance
53 / 92 → 58%
Temperature
92%
Noise
100%
Audio
76 / 91 → 83%
Camera
32 / 85 → 38%
Average
69%
80%
Tablet - Weighted Average

Pricecompare

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Mike Wobker
Editor of the original article: Mike Wobker - Senior Tech Writer - 444 articles published on Notebookcheck since 2017
I carried out my first IT experiments with a 386-based system and a whole 4 MB RAM. This was followed by work on various PCs and laptops that I maintained and repaired for friends and acquaintances. After training to become a Telecommunications Systems Technician and gaining a few years of experience, I graduated with a Bachelor’s degree in Industrial Engineering. Currently, I pursue my fascination for IT, technology, and mobile devices by writing reviews and articles for Notebookcheck. I have also worked for Gamestar, Netzwelt, and Golem, among others.
contact me via: @mornoc_mw, Xing
Ninh Duy
Translator: Ninh Duy - Editorial Assistant - 233438 articles published on Notebookcheck since 2008
My main responsibility as an editorial assistant is maintaining the Library section, which aggregates reviews from other publications and channels. In addition, my daily breakfast is Notebookcheck's long list of new content, which I comb through to select the most interesting topics for translation from English to French, Italian, Spanish, Portuguese, and Dutch."
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> Notebook / Laptop Reviews and News > Reviews > Teclast T40 Plus: Affordable LTE tablet in review
Mike Wobker, 2021-11- 8 (Update: 2021-11- 8)