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4 reasons to buy BenQ XL2420T 

Monitors

The Good 120 Hz support. Finally, BenQ is the front mount button. Context-sensitive on-screen display. Flexible stand options. Energy-efficient. Great guarantee.

The Bad Clear light is bleeding. The problem of discoloration with inversion tests. The touch buttons are not as responsive as they should be.

The Bottom Line Despite the extra redundancy, the XL2420T is not a large-scale jump compared to the XL2410T. However, if serious smooth gameplay is your only problem, take a look.

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7.5 Overall

Quick access

  • Specs at a glance
  • Stand and ergonomics
  • Connections
  • Buttons and OSD
  • Performance
  • Warranty
  • Conclusion

Today there is only one reason to buy a monitor based on TN: 120 Hz. Dual upgrade means that your games may display dual frame rates (preferred graphics card). Of course, this also means support for Nvidia 3D glasses, but this is quiet compared to the frequencies of the silky smooth frame.

So we have the XL2420T BenQ, the following information about its smaller XL2410T. The same two serious gentlemen are in the box, though there has been a rigorous processing of the industrial design.

The new BenQ design is a bit more streamlined.
(Credit: Craig Simms)

Specs at a glance

Size 24 inches
Resolution 1920×1080
Aspect ratio 16:9
Pixel pitch 0.272
Panel technology TN
Viewing angles
(10:1 contrast)
H: 170°
V: 160°
Response time 2ms GTG
Max vertical refresh 120Hz
Connections DVI, DisplayPort, 2x HDMI, VGA, 3xUSB 2.0 downstream, 1xUSB 2.0 upstream, 3.5mm line out
Accessories DVI, power cables

Stand and ergonomics

BenQ’s efforts with its coasters have been historically good, with the whole range of tilt, rotation, rotation and height adjustment playing. There is a hole in the throat for cable management and at the top is a hook for hanging cables or other devices. The handle at the top makes the carryover a little less awkward once you adjust the screen height down as far as it goes. It was extremely difficult for us to remove all the protective plastic from the stand, since a certain amount seems to be trapped between the two pieces of plastic near the top – always in the sharp state of a sharp knife to finish.

BenQ stand provides full range of adjustability.
(Credit: Craig Simms)

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Connections

Remote USB port, DisplayPort, VGA, DVI, 2x HDMI, USB 2.0 upstream and USB 2.0 downstream (left).
(Credit: Craig Simms)

Two USB 2.0 ports and a headphone port are on the left.
(Credit: Craig Simms)

The spine on the left side of the console allows him to press against the base of the stand.
(Credit: Craig Simms)

The included S S remote is not exactly a game changer, but it can potentially make your monitor work a little faster. The scroll wheel and back button are used to navigate the screen, while the three bottom buttons can be set as shortcuts for various monitor functions. For today, the most useful feature is to treat it as an input switch.

Buttons and Screen Display (OSD)

The capacitive buttons are not very responsive.
(Credit: Craig Simms)

Finally, BenQ was able to install the front panels, but it also made them capacitive. Although this is theoretically good; in practice, you can’t push buttons too fast, or your monitor simply won’t record your press. You have to wait for the on-screen menu to show you that you have taken an action, and then press again, which can cause frustration as you make your way through the menu. Each press will also result in an extremely annoying beep that you can thankfully turn off from the OSD.

Buttons are highlighted and the menu is context sensitive and a great step forward for BenQ.

Context-sensitive on-screen display? Yes please.
(Credit: Craig Simms)

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BenQ has all the usual screen settings you’d expect, as well as some unique features. One of these is what he calls the “Black Equalizer”, which, by all intents and purposes, seems like a gamut adjustment. The gambit is that gamers can now see more detail in dark areas, and it works quite well in this feature.

Scaling options are also impressive. 1: 1, full screen and side stretch, but you can also simulate monitor sizes, including 17-inch 4: 3, 19-inch 4: 3, and 16:10, 21.5-inch 16:10, and 23-inch 16: 9. We advise against using any of the latest modes because the image looks rather blurry. Stick to 1L1, full screen and aspect.

Other disconnecting features include high scaling settings for HDMI and the ability to disable automatic switching to HDMI if one of the other inputs is turned off.

There are also presets that you can download and FPS mode that adjusts the images to try and give you a competitive edge – do you think it matters – are personal benefits.

Performance

LCD tests Lagom.nl

After calibrating to a target brightness of 140 cd / m² using X-Rite i1Display 2, Eye-One Match 3 and tuning using HCFR, the XL2420T went through Lagom.nl LCD tests.

Image tests
Contrast Sharpness Gamma Black level White saturation Gradient
Pass Pass Pass Pass Pass Very slight banding, purple discolouration at dark end of the gradient.

The XL2420T did pretty well with the basic Lagom.nl tests, only showing minor problems with the gradient test.

Inversion pixel walk tests
Test 1 Test 2a Test 2b Test 3 Test 4a Test 4b Test 5 Test 6a Test 6b Test 7a Test 7b
Turns green Turns green Pass Turns purple Turns purple, slight flicker Turns purple Pass Pass Pass Turns purple Turns purple

Although we usually look for flicker in these tests, the XL2420T had the bizarre property of turning images intended to be gray in purple or green. We have only seen this once before since Asus PA246 , an IPS screen.

Input lag

Measured against the Samsung SyncMaster 975p CRT and using the Canon 40D at a shutter speed of 1/320, an average of more than 60 photos were taken with StoppUhr. The lag time was absolutely insignificant – the XL2420T is definitely good for gaming.

HDMI performance

Although the monitor may have an HDMI port, there is no guarantee that it will display the image as expected. We plugged in the PlayStation 3 and tested it for 24x and fate, and ran the HQV Blu-ray test to see how well it handles the intertwined source and noise.

24p capable Understands YUV Mission Impossible III
scene 11 judder test
Mission Impossible III
scene 14 judder test
Yes Yes Judder Judder
HQV noise
reduction
score
HQV video
resolution loss
score
HQV jaggies
score
HQV film
resolution loss
score
HQV film
resolution loss —
stadium score
Total score
out of 100
0 0 0 0 0 0

The XL2420T handles progressive input best, and is probably best for gaming consoles. For movie viewing, it does not provide the best experience on a dedicated device via HDMI.

Viewing angles

Viewing angles were made using the Canon 40D in spot metering, with only shutter time adjusting for good exposure.

As you can see, the images quickly flush as we turn away, which is common in TN panels. Interestingly, the colors invert faster on the lower vertical than usual, then return to normal when you walk past that point.
(Credit: Craig Simms)

Light bleed

The XL2420T – not the best when it comes to light bleeding – on a clear black screen, obvious bleeding is introduced from all sides in our sample.

It is important to note that the effects of light bleeding are likely to vary from monitor to monitor, regardless of size.

Power consumption

We measured energy using a Jaycar digital energy meter. It is important to note here that due to the limitations of the meter, the measurements are limited to 1 W or more and reported in 1 W increments.

All measurements, screen brightness and contrast were set to 100 percent and the test image was shown.

Juice Box
Maximum power draw 24W
Power-saving mode
Off

For the past few years, BenQ has focused on energy efficiency, and this is again demonstrated with the XL2420T.

Warranty

The XL2420T is covered by a fantastic four-year, zero dead BenQ pixel, with a pick-up warranty in place.

Conclusion

Despite the extra redundancy, the XL2420T is not a large-scale jump compared to the XL2410T. Like its predecessor, it suffers from light blood flow, as TN panels usually do not due to lower production tolerances, and discoloration on inversion tests is a concern. Despite the problems with the screen, the 120Hz mode is still great, and the panel is responsive to games. If serious smooth gameplay is your only problem, take a look.

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