September 04, 2017

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There’s another big reason why you shouldn’t get the Alienware 15 R3 without G-Sync (PWM report)

It looks like that the only good reason to opt for the less expensive Alienware 15 R3 without G-Sync is battery life. Anything other than that suggests of less than stellar user experience. Usually, G-Sync-enabled…

August 25, 2017

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Unsurprisingly, the ASUS ROG Zephyrus (GX501VI)’s screen doesn’t use PWM

Not only does the ASUS ROG Zephyrus boast an excellent 15.6-inch IPS panel with good properties, aside from being a bit dim for an IPS display, but it’s also excellent for gaming as it incorporates…

August 24, 2017

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Acer Predator Helios 300 (17-inch, PH317-51) uses an aggressive type of PWM

Acer’s 17-inch version of the Predator Helios 300 surprised us with an excellent IPS panel suitable for gaming and multimedia – something that the 15-inch version of the notebook lacks. Unfortunately, though, there’s a big…

August 20, 2017

1

The new HP Omen 17 (2017)’s screen doesn’t use PWM

Just like most G-Sync-enabled notebook display’s, the new HP Omen 17‘s panel doesn’t use PWM for regulating screen brightness. The panel is made by AU Optronics with model number B173HAN01.4. This means that the flicker-free…

August 18, 2017

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The ASUS ZenBook UX410UQ IPS screen has a good PWM rating in our ranking table

Our tests show that the ASUS ZenBook UX410UQ has an excellent IPS display with just a few drawbacks and PWM is one of the small issues here, believe it or not. It appears that the…

August 14, 2017

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The HP Spectre x360 13 uses the same panel as the Spectre 13 – means good PWM rating

It appears that the HP Spectre x360 13 IPS panel matches the one in the normal Spectre 13 and the Acer Swift 7. The panel is made by CHI MEI and the model number is…

August 11, 2017

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The Lenovo ThinkPad 13 Gen 2 display will bother only users with sensitive eyes (PWM report)

We are thankful that Lenovo was able at least some kind of IPS panel into the fairly affordable ThinkPad 13 Gen 2 but we are a bit concerned about the PWM. Unfortunately, our equipment was…

August 10, 2017

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The Dell Latitude 13 7370’s screen uses PWM for regulating screen brightness

Despite Dell Latitude 13 7370‘s nearly flawless screen, it uses PWM from 0 to 99% brightness putting unnecessary strain on some of the user’s eyes. Why some of the users? Because our equipment measured 19.5…

July 07, 2017

2

The new MacBook Pro 15’s display doesn’t put any unnecessary strain on your eyes (PWM-free)

If you haven’t read our full review of the MacBook Pro 15 with the famous Touch Bar, we strongly recommend that you do because there are plenty of new findings during our research, which will…

June 19, 2017

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Dell Precision 15 3520’s configuration with IPS panel uses PWM for regulating screen brightness

If you are looking into Dell’s professional workstations, then you might have already come across the Precision 15 3520 – a durable workforce on the go that has a lot to offer and has little…

June 13, 2017

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Top 5 Laptops with Flicker-free (PWM-free) displays – June 2017

Some desktop and laptop monitors control backlight brightness through a process known as Pulse-width Modulation, or PWM (read more), where the amount of light emitted by the screen is controlled by pulsing the backlight on…

May 07, 2017

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Acer TravelMate P4 TMP449 uses harmful low-frequency PWM to regulate screen brightness

Acer TravelMate P4 TMP449 is a budget business notebook that we recently reviewed. It’s and overall great device with an affordable price tag but the screen is where Acer cut costs. TravelMate P4 uses an Innolux N140BGA-EA3…

January 14, 2017

5

More about the LaptopMedia display profiles and the PWM Ranking – what are we working on

Those who follow us closely have probably noticed that we have two new sections and a new project we are working on – the LaptopMedia profiles. On January 1st, two years ago we revealed that…

December 22, 2016

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The new HP ProBook 450 G4 with Full HD screen is mostly harmless for your eyes

We add another good reason to buy the new HP ProBook 450 G4 – the absence of PWM. This is of great importance for a business notebook because users tend to spend most of their…

December 16, 2016

2

The ASUS ROG GL502VS is the first G-Sync-enabled laptop with PWM

It took us a few minutes to process this because we were quite baffled. When the first notebooks and external displays with NVIDIA’s G-sync technology came out, it was advertised that they lack PWM. And…

December 05, 2016

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The MSI PX60 6QE’s screen uses PWM for screen dimming at low frequency

With the Acer Aspire V 15 (V3-575G) and the MSI PX60 6QE sharing the same screen, they both inherit the nasty PWM, which will affect users with sensitive eyes. However, it was interesting to find…

December 01, 2016

1

Dell’s XPS 13 (QHD+) screen is relatively harmless to your eyes (PWM report)

Results from the lab just came in shortly after the tests regarding screen quality. And opposed to yesterday’s undoubtedly excellent results, we have some mixed feelings about this PWM report. You can find some of…

November 21, 2016

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Dell Vostro 3559’s screen uses high-frequency PWM so it’s relatively safe for long hours of use

In case you’ve forgotten, we had a quick look at the Dell Vostro 3559 that sits in the lower-end business segment of the market and at first glance, things look pretty good for the asking…

November 14, 2016

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Lenovo Yoga Book has no PWM so it’s safe to use during your creativity hours

Some of the display tests just came in and we are pretty delighted with the results. Our equipment didn’t detect any pulsations from 1 to 100% screen brightness making it virtually harmless to use during…

November 02, 2016

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MSI GT83VR Titan SLI’s screen uses low-frequency (harmful) PWM

Looking for a desktop replacement but just as powerful and a bit more portable? Well, MSI got you covered with the MSI GT83VR Titan SLI notebook, which also comes with a dual GTX 1080 setup…