Technologies

How CNET Tests Monitors

The method behind our monitor-review madness.

Monitor testing and evaluation consists of formal and subjective quality tests and hands-on assessment of the display’s design and features — connection selection and location, menus and options and overall behavior. As part of the process we use the monitor for tasks specific to its mission, such as everyday productivity, video streaming, image and video editing or different types of gaming (such as FPS or RPG). Note that we only report a fraction of our results, usually what’s necessary to adequately convey a monitor’s strengths and weaknesses for particular uses.

The process begins with unboxing and setup; it’s connected to our Windows-based desktop testbed (or a relatively high-end Mac in cases that require it) equipped with a current-generation Intel Core i9 and high-end Nvidia GeForce graphics card. Both the computer and monitor are plugged directly into a wall outlet to prevent any power issues that might impact performance.

We generally prefer to use our cables rather than the manufacturer-supplied ones since they’re a known quantity and tend to be higher quality; if we run into any issues, we double check using the manufacturer’s cables. DisplayPort is our primary connection for testing. If the monitor specifies any console-specific capabilities, we connect it to the relevant console(s), Xbox Series X and/or PS5 via HDMI.

Before any testing begins, we photograph the default settings and all menu options for reference and to determine the complete set of tests we’ll need to run on that particular monitor given its specific capabilities; how extensively we test depends on the capabilities of the monitor, the screen and backlight technology used, and the judgment of the reviewer. We disable power-saving measures where relevant, which can affect brightness and related measures (the option is mandatory per California law). We use a subset of these tests to evaluation laptop displays and run them both plugged into a wall outlet and on battery using the default profile but with screen timeouts disabled.

We also record any relevant information about the panel — manufacturer specs for resolution, color gamut and profiles, refresh rates and so on — that may impact our evaluation against manufacturer’s claims. While we review a display with the company’s publicly expressed target market in mind, we also consider the monitor’s suitability for other uses that might apply.Wherever possible, we download drivers and color profiles specific to the monitor.

What we measure

All measurements are performed using the most recent version of Portrait Display’s Calman Ultimate software using an X-Rite i1Display Pro Plus (rebranded as Calibrite ColorChecker Display Plus) and a variety of included patch sets, with additional HDR testing using a Murideo Six-G pattern generator and or the Client3 HDR patterns within Calman. We periodically spot check the colorimeter’s accuracy against the Konica Minolta CS-2000 spectroradiometer used for our TV testing.

Our test lab is equipped with blackout curtains to fully block ambient light, though complete darkness isn’t essential since the colorimeter sits directly on the screen and isn’t affected by dim lighting. The room has natural light and various artificial sources for normal usage evaluation.

Color accuracy results are reported in units of Delta E 2000. We perform most of the tests (where we know results vary) at both 100% and default hardware brightness levels.

Core tests — those we run on every display, regardless of intent or price — include:

White point, brightness (peak and minimum), contrast and gamma for sRGB and the native color space measured across 21 gray patches (0-100%), reported rounded down to the nearest 50K as long as there are no big variations. A variation of plus or minus 200K around the target color temperature is considered acceptable for all but the most color-critical displays.
Color gamut coverage and accuracy for sRGB and the native color space using Calman’s standard Pantone patch set plus grayscale and skin tone patches.
We add Blur Busters‘ motion tests for gaming monitors to judge motion artifacts (such as ghosting) or refresh rate-related problems.

If a monitor has menu options beyond the basics, we run the same core tests for the following settings when available:

All color presets
All gaming presets (such as FPS). We also test brightness for pixel overdrive and motion-blur reduction modes (which tend to lower brightness considerably).
Gamma for at least 1.8, 2.2 and 2.6
Color temperatures for at least 5000K, 6300K, 6500K and 9300K

For HDR, we add testing for HDR-specific presets (such as Game HDR or Cinema HDR) and brightness for window sizes of 1%, 5%, 10% and 100% of the screen.

Finally, there are tests we only run when needed to understand the measurements we’ve gotten or to confirm that artifacts we’re seeing — notably nonuniformity — aren’t imaginary.

Technologies

WWDC 2025 Set for June 9. What to Expect From iOS 19 and How to Watch

The tech giant has published the lineup for its summer software event, including details of how to stream the keynote.

Apple has revealed the lineup for this year’s WWDC, its annual developer conference, which is scheduled to take place from June 9 to June 13, with a mix of online and in-person sessions. The company has scheduled a special event for the first day at Apple Park, where it will stream its keynote and platforms state of the union address.

The June 9 keynote is scheduled to take place at 10 a.m. PT, and will detail «groundbreaking updates coming to Apple platforms,» according to a press release. During the keynote, we expect to see the company announce its plans for iOS 19 and other software updates across iPad, Mac, Apple Watch and Apple TV.

The platforms state of the union will take place on the same day at 1 p.m. PT, offering «a deeper dive into the new tools that will further empower Apple developers, including advances across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.»

You can watch both events online via apple.com, the Apple TV app, and the Apple YouTube channel.

As always, iOS 19 likely won’t arrive later in the year (probably after the annual September iPhone event), but WWDC will provide us with our first glimpse of Apple’s plans for our devices. In the meantime, check out our iOS 19 wish list of features that CNET staff hope will be coming with this next big software update.

What is WWDC?

WWDC is a conference for the developers who create the apps we use across our Apple devices, from our iPhones to our MacBooks, to learn about new tools and features they can take advantage of that year. However, the event also garners significant attention from beyond the developer community, since it tells us all we need to know about what to expect from the next generation of software updates that will come to our devices.

The online event is free to attend for all developers, and anyone who is curious can tune into Apple’s keynote. But those who want to attend the June 9 event at Apple Park in person need to apply online. In the days following, students and developers will attend sessions where they can engage more deeply with the changes to Apple’s platforms, which will allow them to ensure their apps are fully compatible with and that they take advantage of those changes.

«We’re excited to mark another incredible year of WWDC with our global developer community,» said Susan Prescott, Apple’s vice president of worldwide developer relations. «We can’t wait to share the latest tools and technologies that will empower developers and help them continue to innovate.»

What to Expect at WWDC 2025

If rumors are to be believed, Apple’s operating systems are set for a dramatic design overhaul this year. According to Bloomberg, iOS 19, iPadOS 19 and MacOS 16 will all feature new icons and menus, which will also change how our devices and controlled and navigated. The aim is reportedly to create a more cohesive style across platforms that will be reminiscent of VisionOS, the operating system designed for the company’s mixed-reality headset.

But that’s not all — Apple will likely use WWDC to outline the progress its made in the field of AI. «I’m looking forward to seeing more details about Apple Intelligence and the new features that will become available,» said Francisco Jeronimo, VP of devices at IDC. «This is critical for Apple, as Google Gemini and the Android vendors have taken significant steps forward with their AI offerings.»

Last year at WWDC 2024, Apple announced iOS 18 and Apple Intelligence — as well as updates to Siri that have yet to materialize.

Technologies

This Belkin Wireless Phone Charger Is Just $15, but Time’s Running Out to Get Yours

Wireless chargers are handy to have around. This one is now 67% off at Woot.

Sure, you can plug your phone into a cable when it comes time to top it off, but that’s so boring and kind of old school. Instead, why not treat yourself to a new wireless charger and power that phone in style? You might be surprised how inexpensive the switch to wireless charging is, especially if you take advantage of this deal. Right now, Woot will sell you a Belkin Qi-certified charger for just $15, and you’ll even get a power adapter in the box. That’s more than you can say about your phone these days.

This wireless charger comes in a stand form so you can use your phone’s screen and watch content even while it’s charging. It has a stylish black finish, so it’ll look right at home whether on your desk or table beside your bed.

Hey, did you know? CNET Deals texts are free, easy and save you money.

In terms of specs, the charger is Qi-certified, so it is rated for 15 watts of charging power, while the adapter is rated for 24 watts. That means that you’ll charge at the maximum speed allowed by the Qi standard when using a compatible phone.

It’s worth keeping in mind that this deal isn’t going to hang around for long, though. Woot says it will end in just a few days, and it could end sooner if stocks run dry.

Why this deal matters

Wireless chargers are a quick and easy way to get some juice into your phone while still having access to its display. But the best part is the fact that you won’t have to go fishing for your cable down the back of the nearest piece of furniture anymore. Can you really put a price on that?

If you could, we reckon it’d be much more than the $15 needed to get one of these wireless chargers, that’s for sure.