Display Analysis

Dell’s move back to 16:10 on their XPS laptop display panels is likely a welcome change for almost all prospective buyers. The PC industry aggressively moved to 16:9 with the rise of HD televisions, and while the 16:9 aspect ratio is still the default for most PC gaming and media consumption, most productivity tasks will enjoy the slightly taller display. Going to 16:10 instead of 3:2 like we have seen on Microsoft’s Surface lineup is also a nice compromise between productivity and consumption.

Dell is offering both 1920x1200 and 3840x2400 display offerings, which is in-line with what they’ve been doing with the XPS 13 lineup since at least 2015. For 2020 though, there is an optional touch digitizer on the lower resolution display, whereas in the past Dell only included touch with the higher-resolution panel. Both displays offer Dolby Vision processing and Eyesafe technology to reduce blue light transmission.

The 1920x1200 panel is a standard sRGB display, rated at 500 nits of brightness. Meanwhile the 3840x2400 panel has a much wider color gamut – offering 90% of the P3 color space – and is HDR 400 certified as well.

Dell sampled us the lower-resolution panel for review, but as with any Windows-based notebook with wider than sRGB gamut coverage, it is still a 'buyer beware' situation. Windows 10 does not offer the best color management system, and since almost all content and programs are designed around sRGB, if you opt for the wider-gamut display colors will be blown out unless you are using an application that specifically supports color management. For most people, the sRGB panel is the better option, not only because the 1920x1200 13.4-inch display still provides a reasonable 170 pixels-per-inch and much better battery life, but also because Windows still deals with wide-gamut and HDR poorly.

One area where Dell needs to be commended though is in their use of anti-glare coatings on their XPS displays. This has been one area that no PC manufacturer has really put much effort in, but Dell offers a 0.65% reflectivity rating on their coating, and it makes a big difference in day-to-day usage, especially in a bright room or outdoors.

To see how the XPS 13 display performs, it was tested using the Portrait Displays CalMAN software suite, using a custom workflow. Brightness and contrast were measured with the X-Rite i1Display Pro colorimeter, and color accuracy measurements were done with the X-Rite i1Pro2 spectrophotometer.

Brightness and Contrast

Display - Max Brightness

Display - Black Levels

Display - Contrast Ratio

Despite the 500-nit rating, the XPS 13 managed to achieve a very impressive 610 nits of brightness. Coupled with the excellent anti-reflective coatings, the XPS 13 is easily one of the best notebooks for any bright location. The contrast ration of over 1800:1 was also top-notch.

Grayscale


Portrait Displays CalMAN

Display - Grayscale Accuracy

Despite the XPS 13 including an ICC profile, the review unit offered very poor grayscale performance, which was a disappointment after the XPS 13 2-in-1 we reviewed in November had such great results. Dell is likely using a batch-calibration process, rather than tuning each panel individually, which is a shame.

Gamut


Portrait Displays CalMAN

Display - Gamut Accuracy

Grayscale aside, the color gamut results show a much better outcome, with really only Cyan having much in the way of color error. The display nicely hits sRGB primary and secondary color points, although does pull a bit to the green end, especially on Cyan.

Saturation


Portrait Displays CalMAN

Display - Saturation Accuracy

Gamut tests the sRGB color space at the 100% levels, but for the saturation test each primary and secondary color is tested in 4-bit steps from 0% to 100%. Really, other than the Cyan errors, the XPS 13’s color accuracy on these sweeps is quite good, just missing the 3.0 DeltaE threshold.

Gretag Macbeth


Portrait Displays CalMAN

Display - GMB Accuracy

The Gretag Macbeth colorchecker tests many colors, not just the primary and secondary colors, and includes the important skin tones. To be considered accurate, all of the color tests on the DeltaE 2000 scale should be under the yellow line, and for the most part that is the case. The grayscales and the most impacted, which isn’t surprising with how inaccurate the grayscale was on this unit, with only a few colors over the 3.0 error level.

Colorchecker


Portrait Displays CalMAN

The colorcheck swatch provides a relative look at how the display performs. The colors on the bottom half of the swatch are the targeted colors, and the top half is what the XPS 13 was able to provide. This is a relative result, because any error in your own display would impact this swatch.

For the most part, the color accuracy of the XPS 13 is very good, with mostly only grayscale errors. The bad news is that Dell did include an ICC profile to address this, but it had little to no impact on the grayscale. Meanwhile the good news is that since most of the errors are grayscale, if you owned your own calibration tools, the XPS 13 could be adjusted to give a reasonable result. But as a premium device, it would be nice to see Dell extend the calibration to every panel.

GPU Performance Battery Life and Charge Time
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  • sorten - Thursday, July 16, 2020 - link

    eek: Here's a review comparing a $600 Acer laptop with the 4700u (not AMD's top mobile CPU) against an XPS 13 with the Intel 1065G7, and it's not pretty. Tiger Lake is supposed to have a massively improved GPU (Intel's new Xe brand), but we don't know much about the CPU side yet.

    https://www.anandtech.com/show/15762/the-acer-swif...
  • Deicidium369 - Thursday, July 16, 2020 - link

    The CPU side of Tiger Lake - 4 cores is 17% slower than AMD Renoir 8 cores. Xe LP (the 96 EU iGPU in Tiger Lake) is equal to the MX350 from Nvidia.
  • Santoval - Friday, July 17, 2020 - link

    According to unverified leaks. I await for actual performance values, while being skeptical that Intel managed to raise the IPC (and/or clocks) of Tiger Lake so much over Ice Lake (I obviously refer to the CPU block, not the iGPU block; I have no doubt that Xe will outperform AMD's Vega iGPUs - that is AMD's choice for having a 3-year old GPU design compete against Intel's latest and greatest Xe GPU, in an act of apparent self-sabotage).
  • gescom - Friday, July 17, 2020 - link

    Lenovo ThinkPad T14s: AMD Ryzen 7 Pro 4750U leaves Intel in the dust.
    Notebookcheck.net
  • Jorgp2 - Thursday, July 16, 2020 - link

    Again why are shilling?

    Who thinks a craptop vs an Ultrabook is a valid comparison.
  • Lord of the Bored - Friday, July 17, 2020 - link

    I think the point is that the AMD processor being used in the craptop is kinda wrecking Intel's "solid" and "competitive" offerings.
  • PeterCollier - Friday, July 17, 2020 - link

    So AMD catches up with Intel after Intel falls behind by 4 years with their 10nm process. Big __ deal.
  • Korguz - Friday, July 17, 2020 - link

    the bigger deal, intel STILL hasn't regained its lead during the same timeframe.
  • Spunjji - Friday, July 17, 2020 - link

    @Jorgp2 It's kind of funny that your argument is "It's okay for Ultrabooks to be slower than craptops". The comparison is not only valid, it's *damning*. There shouldn't be any reason why you can get that performance from a junk notebook but not in the #1 Ultrabook design.
  • Jorgp2 - Friday, July 17, 2020 - link

    Because you're comparing a $300 craptop to an Ultrabook.

    Of course the craptop is going to be cheaper.

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