Dough Spectrum ES07D03 Glossy 4K Gaming Monitor Review: Class Leading Processing, Stunning Image

The Dough Spectrum ES07D03 Glossy is a 4K gaming monitor with a glossy screen coating, 144 Hz, Adaptive-Sync, HDR 600 and extended color.

Dough Spectrum ES07D03 Glossy
Editor's Choice
(Image: © Tom's Hardware)

Why you can trust Tom's Hardware Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test.

The Dough Spectrum Glossy does away with picture modes in favor of three user-configurable memories. You can choose DCI-P3 or sRGB color and in the former mode, calibrate grayscale and choose a gamma preset.

Grayscale and Gamma Tracking

Our grayscale and gamma tests use Calman calibration software from Portrait Displays. We describe our grayscale and gamma tests in detail here.

Dough includes a calibration data sheet with the Spectrum Glossy, but I found my sample a bit off the mark by default. It requires calibration for the best possible picture. A gray step pattern shows a visible blue tint from 40 to 100% brightness. It isn’t a huge error but the Matte sample I tested last year fared better. Gamma tracks a little light, but this issue is hard to spot in actual content.

With calibration, the result becomes reference level. Grayscale is visually perfect and gamma is nearly the same. The 90% step has become a tad brighter, but this doesn’t negatively impact the image.

In sRGB mode, the color temp presets and RGB sliders are grayed out, so you have to accept the bluish-white point shown above. Gamma tracks a bit under the line with an elevated step at 10%. If calibration options were kept active in sRGB mode, this monitor would be about as close to perfect as a display can get.


My Spectrum Glossy sample disappointed a bit in the grayscale test with a 4.40dE average, meaning the error is visible to the naked eye. The Matte sample I tested had no visible issues. This problem is easily solved with calibration or by using the settings I listed previously.

With adjustments to the very precise RGB sliders, the error drops to a very low 0.76dE. Only the Corsair and the Spectrum Matte are better. In the realm of the visible, all these monitors look identical once calibrated.

In the gamma test, the Spectrum Glossy has a tighter range of values but a slightly lower average. Its 4.09% deviation translates to an actual value of 2.11, which is a respectable performance. In a visual comparison, given the right room environment (i.e., no reflections), the Glossy will have a little more punch and saturation thanks to its optically superior screen coating.

Color Gamut Accuracy

Our color gamut and volume testing use Portrait Displays’ Calman software. For details on our color gamut testing and volume calculations, click here.

The Spectrum Glossy fares better in the color gamut test. You can see that it nearly fills the DCI-P3 space with slight under-saturation in green and red. The grayscale errors produce a hue issue for magenta and cyan where they are pulled off-target.

Calibration improves color visually and puts all points on their targets. Every measurement is inside or in contact with its box, which represents 1dE. It doesn’t get much better than this.

The sRGB gamut is fairly close to the mark but has the same errors as the default version of DCI-P3. If the grayscale could be calibrated, it would be more accurate. But if you need sRGB for a particular application, it is usable.


With calibration, the Spectrum Glossy scores higher than average in the color gamut test. Even without adjustment, it performs well with a 2.86dE result. 1.36dE is visibly better though so it’s worth making the tweaks to get the most out of it. Since the Spectrum Matte scores even better at 0.90dE, it’s safe to say that a different example of the Glossy monitor might deliver the same result. Either way, this is a very accurate display.

Though there are a few wide gamut monitors with larger color volumes, the Spectrum Glossy is above average at 93.66% coverage of DCI-P3. Only green comes up a tad short which is typical performance for the category. The sRGB gamut is close to full coverage as well. For color critical work, the DCI-P3 mode is fine on its own, but sRGB should be enhanced with a software lookup table.

MORE: Best Gaming Monitors

MORE: How We Test PC Monitors

MORE: How to Buy a PC Monitor: A 2022 Guide

MORE: How to Choose the Best HDR Monitor

Christian Eberle
Contributing Editor

Christian Eberle is a Contributing Editor for Tom's Hardware US. He's a veteran reviewer of A/V equipment, specializing in monitors.

  • Kridian
    $949!?say 'no' to drugs kids.
  • Co BIY
    Kridian said:
    $949!?say 'no' to drugs kids.

    Agreed. Nice to know these things exist but not for me at this price. 27" seems a little small for 4k.
  • Starsweep
    To all consumers out there considering buying this monitor BEWARE doughs business practices are shady at best and downright illegal at worst they changed their name from Eve devices but it's still them I had a monitor ordered in December last year after we reached June with no updates even when asked I requested a refund. It is now basically October and I have received neither my monitor or my refund, and I'm not the only one Dough has been scamming people for years if your interested please look here to see others who have been scammed by them
  • OdinA
    To anyone reading this please research Dough Tech (formally Eve Devices) before you purchase...
    I (and hundreds maybe thousands more) have had absolutely horrible experience with this company. I made the mistake of not doing my due diligence and got into a situation with Dough on terms of getting my refund back. Long story short, I placed a pre-order for the original 1440p Spectrum monitor in 2019 (going into 2020). After 2yrs and some change, I asked for a refund for they were "stalling" or kept delaying the 1440p monitor shipping. They have "delayed" the monitor about 3 or 4 times before I asked for the refund on April 8th, 2022. At the time of writing this, I still have yet to receive my refund. At this point, any inquiries referring to my cancelled order are being ignored and even a chargeback has been issued via my card issuer. Dough Tech/Eve Devices continue to advertise their monitors and mostly sending out their 4K monitors to reviewers, tech sites, and social media influencers. Im sure some have received them (with questionable quality in both build and functionality) but the majority are left with money being taken and no product to be delivered. Below I've included as many links as I can relating to Dough Tech/Eve Devices being incompetent in fulfilling orders, issuing refunds, and even flat out ignoring inquiries. One of the links is Dough's own discussion forums which has many users frustrated about this same situation. If you are even more curious, look at the user comments on the posts made by their insta ( and twitter (@DOUGHtechnology). There are many users facing this issue and it should be voiced out despite all of their questionable reviews given by other Tech News sites.

    Dough Tech Reddit PageEve Devices Reddit PageTrustPilot Reviews about Eve Devices (now known as Dough Tech)Piunika Article about Eve Devices/Dough issues with buyersON MSFT Article about Eve Devices issues with customersDough Tech Discussion Forums relating to fulfillment issues and shipmentEngadget Article about Eve Devices not refunding consumers for Spectrum monitorsTheVerge Article about Eve Devices "rebranding" to Dough TechTheVerge Article about Dough Tech OLED monitor
  • meulengracht
    I wish Tom's team would do a little bit of research and adjust the rating accordingly. This review gets linked so often on retail sites that people need to know that it's extremely risky to buy anything from Dough (formerly known as Eve). They ignore all support requests, refuse to pay refunds for orders they didn't even complete. New posts on their forums are banned. This is a very bad company, not just a small startup.