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Grayscale, Gamma & Color
Our grayscale and gamma tests are described in detail here.
The P2418HT comes set to its Standard picture preset, which runs a little blue in our grayscale test. The errors are visible starting at the 50% brightness level, which means most content will look slightly cool. A ComfortView mode is available and warms things up considerably, but don’t mistake it for a low blue light setting; it’s far too yellow. The best preset to use without calibration is Warm. It doesn’t offer adjustment, but it comes fairly close to D65.
If you have the gear, or want to use our recommended settings, reach for the Custom Color mode and tweak the RGB sliders as we did. That will net you pro level performance. Our initial calibration left the 100% point with a DeltaE over three, but lowering the contrast control fixed that.
3.24dE is a mid-pack result for the P2418HT. Among business monitors that’s a decent number, but as always, there’s room for improvement. Our calibration took the average error to a super low .52dE; better than many pro screens. This display isn’t necessarily intended for color-critical work, but since it’s likely to see use by artists, accurate color should be part of its feature set.
We had to work a compromise with gamma tracking. The default chart is pretty good but runs slightly dark at the lower end. Shadow detail isn’t compromised, but it looks a tad murky in some content. There are no gamma presets in the OSD, but adjusting the contrast slider affected the trace. Now we have a dip at 90%, which indicates a high luminance value. You can fix this by leaving contrast at 75%, but then you’ll have a slight color error in the brightest whites. We’d call it a six-of-one, half-dozen-of-the-other proposition.
The P2418HT’s gamma tracking isn’t quite as ruler straight as the other monitors, hence its last place finish in the first test. That dip at 90% is the main culprit. If we’d left the contrast slider alone, the value spread would be .22, good enough for third place. The average value is 2.23, however, so it meets our spec reasonably well. That and its lack of impact on color saturation is why we opted to leave contrast set to 73%.
Color Gamut & Luminance
For details on our color gamut testing and volume calculations, please click here.
Based on the color saturation and luminance charts, we’d say that even in Standard mode, the P2418HT acquits itself well. We can see hue errors in green, cyan, and magenta, but saturation points track close to target and luminance levels are reasonably well balanced. Calibration fixes the cyan hue issue and brings magenta closer to target. The gamma shift at 90% doesn’t seem to affect the results in any significant way. Our adjustments have taken the monitor from average to very good. It’s certainly the equal of any business-class screen we’ve reviewed.
Adjustments in the Custom Color mode took our sample’s color error from 3.41 down to 2.19dE. While that’s only good enough for fifth place, the P2418HT isn’t far behind the rest. It’s not at the level of a professional monitor, but artists looking to create or present their work should be satisfied with the color accuracy here.
Gamut volume runs a little lighter than the other screens thanks to slight under-saturation on the blue/cyan/green side of the gamut triangle. Those last few hues are missing from the monitor’s colorspace. If you’re using this display for proofing, a custom color profile is strongly recommended.
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Christian Eberle is a Contributing Editor for Tom's Hardware US. He's a veteran reviewer of A/V equipment, specializing in monitors. Christian began his obsession with tech when he built his first PC in 1991, a 286 running DOS 3.0 at a blazing 12MHz. In 2006, he undertook training from the Imaging Science Foundation in video calibration and testing and thus started a passion for precise imaging that persists to this day. He is also a professional musician with a degree from the New England Conservatory as a classical bassoonist which he used to good effect as a performer with the West Point Army Band from 1987 to 2013. He enjoys watching movies and listening to high-end audio in his custom-built home theater and can be seen riding trails near his home on a race-ready ICE VTX recumbent trike. Christian enjoys the endless summer in Florida where he lives with his wife and Chihuahua and plays with orchestras around the state.
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Link to Dell shows it at $399. though!Reply
19512310 said:Link to Dell shows it at $399. though!
What region are you in?
US is showing $399 MSRP discounted down to $320
The first thing i do when I see a monitor review is take a quick look at the specs, and if the refresh rate is 60 i just move on. Why aren't ALL monitors at least 120 now? Even TV's standard is higher than 60!Reply
Dude it's a touchscreen, why do you need 120Hz? The primary purpose of these things are for drawing and graphics work.Reply
Because 60Hz is like 1990's tech. They should all be 240Hz or better in 2017.Reply
Good drawing board. Could be usefull for graphic making.Reply
I would've bought 3 of these had they been available with higher resolutions. I'm talking about 1440p (25"?) and 4K (27"?). I currently own an UltraSharp U2515H: image quality & finish are absolutely amazing. My next purchase would be another Dell and I really wanted touchscreen on the desktop (I was actually deciding between my current screen and a touchscreen display and preferred quality over that functionality - I'd love to have both, DELL!)Reply
I have always wanted a touchscreen monitor to use as a Keyboard/Mouse alternative, while also mirroring what is being shown on my main monitor. This monitor has the price and resolution that might make me give this experiment a try. Could you give me more information about the projected capacitive 4096x4096 resolution, does that mean that the monitior can mimic the resolution of any monitor within that 4096x4096 resolution range? That would really help me match different monitor resolutions while in mirror mode. It is also good that the stand separates from the panel since the stand is so heavy.Reply
19513269 said:Because 60Hz is like 1990's tech. They should all be 240Hz or better in 2017.
Well sorry but for the crowd that this is made for it more than serves it purpose.
As a creative person, I'd like to know if these touchscreen offerings have pressure levels equal to a Wacom Bamboo or Monoprice drawing tablet (2048)? My budget is never going to be enough for the insane cost of a Wacom Cintiq, so these touchscreens are interesting.Reply