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There are only two overdrive settings available in the menu via the ‘Response Time’ option. These are for ‘normal’ (8ms G2G spec from Dell) and ‘Fast’ (5ms G2G from Dell) modes. We tested both of these and it was immediately obvious that the ‘Fast’ mode was like many other aggressive overdrive settings in the market and not usable in practice. The ‘normal’ mode looked far better. Přesné barvy ihned po vybalení: Monitor je ve výrobě kalibrován na 99% pokrytí barevného prostoru sRGB s přesností Delta-E menší než 2 pro přesné barvy hned od začátku. At the maximum refresh rate of the screen we will also include our familiar more detailed response time measurements, which includes a wider range of transition measurements as well as some analysis of things like the refresh rate compliance. This identifies how many of the measured pixel transitions were fast enough to keep up with the frame rate of the screen. Ideally you’d want pixel response times to be consistently and reliably shorter than this refresh rate cycle, otherwise if they are slower it can lead to additional smearing and blurring on moving content. The U2520D is a good choice for a multi-monitor array. You can use the DisplayPort-out connection to daisy-chain a second monitor, which will be automatically detected and configured using Dell Express Daisy Chaining, which I first tested in the Editors’ Choice Dell 27 USB-C Monitor (P2720DC) mentioned up top. The OSD: Intuitive Navigation
Dell U2520D UltraSharp USB-C 25 Inch QHD (2560x1440) Monitor
Normal mode delivered pretty slow response times though, with a 10.4ms G2G average but thankfully very low levels of overshoot that were not visible in practice at all. Given the screen is only 60Hz, while these response times were slow for sure relative to modern gaming screens, they were still fast enough to keep up with the low 60fps frame rate. There’s no real problems with the response times here for what is an office and general use monitor. They can probably handle some light gaming if you wanted to, and are fine for multimedia and certainly for static office-type content of course. Asus ROG Swift OLED PG49WCD October 25, 2023 The large 49″ super ultrawide QD-OLED screen from Asus, with a 5120 x 1440 resolution, 144Hz refresh rate and 1000 nits peak brightness spec Hard drive retention: Hard drive retention is not available on models with a soldered hard drive, including XPS 9315 2in1, Chromebooks or Venue tablets, except the Venue 11 Pro. If you’re looking for a compact but elite productivity monitor that displays color well, the U2520D is well worth your consideration. It costs less than the Lenovo P27u-10, and it features much better OSD navigation. It has a similar feature set but a smaller screen than the Editors’ Choice Dell 27 USB-C Monitor (P2720DC). They both have very good color accuracy, a full range of ergonomic features, and a generous port selection, plus both support automatic daisy chaining of a second monitor.Default setup was moderate overall. There was a reasonable gamma, being measured at 2.10 average overall and being a bit too low from our target of 2.2. This was lowest in the darker tones (2.07 average) which could lead to a little loss in shadow detail. The RGB balance wasn’t very good and some of the grey shades looked a little green in colour. You can see the green balance was relatively too high in the middle graph. There was a reasonable overall greyscale colour temp with 6241k measured, being a little too warm but nothing too severe. The white point was very accurate at 6527k though (0% deviance). On the DE model the built-in‘Auto KVM’ feature detects the second connected PC and seamlessly switches controls over. You can view content from both PC sources with Picture-by-Picture (PbP) and Picture-in-Picture (PiP), and use KVM (keyboard, video and mouse) to control both PCs with a single keyboard and mouse. Another potentially useful feature for Dell laptop owners is the power on behaviour of the screen. You can simply press the monitor power button and the power sync feature seamlessly starts your monitor and connected Dell PC, even when the laptop lid is closed. This is only compatible with select Dell PCs and laptops though.
Dell U2520D UltraSharp USB-C 25 Inch QHD (2560 x 1440 Dell U2520D UltraSharp USB-C 25 Inch QHD (2560 x 1440
Asus ROG Swift OLED PG27AQDM April 13, 2023 The new 27″ 1440p OLED monitor from Asus with 240Hz refresh rate, a custom heatsink and 1000 nits HDR brightness Vychutnejte si věrnou reprodukci barev na tomto 25" monitoru s rozlišením QHD a velkým barevným pokrytím. The greyscale accuracy was poor though, and as we said some of the shades looked a little green in colour. We had a greyscale average dE of 4.7 here which isn’t very good. For an average office user there is probably no major problem here, the screen still looks good visually. It is bright out of the box at the default 75% brightness setting (255 cd/m2 measured), so that will need to be turned down. We had a decent contrast ratio for an IPS panel of 980:1 by default too which was close to the spec. The U2520D handled both still and moving images well. Colors looked reasonably true and rich, and both contrast and dynamic range were spot-on. Our sample videos looked sharp and fluid, and showed a modest improvement in contrast with the Movie HDR setting enabled. A Whiz at Image HandlingVýjimečné barvy: Získejte široké pokrytí barev díky 95% pokrytí prostoru DCI-P3 – zhruba o 25 % více než u sRGB – pro skutečnou reprodukci barev. Tento monitor nabízí také 99% pokrytí barevného prostoru sRGB a 99% pokrytí prostoru Rec. 709. The U2722D/DE use an IPS technology panel (panel part LG.Display LM270WQ8-SSA1) and offers a 2560 x 1440 (Quad HD) resolution. There is a wide colour gamut promoted which offers a 95% DCI-P3 coverage, along with 100% of the sRGB space. The screen also comes factory calibrated, with a report provided in the box confirming it has been calibrated in the sRGB and Rec.709 preset modes. In other specs there are typical IPS performance metrics like a 5ms G2G response time (in ‘fast’ mode), 1000:1 contrast ratio, 350 cd/m2 brightness, 178/178 viewing angles and 10-bit colour depth. Ports shown from the DE model, some are not included in the lower cost D model Doposud jsem používal pro práci UltraSharp U2412M, který byl také vhodný pro tisk fotografií. Model UltraSharp U2520D má o něco vyšší rozlišení a je "širokoúhlejší", takže předpokládám lepší práci s fotografiemi a videi.
U2520D and U2520DR, differences? | DELL Technologies U2520D and U2520DR, differences? | DELL Technologies
Dell claims color-gamut coverage of 99 percent of the sRGB color space, the standard color space used on the web and in many other applications, out of the box. The U2520D surpassed that, covering 99.9 percent of sRGB.The buttons make it easy to navigate through the OSD. You can change color space, input source, brightness, contrast, and a host of other parameters. Note that if you daisy-chain a second monitor, you will first want to enable the MST setting in the Display menu. It Nails the sRGB Color Space Zvukový výstup 1 port linkového zvukového výstupu*** ***Výstupní linkový audiokonektor nepodporuje použití sluchátek. dE colour accuracy – a wide range of colours are tested and the colour accuracy dE measured. We compare these produced colours to the sRGB reference space, and if applicable when measuring a wide gamut screen we also provide the accuracy relative to a specific wide gamut reference such as DCI-P3. An average dE and maximum dE is provided along with an overall screen rating. The lower the dE the better with differences of <1 being imperceptible (marked by the green area on the graph), and differences between 1 and 3 being small (yellow areas). Anything over dE 3 needs correcting and causes more obvious differences in appearance relative to what should be shown Přednastavená obrazová plocha (vodorovně × svisle) 553,0 mm × 311,0 mm 21,77" × 12,24" 171 983,0 mm2 (266,57 palce2)
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