We've tested over 30 Dell monitors. Dell releases a handful of monitors each year, usually towards the end of the year, and like many manufacturers, some of their most popular models tend to stay on the market for two to three years. Dell monitors range from basic 1080p monitors to the most advanced gaming or professional-grade monitors. Many Dell monitors target office users, and from Dell's website, it's even possible to buy monitors without stands or in kits, which is great if you want a multi-monitor setup on a mounting bracket.
The best Dell monitor that we've tested is the Dell S2721QS. Its large 27 inch screen gives you plenty of space for multitasking, and its wide viewing angles are great for when you need to share your screen with a co-worker or friend. It also has good reflection handling and is bright enough to combat glare, so you shouldn't have any visibility issues in well-lit rooms. Its ergonomics are good, allowing for a range of adjustments so you can set it to your ideal viewing position, and it rotates from landscape to portrait mode. With its 4k resolution and high pixel density, the IPS panel delivers incredibly sharp images and text, which is great for content creators. It also has full coverage of the sRGB color space and decent coverage of the Adobe color space, but its out-of-the-box color accuracy is only okay. It comes with some nice extra features as well, like Picture-in-Picture/Picture-by-Picture and built-in speakers.
Despite being better than most IPS panels, its contrast ratio is mediocre, so it doesn't perform well in dark rooms. While its refresh rate maxes out at 60Hz, it should be good enough for most casual gamers, and it has an excellent low input lag and good response time. It also has native FreeSync support and G-SYNC compatibility, but they only work over a DisplayPort connection. It supports HDR, but unfortunately, it doesn't get bright enough to produce a satisfying HDR experience. That said, this is still the best Dell monitor for work and multimedia that we've tested.
The best Dell monitor with an ultrawide screen that we've tested is the Dell U3818DW. The 38 inch screen and 21:9 aspect ratio makes it easy to open multiple windows side-by-side, and the 3840x1600 resolution delivers clear images. It has Picture-by-Picture and Picture-in-Picture modes, allowing you to display images from two sources at once. It has a USB-C input that supports DisplayPort Alt Mode and four USB 3.0 inputs, including two on the side for easy access. It has built-in speakers in case you don't want to pay extra to get a dedicated setup. It has wide viewing angles, and the curved screen helps you see the left and right edges a bit better. Our unit has one of the best out-of-the-box accuracies we've tested, so you may not need to get your monitor calibrated.
Sadly, it's not a good choice for gaming. It doesn't have any VRR support, and it has a poor response time, resulting in motion artifacts that you may even notice while scrolling through documents. It has a low contrast ratio and doesn't support HDR, which is disappointing if you want to watch some movies on the large screen. You may have to avoid using it in very well-lit environments because it doesn't get very bright, and reflections may get too distracting with direct sunlight on it. On the upside, it has great gray uniformity and has a flicker-free backlight, which helps reduce eye strain for those long office hours. All things considered, if you're looking for a Dell ultrawide monitor for the office, this is the best one we've tested.
The best Dell gaming monitor we've tested is the Dell Alienware AW2521HF. This is an impressive gaming model in Dell's Alienware lineup with a 240Hz refresh rate. Even though the 1080p resolution isn't ideal for office use, it doesn't put too much stress on your graphics card, making it ideal for gaming. The response time at its max refresh rate is incredible, one of the best we've tested on a monitor. It remains excellent at 60Hz, so even though there's no Black Frame Insertion feature, motion looks extremely smooth regardless. The input lag is also really low, and although it slightly increases with VRR enabled, most people won't notice. It has native FreeSync support, and it's certified by NVIDIA to be G-SYNC compatible over a DisplayPort connection.
Sadly, like most IPS monitors, it has a low contrast ratio, and blacks appear closer to gray when viewed in the dark. It doesn't support HDR10 either, but overall, it has a good picture quality. It has wide viewing angles, impressive reflection handling, great peak brightness, and it has good out-of-the-box color accuracy too. It also has some good features like RGB illumination and a USB hub. It's really well-built and has good ergonomics, but the stand has a fairly large footprint, so if you don't choose to VESA-mount it, it takes up a good amount of space on your desk. There's a larger variant, the Dell Alienware AW2720HF, which has a worse response time at 60Hz and a lower pixel density, but you should consider whichever size you prefer. That said, overall the AW2521HF is the best gaming monitor by Dell that we've tested.
ASUS monitors typically have better motion handling and are more gaming-oriented than Dell monitors, offering more advanced gaming features. Dell has a wider range of models and has some available in larger sizes and higher resolutions that are better suited for multitasking.
Dell monitors generally have much better ergonomics than LG and are generally a bit better suited for office use. Most LG monitors we've tested offer better motion handling and more advanced gaming features.
Buying a Dell monitor is generally a pretty safe bet. Like most brands, they vary greatly in performance, but even most cheaper models perform well for most uses.
Dell's lineup ranges from very basic, cheaper models, to more advanced professional monitors. Their naming scheme is very easy to understand, so you know almost exactly what you're getting just by the model number.
Dell model numbers start with a letter, which indicates the series:
This is followed by a two-digit code that indicates the size, followed by two digits that indicate the model year. For example:
Most Dell model numbers end with one or more letters, which are used to identify certain features. This isn't a complete list, but here are some of the most common suffixes:
Dell monitors range from basic, small monitors that are great for students to the most advanced professional displays for photo editing, media creation, or general office use. They also have a few great gaming monitors, but this isn't their main focus. Dell monitors are well-built, and almost all of them have great ergonomics. Dell is very consistent in their design language, with most models sharing a very similar style, and even the UI is consistent across lineups. Usually, buying a Dell monitor is a pretty safe bet.