Note that there is always some disparity between how emissive objects (monitor) and non-emissive objects (printed sheet) appear. The representation of shades in this image depends on the camera and your own screen, it’s not designed to show exactly how the shades appear in person. It still helps demonstrate some of the relative differences between the original intended sRGB shade and what the monitor outputs, however. Full profiling and appropriate colour management on the application would provide a tighter match, our intention here is to show what can be expected in a non colour-managed environment.

Another inherent advantage of IPS monitors is their superior color saturation and larger color gamut, which becomes apparent when they are compared to TN panels. This commonality proves to be true in this comparison as well, as we see the Dell AW2521HF outperform the AW2518HF in the Adobe RGB 1998 color gamut by a significant margin. That being said, the latter model does hold its own in regard to the sRGB color space, with Tom’s Hardware claiming it was able to reproduce 99.78% of the sRGB color spectrum, but only 68.42% of the Adobe RGB color space. On the other hand, when measuring the Dell AW2521HF, Rtings.com found it to be able to reproduce 97.7% of the sRGB xy color space (on CIE 1931 xy), and 75.21% of the Adobe RGB xy color spectrum (80.4% in lCtCp). Though its advantage is not of the magnitude one would expect for the typical panel properties, it still does give itself the edge over the Dell AW2518HF.

Đánh giá & Nhận xét Màn hình Dell Alienware AW2521HF 25" IPS 240Hz G-Sync 1ms

The Super Fast and Extreme modes are too aggressive; they push the pixel response time too much, which results in inverse ghosting or pixel overshoot. Full HD resolution is quite limiting in some respects, stand reasonably deep which could be an issue if you have a shallow desk (VESA mounting is an option)

There’s also the Dell Alienware AW2521HFL model with a different color scheme (‘L’ stands for ‘Lunar Light’ whereas the AW2521HF model has the ‘Dark Side of the Moon’ theme). The colors will also remain flawless regardless of the angle you’re looking at the screen, thanks to the 178° wide viewing angles of the IPS panel technology. The high refresh rate and frame rate combination can be particularly attractive for competitive gamers, but also appreciated by fans of less competitive fast-paced action. The Dell Alienware AW2521HF (now designated AW2521HFA in UK and EU) aims to find a nice balance between speed and image quality, combining a 240Hz refresh rate with the superior colour quality of an IPS-type panel. Adaptive-Sync support is included, allowing AMD FreeSync Premium and Nvidia’s ‘G-SYNC Compatible Mode’ to be used. We put this monitor through its paces, seeing how it compares to the more common TN options such as the impressively responsive Acer XN253Q X.

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IPS glow’ eats away at detail, particularly near bottom corners. Screen surface imparts a bit of graininess to lighter content In case you just want to run your monitor at a fixed 240Hz refresh rate or with FreeSync/G-SYNC, the Dell AW2521HF will do just fine! Once you enable this technology, the monitor will change its refresh rate according to your FPS thus completely removing screen tearing and stuttering with imperceptible (~1ms) input lag penalty. That said, when compared with a good 144Hz display, the AW2521H is a minor upgrade designed for a very specific type of player: seriously competitive esports enthusiasts. The 360Hz motion is a noticeable jump from 144Hz and 240Hz, however slight – I ran an ABX test myself – but for most people, it's not worth the few hundred extra dollars it currently costs.

The Final Fantasy XV Windows Edition graphical benchmark looks very nice on the Alienware 25, with natural-looking colors in the green fields and blue skies. The colors could be a bit more vibrant, though, and while the picture is quite bright, fine details in shadows and dark objects occasionally appear a little muddy. The action is nice and smooth, with no noticeable motion artifacts. This is also why TN monitors were almost exclusively used by competitive gamers and tournament organizers alike, as these panels are known to display the least amount of input lag, and have some of the fastest response times when compared to their early IPS or VA counterparts. However, as monitor technology has advanced, these shortcomings have been expiated to a considerable degree with the release of fast IPS, SS IPS, and SVA panels. READ NEXT: The best monitors you can buy today Alienware 25 AW2521HF review: What you get for your money Dell claims the Alienware 25 can hit up to 99% of the sRGB color space. It comes close in our tests, but in Standard mode, the monitor only reaches 96.8% of the gamut, as shown in the sRGB color-space diagram below... Whether it be for competitive gaming on an enthusiast, or professional level, these monitors are both suitable for even the highest competitive standards.

The image below is a macro photograph taken on Notepad with ClearType disabled. The letters ‘PCM’ are typed out to help highlight any potential text rendering issues related to unusual subpixel structure, whilst the white space more clearly shows the actual subpixel layout alongside a rough indication of screen surface. This model uses a ‘regular’ (medium) matte anti-glare surface. Strong glare-handling is provided due to significant diffusion of ambient light. This diffusion also affects light emitted from the monitor, with a negative impact on the clarity and vibrancy potential of the screen. The screen surface has a bit of graininess to it when observing lighter shades, a very slightly ‘sandy’ look to it, if you like. It doesn’t show strong graininess or a heavily smeared appearance, however. The surface texture is quite similar if not a touch lighter than the surface texture used on most high refresh rate ~24” Full HD TN models. Next, in the Nvidia control panel, under the "Display" option on the left, in "Adjust desktop color settings", I set the color channel to "All Channels", increased the Brightness to 72%, lowered the contrast to 25%, and lowered the Gamma to .96. Digital vibrance and Hue were left alone. I've been reading that the best Gamma options are between 1.8 and 2.2 for computer monitors but I couldn't raise the Gamma in the nvidia control panel that high because the entire monitor would appear insanely washed out and no other combo of settings could get rid of that effect. I also used the windows color management tool and the below linked tool while tweaking the settings. It can also only reach 81.1% of the cinema-focused DCI-P3 color space. This isn't particularly high, and can result in dull colors when watching movies.