The monitor also includes a Low Blue Light (LBL) setting called ‘ComfortView’. It’s important to reduce blue light exposure in the hours leading up to sleep, as it’s stimulating to the body and affects sleep hormones. Whilst this setting did tone down the blue channel from the factory defaults and reduce blue light output as a result, it was far from an effective LBL setting. At least on our unit, where the default colour temperature was far too high. It also imparted an obvious green tint, with a relatively strong green channel. This is quite common on LBL settings as reducing the green channel negatively impacts contrast, but in this case it was rather noticeable and you were left with a warmish but very green image. Almost alien-like, you could say. The best thing about the Alienware AW2521HFL is its strong performance in motion handling. The monitor offers excellent control over blurring and ghosting which makes it great for fast-paced competitive titles. This model also has three overdrive settings to further clean up its image output, but we recommend staying with the Fast level. Strong pixel responsiveness overall, low input lag and Adaptive-Sync working well with both our AMD and Nvidia GPU

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I've connect my new AW2521HFLA to my PS5 via HDMI and I'm getting no audio whatsoever.The audio on the monitor is set to 100.Any help would be appreciated. Warmer than factory defaults, but far from ‘Warm’ on our unit with a high colour temperature and cool tint to the image. Input lag is where the Alienware 25 really shines, as it should in a gaming monitor. Using an HDFury Diva HDMI matrix, we measured a 4.1-millisecond input lag on a 60Hz signal, which means an input lag of just over 1ms at 240Hz. That makes the Alienware 25 the fastest gaming monitor we’ve tested to date. The AW2521HFL has one key advantage over the AOC, and that's the size of its panel. Both monitors have a resolution of 1920x1080, but the Alienware's smaller 25in screen means it looks much sharper than its 27in rival. I've always said that 1920x1080 stretched across a 27in screen isn't ideal, as while it's fine for games, it's just not quite good enough for everyday desktop tasks such as browsing the web or typing up documents. Text looks distinctly hazy and pixellated on a 27in 1920x1080 display, and I always feel like my eyes are having to work harder when I do anything other than playing games on these screens.

The Alienware AW2521HFL offers 99% sRGB and around 82% DCI-P3 coverage so the screen is pleasantly vibrant with a balanced level of saturation. Its measured accuracy has a 1.56 delta average which is excellent for a gaming monitor and considerably better than the AW2521HF’s result. Do take note that color accuracy scores always vary between every unit due to manufacturing tolerances, explaining the massive difference between the two identical models. 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. 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.

Alienware 25 Gaming Monitor AW2521HFL - Dell Support for Alienware 25 Gaming Monitor AW2521HFL - Dell

The image appears ‘rich and natural’ overall, with good variety. The gamma is slightly below target, brightening up some shades just a little, but the overall image balance is very respectable. Intended as a Low Blue Light (LBL) setting, but very ineffective. The colour temperature is warmer by default but the blue channel remained strong on our unit and green channel very strong. This gave an unbalanced image with clear green tint, without achieving its key goal. IPS glow’ eats away at detail, particularly near bottom corners. Screen surface imparts a bit of graininess to lighter content It's definitely better than trying to fiddle with its Custom Colour preset, if only because each of its three Gamer profiles give you exactly the same level of control over its dozens of colour options. They're not particularly user-friendly, all told, and Alienware could probably do with chopping a lot of them to make the onboard menu settings easier to understand. Whereas most gaming monitors just give you easy RGB bars to adjust up and down, the AW2521HFL splits them into Gain, Offset, Hue and Saturation, and it's not immediately obvious which settings do what if you don't already know what those individual terms actually mean. Then again, my attempts at calibrating the Gamer preset to try and improve things further didn't actually yield the results I wanted (everything actually got a little worse), so they're probably best left alone anyway. The Alienware AW2521HFL has three main display outputs: two HDMI 2.0 ports and one DisplayPort 1.2 output.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. 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... I’ve been PCMag’s home entertainment expert for over 10 years, covering both TVs and everything you might want to connect to them. I’ve reviewed more than a thousand different consumer electronics products including headphones, speakers, TVs, and every major game system and VR headset of the last decade. I’m an ISF-certified TV calibrator and a THX-certified home theater professional, and I’m here to help you understand 4K, HDR, Dolby Vision, Dolby Atmos, and even 8K (and to reassure you that you don’t need to worry about 8K at all for at least a few more years). Gamers have always known that a good monitor can make the difference between life and death, and especially those who indulge in competitive online gaming. It’s these folk that the Alienware 25 AW2521HF is primarily aimed at, but it’s also good for a bit of sneaky work on the side – which, given the recent move towards home working, is a definite bonus.