So better than some IPS-type models, weaker than others but very much as specified. This isn’t a strong stuttering and isn’t something you’ll generally notice or find bothersome unless you’re frequently passing the boundary. No saturation losses towards the bottom or edges as you’d see from other panel types. This reflects another significant reduction in perceived blur due to eye movement. The colour gamut of the AW2521HF (red triangle) was compared with the sRGB reference colour space (green triangle), as shown in the image below. The total depth of the monitor including stand is ~252mm (9.92 inches) with the screen sitting just under an inch from the front edge of the stand. Nonetheless it is still there as the overdrive is tuned for strong 240Hz performance rather than strong <100Hz performance. Perhaps unsurprisingly, the monitor provided an excellent performance in all cases, with no noticeable weaknesses. Finally, note again that you can go to ‘Game Enhance Mode’ in the ‘Game’ section of the OSD to activate the ‘Frame Rate’ feature. Responsiveness (General) Personally, I'm not particularly opposed to it either way, but it's definitely not as lovely as AOC's slim, black and red C27G2ZU. Some models are specifically validated as G-SYNC compatible, which means they have been specifically tested by Nvidia and pass specific quality checks. The video below shows the Lagom text test, a mixed desktop background, game scene and dark desktop background from a variety of viewing angles. You can choose any of the first 3 game presets available. Details can be found in. Some appreciate the extra saturation and strong vibrancy of a more generous gamut, but we feel a decent balance is struck here with a bit of extra saturation and good richness throughout the screen.On Shadow of the Tomb Raider things were also presented in a rich and natural way. At a basic level, a mismatch between the frame rate and refresh rate can cause stuttering (VSync on) or tearing and juddering (VSync off). Reasonable contrast, in-line with expectation, strong gamma consistency and a pleasing luminance adjustment range‘IPS glow’ eats away at detail, particularly near bottom corners. Some game engines will also show stuttering (or ‘hitching’) for various other reasons which won’t be eliminated by the technology. In contrast to models with G-SYNC modules, which feature variable overdrive that re-tunes things dynamically to a wide range of different refresh rates.As things dipped even further, below the 48fps (48Hz) floor of operation for FreeSync, the monitor employed LFC (Low Framerate Compensation). There is a list of GPUs which support the technology here, with the expectation that future AMD GPUs will support the feature too. The AW2521HF supports FreeSync Premium via DP 1.2a and HDMI 2.0 on compatible GPUs and systems. Colour reproduction The camera, processing done and your own screen all affect the output – so it doesn’t accurately represent what you’d see when viewing the monitor in person. Either way, where the frame rate drops below the floor of operation a frame to refresh multiplication technology (what AMD refers to as LFC) kicked in to keep tearing and stuttering at bay. It’s possible newer Nvidia GPUs, including their RTX series, support this expanded range or it may have just been misreported on the website. Although not nearly as pronounced or obvious as stepping up from 60Hz to 144Hz (or even 120Hz).For the lowest levels of perceived blur it’s also important that the monitor performs its pixel responses rapidly. The USB port to the left, as viewed from the rear, supports fast-charging. Preset Mode= Game 1R Gain= 100%G Gain= 88%B Gain= 68%Brightness= 38% (according to preferences and lighting). But this is due more to uniformity on our sample than viewing angle behaviour. This is explored alongside the OSD itself in the video below. It still provides useful visual demonstrations and explanations which help reinforce some of the key points raised in the written piece. It’s something that will be more pronounced if you’re sitting closer to the screen, are using a high brightness setting or have strong backlight bleed or clouding which can bring it out more noticeably. Both our responsiveness article and the G-SYNC article linked to explore the importance of these two elements being synchronised. Shade representation using SpyderCHECKR 24The image below shows a printed reference sheet of 24 ‘sRGB’ shades, included as part of the Datacolor SpyderCHECKR 24 package. Additional testing was performed using an AMD Radeon 580 and using HDMI, although observations for this table didn’t significantly vary between GPUs or inputs. The following observations were made. In this case, overshoot (inverse ghosting) including some colourful bright ‘halo’ trailing due to aggressive pixel overdrive. We’ll therefore just focus Battlefield V for this section. This reference screen shows no noticeable ‘powdery’ trailing but a little overshoot instead.With ‘VRR off’ the ‘Super Fast’ and moreover ‘Extreme’ settings show strong overshoot in the form of bright ‘halo’ trailing. Also note that the listed refresh rates are the same via suitable versions of HDMI and DP and that a ‘4k x 2k, 3840 x 2160’ downsampling mode is not included. ‘IPS glow’ also came with the territory. Donations are also greatly appreciated. The competitive advantage of the 240Hz refresh rate was irrelevant on this title, although we still noticed an edge in ‘connected feel’ and perceived blur on the rare occasions frame rate got up high enough. These are our suggested calibration settings for your Alienware 240Hz Monitor: To make it easier to understand, we have split the settings into different sub-topics. In our view the price is also very reasonable and highly competitive given what’s on offer.The bottom line; strong responsiveness and colour performance from a stylish and well-priced monitor. This indicates a low viewing angle dependency to the gamma curve of the monitor, typical for an IPS-type panel. You’ll also notice ‘G-SYNC Compatible’ listed under ‘Monitor Technology’ in this section, as shown below. Where possible, you’ll be redirected to your nearest store. I didn't see much improvement when I switched over to its Custom Colour preset, either, which was also a bit of a worry. And additional overdrive artifacts with parts of the UFO appearing displaced or ‘over-aliased’. This more pronounced ‘powdery’ trailing was still less pronounced than some of the weaknesses we’ve observed observe for similar transitions on many 240Hz TN models, including the predecessor to this model (AW2518H/HF), ViewSonic XG2530 and AOC AG251FG. Further information on supporting our work. Dell AW2521HF Review Video reviewThe video below shows the monitor in action. More pronounced at the left side due to the ‘glow’ taking on a cool tint rather than the subtler warmer tint towards the right side. Compared to at 60Hz, or indeed a 60Hz monitor, you’re getting up to 4 times as much visual information pumped out every second. Earthy browns appeared with good neutrality – a little extra richness and a slight orange-red push in places but not the sort of stronger red hue that a wider gamut would provide. Earthy browns appeared with good neutrality – a little extra richness and a slight orange-red push in places but not the sort of stronger red hue that a wider gamut would provide. The default is ‘Off, unless application specifies’ which means that VSync will only be active if you enable it within the game itself, if there is such an option. For those who play a variety of games, some competitive and some casual, having a screen that offers a 240Hz refresh rate and good colour quality can be very attractive. There are again varying levels of trailing behind the UFOs due to weaknesses in pixel responsiveness, but this takes a different form to at 60Hz. You should ensure the GPU driver is setup correctly to use FreeSync, so open ‘AMD Radeon Software’, click ‘Settings’ (cog icon towards top right) and click on ‘Display’. Or obvious flashes of pink that shift along with slight head movement.The red block appeared a fairly rich red throughout. The remaining presets make specific adjustments to those and can’t be manually altered. When the frame rate rises above 240fps, the monitor will stay at 240Hz and the GPU will respect your selection of ‘VSync on’ or ‘VSync off’ in the graphics driver. Rather than simply reflecting the pixel response elements.The images below are pursuit photographs taken using the UFO Motion Test for ghosting, with the test running at its default speed of 960 pixels per second. All rights reserved. Contrast in games and moviesThe monitor provided a reasonable contrast performance on Battlefield V. Darker regions on this title include dark tunnels, dimly lit building interiors and some darker exterior locations. We suggest that you stick to Custom Color because it allows for customization of the RGB sliders. Alternatively, static interlace patterns may be seen with some shades appearing as faint horizontal or vertical bands of a slightly lighter and slightly darker version of the intended shade. Not to the extent seen on models with a more generous colour gamut, but enough to stand out and have the intended look overall. In the example of white text against a shaded backdrop, this only occurred at certain grey levels for the background, so not all dark shades would trigger it. 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. We also tested movie content, which was much more limited in frame rate (generally 24fps, 30fps or 60fps). Aquamarine (4) is particularly good at highlighting this relative strength. Percentage deviations between each quadrant and the brightest point are also given. 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. On models with a significantly wider gamut, this shade and candy apple red (14), to name but a few, tend to look significantly more ‘neon’ than they appear here. There was slight extra yellowing at the bottom of the screen but nothing extreme. Any issues identified with FreeSync that were isolated to a specific title would indicate an issue with the game or GPU driver rather than the monitor as well. The Dell Alienware supports a variable refresh rate range of 48 – 240Hz. The very low signal delay of this model also aided the ‘connected feel’, but the very high frame and refresh rate combination also helped. Candy apple red appeared with a bit of an orange-red tone due to extension in the red to green edge of the gamut. Above this dropdown list there’s a toggle for ‘Radeon Enhanced Sync’. With some more noticeable ‘halo’ trailing by about 80fps (80Hz). They also come surprisingly close to the reference screen, with just a hint of ‘powdery trailing’ for the dark background (top row) that isn’t there on the reference. This is shown in the image below, but remember that individual units vary when it comes to uniformity issues such as this. A futuristic ‘sci-fi prop’ look which some will find quite endearing. Even if such dips were very slight, without FreeSync active and VSync enabled they’d cause obvious stuttering. The stand has a ‘penguin-foot’ design with flattened feet and a wide neck piece. Some isolated weaknesses such as bright markers or strongly illuminated objects against some shaded backgrounds leaving a ‘powdery’ trail – but as with our observations in BFV this wasn’t really a major weakness. Together, the monitor certainly didn’t provide a deep and atmospheric look to dark scenes and is more suited to viewing in a well-lit room. We consider either ‘Fast’ or ‘Super Fast’ optimal here, both being very well-tuned and difficult to distinguish from one another in practice. In contrast to models with G-SYNC modules, which feature variable overdrive that re-tunes things dynamically to a wide range of different refresh rates. Unless you’re frequently passing this boundary it’s not something you’re likely to notice or care about, though. The IPS-type panel of the Dell Alienware certainly provided a key contrast advantage over VA and TN models, though. The maximum luminance recorded in this table was 427 cd/m², whilst the minimum white luminance recorded was 33 cd/m². ‘IPS glow’ also came with the territory. There are again varying degrees of trailing behind the object due to pixel response weaknesses. This gives you the best accuracy but with further calibration, you can get better results. Without FreeSync active and VSync disabled, you’d get obvious tearing from the lack of synchronisation between frame and refresh rate. All rights reserved. Learn what a dot or pixel is, what the Premium Panel Exchange is, how to identify a bright or dead pixel on the LCD panel and more. 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. This reflects another significant reduction in perceived blur due to eye movement. The pixel response requirements for optimal performance have increased significantly due to the significant bump up in refresh rate. There are a few black printed elements as well – ‘25’ (identifying the screen size, with a bit of rounding) towards the right side and a broad Alienware logo at the left of the stand neck. This resulted in a more noticeable ‘powdery’ trailing with a greater effect on perceived blur. Further information on supporting our work. Our suggestions regarding use of VSync also apply, but you’re using Nvidia Control Panel rather than AMD Radeon Software to control this. In our view the price is also very reasonable and highly competitive given what’s on offer.The bottom line; strong responsiveness and colour performance from a stylish and well-priced monitor. Testing the presetsThe monitor includes a range of ‘Preset Modes’; ‘Standard’, ‘FPS’, ‘MOBA/RTS’, ‘RPG’, ‘SPORTS’, ‘Game 1’, ‘Game 2’, ‘Game 3’, ‘ComfortView’, ‘Warm’, ‘Cool’ and ‘Custom Color’. A slight reduction in powdery trailing at the expense of a bit of overshoot being introduced was the trade-off when stepping up the level, but the differences were not too profound. It includes blended grey height markers on the inside of the stand neck, from ‘1’ to ‘8’ with each number approximately 2cm apart. For users who wish to disable Adaptive-Sync they can just stick with ‘Fast’ without worrying about strong overshoot, too. As such shades appear much as the developers intend, with a bit of extra saturation in places and a bit of extra vibrancy for some shades. It’s again important to note that individual unit vary when it comes to uniformity and that deviation beyond the measured points can be expected. There were slight weaknesses for some transitions, though these were fairly minor and aren’t something everyone would find bothersome. FreeSync also boasts reduced latency compared to running with VSync enabled, in the variable frame rate environment in which it operates. It was free from alternation between deeper purple and a very strong pink hue that you’d see on VA and moreover VA models. It started to creep in a little bit even at the high double digit to very low triple digit frame rates. The default is ‘Off, unless application specifies’ which means that VSync will only be active if you enable it within the game itself, if there is such an option. The contrast performance was much as we were expecting. The deviation between each quadrant and the quadrant closest to the 6500K (D65) daylight white point target was analysed and a DeltaE value assigned. Dips below this were common. We didn’t readily observe either artifact type at high or relatively high refresh rates (100Hz+). The ‘Fast’, ‘Super Fast’ and ‘Extreme’ settings are all rather similar here. Where possible, you’ll be redirected to your nearest store. This could be reduced by turning up the ‘Response Time’ setting, but as explored earlier with Test UFO you’d need Adaptive-Sync enabled and suitably high frame rates to avoid strong overshoot if doing that. The strong colour consistency ensured shades maintained appropriate richness throughout the screen, without the saturation shifts you’d see on VA or TN models. While I managed to bump up its sRGB coverage a bit to 91.5%, its black level actually increased to 1.54cd/m2, and its contrast ratio remained at a disappointing 234:1. Lagom contrast testsThe Lagom tests for contrast allow specific weaknesses in contrast performance to be identified. Our suggestions regarding use of VSync also apply, but you’re using Nvidia Control Panel rather than AMD Radeon Software to control this. The setting is listed as ‘Wait for Vertical Refresh’. On some monitors, particularly but not exclusively those with high refresh rates, interlace patterns can be seen during certain transitions. This is exactly what the Dell Alienware AW2521HF delivered. We stuck with the ‘Fast’ setting for the subjective testing below. Gamboge (23) verged too much on a mustard yellow without a suitably warm golden hue, too. When a monitor is used in this way, it is something which Nvidia refers to as ‘G-SYNC Compatible’. But this is due more to uniformity on our sample than viewing angle behaviour. So things didn’t have a ‘banded’ or ‘blocky’ appearance as you’d see if gamma was far too low. The average deviation between each quadrant and the brightest point was 7.75%, which is decent. Brighter elements stood out well against darker surroundings, complete with a bit of graininess from the screen surface but nothing extreme. The bottom line; strong responsiveness and colour performance from a stylish and well-priced monitor. Though not the fastest among similar laptops, the multicore score of 9,851 is good enough for all-around productivity and gaming. Aquamarine (4) is particularly good at highlighting this relative strength. The setting is found in ‘Manage 3D settings’ under ‘Vertical sync’, where the final option (‘Fast’) is equivalent to AMD’s ‘Enhanced Sync’ setting. Despite coming highly recommended, if you don’t get the monitor settings right, you won’t enjoy using it. The image was taken far enough back to eliminate ‘IPS glow’. The images below are pursuit photographs taken using the UFO Motion Test for ghosting, with the test running at its default speed of 960 pixels per second. As shown in the image above, the monitor uses the usual RGB (Red, Green and Blue) stripe subpixel layout. The following article provides information about Dell AMD FreeSync monitors which are Nvidia G-Sync compatible. This is an alternative to VSync which allows the frame rate to rise above the refresh rate (no VSync latency penalty) whilst potentially keeping the experience free from tearing or juddering. We have done all the work on your behalf by carrying out several tests and reading through reviews. The stronger overdrive settings are certainly worth exploring if you can consistently maintain a very high frame rate but still use Adaptive-Sync. Colour gamut 'Test Settings' The colour gamut provided just a bit of extension beyond sRGB, injecting some extra vibrancy without the strong saturation of a much more generous colour gamut. Our RX 580 is far from a powerhouse of a graphics card, so maintaining 240fps was very tricky. Finally, note again that you can go to ‘Game Enhance Mode’ in the ‘Game’ section of the OSD to activate the ‘Frame Rate’ feature. WebQuestions and Answers: Alienware AW2521HFL 25" IPS LED FHD FreeSync and G-SYNC Compatible Gaming Monitor (DisplayPort, HDMI, USB) Lunar Light RNHC4 - Best Buy Best Buy Computers & Tablets PC Gaming Gaming Monitors Product Details Questions & Answers See more images The competitive advantage of the 240Hz refresh rate was irrelevant on this title, although we still noticed an edge in ‘connected feel’ and perceived blur on the rare occasions frame rate got up high enough. For users who wish to disable Adaptive-Sync they can just stick with ‘Fast’ without worrying about strong overshoot, too. Strong glare-handling is provided due to significant diffusion of ambient light. This is the default expected by modern operating systems such as Microsoft Windows and Apple’s MacOS. The screen surface imparted a bit of graininess to lighter content, so it wasn’t as smooth as it could’ve been. Or obvious flashes of pink that shift along with slight head movement.The red block appeared a fairly rich red throughout. 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 60Hz we measured a slightly higher but still reasonable 6.47ms. AMD LFC (Low Framerate Compensation) is also supported by this model, which means that the refresh rate will stick to multiples of the frame rate where it falls below the 48Hz (48fps) floor of operation for FreeSync. And the lack of tearing and stuttering was very nice indeed, if you’re sensitive to such things. The greatest deviation from this occurred at ‘quadrant 6’, to the right of this (151.5 cd/m², which is 10% dimmer). The consistency is also very good in most cases, superior to VA models and far superior to TN models (references here). Nonetheless it is still there as the overdrive is tuned for strong 240Hz performance rather than strong <100Hz performance. Brighter elements stood out well against darker surroundings and the detail levels for most of the screen were appropriate. AMD LFC (Low Framerate Compensation) is also supported by this model, which means that the refresh rate will stick to multiples of the frame rate where it falls below the 48Hz (48fps) floor of operation for FreeSync. The ‘Fast’ setting only showed a relatively small amount of this, whilst the ‘Super Fast’ and ‘Extreme’ settings ramped this up. Subscribe to the Rock Paper Shotgun Daily newsletter, One of the few 25in, 240Hz gaming monitors with full G-Sync Compatible certification, Good range of ports that are easy to get to, Height-adjustable stand has loads of tilt, swivel and rotation to get a good angle, Its IPS panel isn't quite as accurate as I'd like, More expensive than larger 240Hz monitors. Gsync is enable (idk what it does but its on) and freesync (i have a intel cpu) is on and my monitor is on Extreme (just changed it). ), Best Picture Settings for Sony Bravia 4K TV, The Best Picture Settings for Your Samsung KS8500 TV, The Best Picture Settings for Your RCA LED55C55R120Q, The Best Picture Settings for Your Hisense U7G, Best Equalizer Settings for Sony WH-1000XM4 [Top Tips], Best settings for Alienware 240hz monitor, Color Temp User – Green 100, Red 98, and Blue 97. The USB port to the left, as viewed from the rear, supports fast-charging. The ‘connected feel’ and perceived blur took a real hit here, but the technology did its thing to get rid of tearing and stuttering all the same. As with AMD FreeSync this technology worked very well, although there was a momentary stutter when it activated or deactivated. The following observations were made from a normal viewing position, eyes ~70cm from the screen. The first couple of blocks blended into the background well, which is usual for a monitor tracking the ‘2.2’ gamma curve correctly. The ‘Response Time’ setting or Adaptive-Sync status didn’t affect these observations. The strong colour consistency ensured shades maintained appropriate richness throughout the screen, without the saturation shifts you’d see on VA or TN models. Thanks! And twice as much when compared to 120Hz or 1.67 times as much compared to 144Hz. Strong consistency due to IPS-type panel, without the perceived gamma and saturation shifts associated with TN or VA panels. This model uses a ‘regular’ (medium) matte anti-glare surface. Black highlights indicate the highest white luminance, lowest black luminance and highest contrast ratio recorded. It also imparted an obvious green tint, with a relatively strong green channel. The ~1000:1 static contrast being somewhat limiting in that respect. There was no noticeable dithering.Performance on the white saturation test was good. It shouldn’t be too difficult to understand or sort out on your monitor. Considering video content more broadly, including streamed and heavily compressed content, there was suitable masking of ‘compression artifacts’. Vegetation showed appropriate variety and included some reasonably rich-looking forest greens alongside a good variety of more muted shades. Donations are also greatly appreciated. To maximise colour accuracy within the sRGB colour space, for colour-managed workflows, full calibration and profiling with a colorimeter or similar device is recommended. We imagine this will get a lot of use … We wouldn’t recommend using them unless created for your specific unit using your own calibration device. The numbered ‘Game’ presets gave a significantly higher white point and somewhat stronger green channel with everything set to ‘100%’ than under ‘Custom Color’. Responsiveness in games and moviesOn Battlefield V the monitor provided a very fluid experience, where the frame rate kept pace with the 240Hz refresh rate. When you open up Nvidia Control Panel, you should then see ‘Set up G-SYNC’ listed in the ‘Display’ section. The numbered ‘Game’ presets could also be used as a base as they offer the same flexibility. Quite ‘gamery’, but in in a less aggressive and sharp-lined or flashy colourful way than usual. This feature is used regardless of VSync setting, so it’s only above the ceiling of operation where the VSync setting makes a difference.To configure VSync, open ‘AMD Radeon Software’. This was by no means extreme and not everyone will notice it – many Adaptive-Sync models have much stronger overshoot than this following such refresh rate drops, in fact. Screen surface imparts a bit of graininess to lighter contentStrong pixel responsiveness overall, low input lag and Adaptive-Sync working well with both our AMD and Nvidia GPU Finally, note again that you can go to ‘Game Enhance Mode’ in the ‘Game’ section of the OSD to activate the ‘Frame Rate’ feature. We’ve highlighted some of the key ‘talking points’ of this model in blue below, for your reading convenience. Bracketed numbers in our analysis refer to shades on the printed sheet or right side of the screen if they’re ordered consecutively from top left to bottom right. The backlight is therefore considered ‘flicker-free’, which will come as welcome news to those sensitive to flickering or worried about side-effects from PWM usage. As factory defaults but somewhat warmer with a slight green tint and slightly higher brightness. The images below show the refresh rates available in the native Full HD resolution. This diffusion also affects light emitted from the monitor, with a negative impact on the clarity and vibrancy potential of the screen. The greatest deviation from this occurred at ‘quadrant 6’, to the right of this (151.5 cd/m², which is 10% dimmer). A very slight ‘shadowy’ trail behind the UFO, but overall rather similar to the ‘Fast’ setting in appearance. Nonetheless it is still there as the overdrive is tuned for strong 240Hz performance rather than strong <100Hz performance.
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