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The lowest contrast ratio recorded was 831:1, following the significant adjustments made for our ‘Relaxing evening viewing’ settings. Firstly, for full black to white transition times, it took the AW2518HF just 6 ms to respond, and not far behind was the AW2521HF which took 6.
In this case, overshoot (inverse ghosting) including some colourful bright ‘halo’ trailing due to aggressive pixel overdrive. The following table shows this data, with blue highlights indicating the results under our ‘Test Settings’. As things dipped even further, below the 48fps (48Hz) floor of operation for FreeSync, the monitor employed LFC (Low Framerate Compensation). The monitor provides comprehensive sRGB colour gamut coverage and a bit of extension beyond, but stays well short of extended colour spaces such as DCI-P3. The variable refresh rate range is 48-240Hz, but LFC (Low Framerate Compensation) is supported meaning that below 48FPS, the refresh rate will be multiplied (for instance, 47FPS x 5 -> 235Hz) for smoother performance.Some game engines will also show stuttering (or ‘hitching’) for various other reasons which won’t be eliminated by the technology. It’s also an exceptionally well-made screen with plenty of adjustment potential and decent connectivity. The monitor can also be set to 120Hz – although not documented in this testing, results were very much comparable to 144Hz. Beyond the unavailability of screens, monitors are generally not designed to be disassembled for repair purposes - it's very common for screens to be fixed in place with adhesive. 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.
The perceived blur due to eye movement was also greatly reduced, much as demonstrated with the pursuit photos earlier on. The pastel shades of this movie were suitably varied and muted, whilst vibrant shades such as neon reds and greens appeared fairly eye-catching. 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. It must be remembered that uniformity varies between individual units and you can also expect variation beyond the points measured. Neither of these Alienware models have screen curvature, but the AW2518HF is not ideal for sharing, which is an issue that the AW2521HF ignores completely.It still helps demonstrate some of the relative differences between the original intended sRGB shade and what the monitor outputs, however. 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. This is not yet a must-have feature for gaming monitors but it will be soon and it’s something to bear in mind if you’re considering spending this much on a 24.
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