viewsonic elite xg270qc review
Where possible, the monitor dynamically adjusts its refresh rate so that it matches the frame rate being outputted by the GPU. This behaves as shown here, so not massively different to the ‘Fastest’ setting without ‘Full Color Control’. The exception to this is where ‘Full Color Control’ is used, leading to the behaviour described earlier. Shadow of the Tomb Raider showcased a similar strong contrast performance. With the ~3000:1 static contrast, we wouldn’t call the darkest shades ‘deep and inky’, especially if viewed in a dimly lit room. The XG270QG reference is much cleaner, as expected, due to its significantly faster panel – although the XG270QC does well with the light background here. These saturation losses are much lower than the vertical shifts observed on TN models. We refer to these as ‘interlace pattern artifacts’ but some users refer to them as ‘inversion artifacts’ and others as ‘scan lines’. A key model we’d compare this to is the AOC CQ27G2(U), which can be thought of as a significantly cheaper but cut-down version of this model. And you can’t use Adaptive-Sync at the same time to help with this. All rows of the UFO Motion Test were used, highlighting a range of pixel transitions between various shades. There is a significant degree of trailing behind the object, however. The manufacturer commented on the review below, Good 100hz VA panel for watching movies and desktop apps, Reviewed in the United States on April 20, 2019. This contrasts with static photos or videos which only reflect weaknesses in pixel responsiveness. The green block appeared a saturated green chartreuse shade throughout, more yellow towards the bottom. Reducing brightness on this model significantly impacted colour temperature, with that becoming progressively warmer as brightness is reduced. In addition to the quantitative testing above, we performed a subjective assessment of the uniformity of a variety of ‘medium’ shades, including 50% grey. The following video shows the Lagom text test, a mixed desktop background, a game scene and dark desktop background from various viewing angles. *48 – 165Hz is the official range claimed, but LFC seemed to kick in below 52Hz in our testing. Unlike some LBL settings, the green channel is weakened somewhat relative to the red channel, which is strengthened alongside a weakening blue channel. There were no obvious bursts of vibrant orange, green or red as you’d see on a TN model. Colour in games and movies 10-bit precision was also employed with the help of GPU dithering, providing the usual enhancement to nuanced shade variety and providing more natural-looking gradients and particle effects in games. This wasn’t as widespread or as pronounced as on some VA models, where a clear ‘smoke-like’ appearance can be introduced. A bit of overshoot at lower refresh rates in particular. The second reference is the ViewSonic XG270QG, a responsive IPS model. Ensure the ‘Enable G-SYNC, G-SYNC Compatible’ checkbox and ‘Enable settings for the selected display model’ is checked as shown below. Including comparisons with a given model where the monitor handles the dithering at some refresh rates and the GPU handles it at others, due to bandwidth limitations. As usual for HDR, the settings available in the monitor are greatly restricted, including brightness, gamma and colour channels being inaccessible. The perceived gamma shifts associated with this meant that these and indeed other blocks became more visible if viewed from a slight angle or so they weren’t in-line with the central region of the screen. We’d have preferred a good strong light behind the monitor that could act as a perceived contrast boosting bias light or at least create an aura around the monitor, but some will still like the system as it stands. Games very nicely. The vibrancy wasn’t as high as we’ve seen in some cases, where the gamut is more generous or on IPS-type panels where saturation is better maintained peripherally. The refresh rates supported when using the monitor’s interpolation were covered at the end of the ‘Features and aesthetics’ section – a maximum of 120Hz. At 144Hz, shown above, the UFO appears slightly narrower and more sharply detailed. Above this dropdown list there’s a toggle for ‘Radeon Enhanced Sync’. And the Dell S2417DG or AOC AG251FG using ULMB (‘Ultra Low Motion Blur’). We’d recommend only activating HDR in Windows if you’re about to specifically use an HDR application that requires it, and have it deactivated when viewing normal SDR content on the monitor. This shouldn’t come as too much of a surprise given the panel similarities. But this was not extreme as indeed the colour gamut doesn’t offer extreme extension beyond sRGB. The image set below was taken with a further increase in refresh rate, to 165Hz with PureXP active. There are many dark shades on this title, with dimly lit areas common. It's very distracting. Another boost, gamma now far too high and many darker shades blend together too readily. Sony GDM FW-900 CRT in LCD form factor? We’ve also included the refresh rate used in Windows and preferred ‘Response Time OD’ setting used for most of the review, just for reference. You can set this between ‘1’ (very mild effect) and ‘100’ (strongest effect) in single unit increments. They may appear as an interference pattern, mesh or interlaced lines which break up a given shade into a darker and lighter version of what is intended. We’d recommend only activating HDR in Windows if you’re about to specifically use an HDR application that requires it, and have it deactivated when viewing normal SDR content on the monitor. The highest recorded contrast ratio was 3015:1, close to the specified 3000:1, using ‘Full Color Control’ which sets all colour channels to their neutral position. But this was very faint and difficult to spot from a normal viewing distance. The pursuit photographs below show another bump up in refresh rate, to 165Hz. Assume any setting not mentioned below, including ‘Contrast’, was left at default. It also works well in situations where users might have a multi-monitor-setup with two of these monitors seamlessly blending from one to the other. The initial fragment is so bold that it essentially melds into the main object. Such an option does usually exist – it may be called ‘sync every frame’ or something along those lines rather than simply ‘VSync’. FreeSync also boasts reduced latency compared to running with VSync enabled, in the variable frame rate environment in which it operates. Where frame rate dipped below ~52fps, the monitor stuck to a multiple of the frame rate with its refresh rate. Now we have the CQ27G2U reference back in the mix to compare with. Similar to factory defaults but somewhat cooler tint to the image. There was also the strobe crosstalk to contend with, as we identified earlier. Aquamarine (4), for example, is quite well-represented if a touch oversaturated towards the top. Our ‘Test Settings’ involved various changes, including a significant brightness reduction, sharpness reduction to correct the obvious over-sharpened default look and very mild ‘Blue Light Filter’. A small utility called SMTT 2.0 was used alongside a sensitive camera to analyse the latency of the XG270QC, with over 30 repeat readings taken to help maximise accuracy. We’ve tested both titles on a wide range of HDR-capable monitors and we know they offer a good HDR experience on monitors that are suitably capable of offering one. Interpolation and upscaling Candy apple red (14) and dark lime green (18) are good examples of this. The photograph shown on the screen is of the actual printed sheet, which has a slight material texture to it. Some game engines will also show stuttering (or ‘hitching’) for various other reasons which won’t be eliminated by the technology. Anyway, it also comes with a 3.5mm audio-out port if you want to use it to connect your external speakers or headphones. The best part about this monitor is that it doesn’t just come with a headphone hook, it also comes with a built-in mouse anchor under the monitor. A 1ms MPRT (Moving Picture Response Time) is specified using the included strobe backlight setting. The rear of the monitor features a mixture of matte black plastic towards the top and glossy black plastic towards the bottom and central region. Not something you might think if you haven’t used such a screen and you’re judging it from what you see in pictures and videos. A 165Hz refresh rate and low input lag, plus FreeSync working nicely to get rid of tearing and stuttering In particular, things were overly sharp, somewhat cool-tinted, oversaturated in a bad way (i.e. This was more pronounced at lower refresh rates, but even at 165Hz we could notice it in places. At a basic level, a mismatch between the frame rate and refresh rate can cause stuttering (VSync on) or tearing and juddering (VSync off). The ‘Fast’ and ‘Faster’ settings were excluded from this analysis for simplicity, as there was just a very gentle progression rather than distinct differences between the settings. But this was very faint and difficult to spot from a normal viewing distance. This sort of solution allows some areas of the image to remain very dim whilst others show brilliant high luminance levels. The additional 2-bit dithering stage is offloaded to the GPU under HDR. We tested various game titles using the feature, but we’ll just be focusing on Battlefield V running at a solid 165fps. We’ll therefore just focus on a single title for this section; Battlefield V. This title offers sufficient flexibility with its graphics settings to allow the full range of refresh rates supported by the monitor to be assessed.
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