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Changing any of the B247Y’s settings switches it automatically to User mode, so that’s where I did my tests and calibration. Adjustment isn’t required, but it will make a small improvement.
Grayscale and Gamma Tracking
Our grayscale and gamma tests use Calman calibration software from Portrait Displays. We describe our grayscale and gamma tests in detail here.
Grayscale tracking runs a tad cool, but with only 90 and 100% brightness touching the 3dE mark, you won’t see a problem in most content. This is impressive performance for a $155 monitor. I noted some gamma anomalies at 10 and 90% brightness, where the values are a tad light.
Calibrating the two-point white balance brought the number down quite a bit with near-perfect results. Only 60% is over 1dE. That’s pro-level performance. Gamma is a tad darker overall, which visually is a good thing.
Comparisons
The B247Y takes second in the out-of-box comparison with a 2.06dE score. This is better than many more expensive monitors can boast. Only the GS27FA measures better. After calibration, the Acer falls to third place but since the highest error is 1.29dE, this is a very tight group of accurate monitors.
Gamma values cover a wider range than the others, with a 0.25 difference from lightest to darkest. But the average stays very close to the 2.2 reference, tying it for first place in the average gamma test. This is excellent performance.
Color Gamut Accuracy
Our color gamut and volume testing use Portrait Displays’ Calman software. For details on our color gamut testing and volume calculations, click here.
The B247Y is an sRGB monitor with a little bonus color in all parts of the gamut triangle. This maintains good balance since no color is more oversaturated than any other. The only error here is magenta, which is a tad bluer than it should be.
Calibration fixes that small issue and puts all the secondaries on their hue targets. The slight oversaturation remains, but that is something that no one will complain about. Though the B247Y doesn’t match the wide gamut of many modern gaming monitors, it makes the most of the color it does have.
Comparisons
Though the B247Y is extra colorful, it doesn’t stray from good color numbers. The default average was 2.35dE and my sample calibrated to 1.76dE, excellent performance. The oversaturation is slight and well balanced, so you won’t see any loss of detail or overblown hues.
The B247Y doesn’t claim to cover DCI-P3, but with 116.41% sRGB volume it is almost as colorful as the first through third place screens. It’s less than 8% behind, which equates to a barely visible difference. I wouldn’t recommend the B247Y for color-critical applications, but it is very well suited to other kinds of work and any kind of play.
Test Takeaway: The B247Y delivers high accuracy for the money and doesn’t need any adjustment for a solid and colorful image. It may not be the best choice for Photoshop, but it is more than capable of getting through other work tasks and delivers a nice picture for gaming and entertainment.
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