9 UWQHD monitors review: wide, wider, widest

9 Ultra wide QHD-monitors on the test bench


Test results brightness and contrast

We compared nine 34-inch UWQHD-monitors. As always, we tested the monitors straight out of the box. In the graphs on this page and the next we indicate the curved monitors with a red bar; the non-curved monitors have a blue bar. 

Brightness max.

The maximum brightness is important for being able to use a display in bright environments. We measure this in candela per square metre (cd/m²), which was previously also referred to as "nit". The rule of thumb is that 200 candelas per square metre is sufficient. For office environments the threshold usually is 250 cd/m². 

All models are ample bright, with the Samsung leading the pack.

Brightness min.

The minimum brightness is a good indication for how rich in contrast a display is. After all, a decrease in minimum brightness has more influence on the contrast ratio than an even larger increase in maximum brightness. Since TFT panels always feature a light source, achieving a brightness of 0 cm/m2 is almost impossible. Only VA screens are able to get close to that. 

This is where the VA-panels (HP, Samsung) clearly separate themselves from the IPS-panels. Noteworthy for HP as for Samsung is that the measured minimum not extraordinarily low - we are used to seeing better of the VA-technology. Nevertheless the difference is evident.


As mentioned before we are unfortunately unable to do a checkerboard-reading with these panels in our test. We will have to keep to the maximum contrast. Again we see the VA-panels taking the lead, otherwise predictable values of about 1000:1. Dell scores the lowest, but beware: this is a calibrated screen and in our experience this is always at the expense of the maximum contrast. In the end it is not bad at all.

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