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BenQ ZOWIE XL2730 Gaming Monitor Review

Our main test involves using a DataColor Spyder Elite 5 Colorimeter to assess a display’s image quality. The device sits on top of the screen while the software generates colour tones and patterns, which it compares against predetermined values to work out how accurate the screen is.

The results show –

  • A monitor’s maximum brightness in candelas or cd/m2 at various levels set in the OSD.
  • A monitor’s contrast ratio at various brightness levels in the OSD.
  • The brightness deviation across the panel.
  • The black and white points
  • The colour accuracy, expressed as a Delta E ratio, with a result under 3 being fine for normal use, and under 2 being great for colour-accurate design work.
  • The exact gamma levels, with a comparison against preset settings in the OSD.

Spyder 5 Elite

We first run this test with the display in its default, out-of-the-box state, with all settings on default. We then calibrate the screen using the Spyder software and run the test again.

spyder5 software2

We always test the display subjectively on the Windows desktop, using it for general tasks such as browsing and word processing, and with games as well, even if the display is not intended solely for that purpose. We pay careful attention to any artefacts, ghosting or motion blur, and enable any gaming specific features, such as adaptive-sync settings like G-Sync, using a compatible graphics card in our test PC.

In the case of the XL2730, we performed the primary testing at the native 2,560 x 1,440 resolution in the default FPS 1 preset mode. We also left the monitor at the default 60Hz, before switching up to 144Hz for game testing. Our test system was equipped with an NVIDIA Quadro K2200.

benqxl2730-gamut

The uncalibrated results show a reasonable gamut, with 99 per cent sRGB coverage and decent but not outstanding 78 per cent Adobe RGB.

benqxl2730-brightnessuniformity

Brightness uniformity is relatively commendable, with the top right corner the main worry, although the bottom two thirds on the left are also a little more varied than elsewhere.

benqxl2730-coloruniformity050 benqxl2730-coloruniformity067 benqxl2730-coloruniformity083 benqxl2730-coloruniformity100
Colour uniformity is reasonably impressive, with the slight exception of the bottom middle when at 100 per cent brightness.

benqxl2730-brightnesscontrast

The default FPS 1 setting appears to max out at 250cd/m2, with a 620:1 contrast, which remains reasonably uniform as the brightness is reduced. The white point also remains quite uniform, but very cool at between 12,300 and 12,900K.

benqxl2730-osdsettings
Both the FPS modes offer around 250cd/m2 brightness and 12,800K or 12,900K white point, with a reasonable 620:1 or 590:1 contrast. Switching to RTS mode doesn’t make much of a difference, with a similar brightness and contrast, plus an even cooler 13,000K white point.

The Gamer modes, since we hadn’t populated them yet, were all essentially the same with maximum 350cd/m2 brightness, 840:1 contrast, and 6,800K white point, although Gamer 3 has a higher 890:1 contrast and 6,900K white point.

The Movie mode also ramps up the brightness to the maximum, but with a lower 780:1 contrast and slightly cooler 7,200K white point. The Standard mode isn’t that different, except for a higher 820:1 contrast and mildly higher 7,300K white point.
benqxl2730-toneresponse_gamma1 benqxl2730-toneresponse_gamma2 benqxl2730-toneresponse_gamma3 benqxl2730-toneresponse_gamma4 benqxl2730-toneresponse_gamma5

The five gamma modes exhibit quite a range of tonal response. Gamma 1 goes right down to 1.5, with Gamma 2 at 1.5, and Gamma 3 at 1.8, although the latter’s curve is rather divergent from a standard 1.8 curve. Gamma 4 equates to 1.9, and Gamma 5 to 2.1.

benqxl2730-coloraccuracy

Colour accuracy may not be quite up with the pre-calibrated Samsung C24FG70 out of the box, but the score of 1.71 is still pretty decent. This will be adequate for many types of users.

Nevertheless, next we calibrated the screen using the Spyder to see if this could improve matters even more.

benqxl2730-gamut-calibrated

The colour gamut has actually narrowed marginally, with the same 99 per cent sRGB but a mildly reduced 77 per cent AdobeRGB.

benqxl2730-toneresponse_gamma3-calibrated

We retested with Gamma 3 mode, and this has improved to an almost perfect 2.2, with the curve very close to the norm for 2.2.

benqxl2730-coloraccuracy-calibrated

The XL2730 was already commendably accurate for colour, but after calibration it achieves an excellent 0.78. This is a monitor that is capable of very faithful colour, if adjusted properly.

Overall, image quality is very good indeed. Unlike the Samsung C24FG70, you have to try a little harder to achieve it, but great colour fidelity is available. The 144Hz mode is effective, assuming you have a graphics card that can deliver this. The NVIDIA Quadro K2200 also supports Adaptive Sync as well as NVIDIA G-Sync, and this made a small but perceptible difference to the sharpness of image, as the frame delivery from the graphics card was matched to the screen refresh, negating tearing.

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