The Asus TUF VG279QM does not use pulse width modulation (PWM, “Pulse Width Modulation“) to adjust the brightness, so there is no flickering and does not cause headaches for those who are sensitive to this phenomenon. Asus has also integrated a Low Blue Light mode to reduce the emission of blue light.
This monitor manages FreeSync and G-Sync between 48 and 280 Hz and therefore works optimally when the graphics card sends between 48 and 280 images per second. The monitor also supports the LFC which quadruples, triples or doubles the number of images displayed in order to maintain a feeling of fluidity. At 20 frames per second, for example, the monitor operates at 80 Hz and quadruples the number of images. At 30 frames, it operates at 90 Hz. It does not use the LFC between 53 and 280 Hz. The supported range is therefore very wide and covers all uses. To take full advantage of this monitor, you need a powerful graphics card, especially to be able to display 280 images per second. A graphics card likeAMD Radeon RX 5700 XT where the Nvidia GeForce RTX2070 Super seems a minimum and you can even opt for higher performance with certain games. In all cases, the fluidity is there and the image does not suffer from tearing problems (tearing) or jerks (micro-stuttering).
Like the Asus VG29AQ, this screen is one of the rare models on the market to allow activation of the black image insertion system via backlight scanning (ELMB, for Extreme Low Motion Blur) while activating the technologies FreeSync or G-Sync dynamic refresh. This system allows you to enjoy the best of both worlds: the absence of tearing and micro-jerks, while enjoying perfect clarity of moving objects. In addition, the display does not flicker, even below 80 Hz.
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We measured the remanence time at 4.5 ms with the overdrive (“TraceFree” in French in the OSD) set to 80. This value allows to limit the ghosting (“ghost image effect”) while avoiding the effect of reverse ghosting. The Asus VG279QM thus becomes the most reactive IPS screen on the market in front of the Asus VG27AQ. In comparison, the latter displays a remanence time of 8 ms. With its remanence time, the Asus VG279QM teases the most reactive monitors equipped with a TN panel like theAlienware AW2518HF 240 Hz flashed at 3 ms, but the IPS panel is much more comfortable thanks to better viewing angles and more marked contrast. We measured the delay in the display (input lag) at 9.7 ms (at 60 Hz). Again this is flawless and there is no lag between the action with the mouse and its impact on the screen.
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