Ahmad Kamran 
Acer has introduced a 55-inch 4K OLED display called CG552K, Whose main features are Adaptive Sync, NVIDIA G-Sync, and 120 Hz refresh rate.
It’s smarter than your average monitor. It has a light sensor installed that adjusts the brightness of the screen according to the environment. The proximity sensors of the monitor detect your presence and automatically switch off the screen when you’re not around.
There are also many connectivity options available, 3 HDMI 2.0 ports, 1 USB Type-C, 2 USB Type-A, 2 Display Port v1.4, and 10W speakers mounted on the bezels of the monitor. Additionally, the panel is 400 nits brightness and has a 98.5 percent DCI-P3 color gamut. The monitor is also well-optimized for most Nvidia and AMD GPUs.
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Alongside with this, Acer also launched two high-end affordable monitors X32 and X38. As the name suggests, Predator X32 is a little brother of CG552K. The display of the monitor is HDR 1400 certification, apart from this, all the specs list are the same.
Predator X38, however, is a little bit different in the series. It is a 37.5-inch UWQHD+ Curved display. The display is VESA DisplayHDR 400 certified, which means you can overclock the refresh rate to 175Hz, with a response rate of 1ms.
