Interestingly, Asus’ model only has a 26.5-inch viewable display, but both MSI and Samsung are marketing their monitors as 27-inch ones. With all three offering the 0.03ms response times of OLED ...

Asus, Samsung, and MSI have announced their claims for producing the world's first 27-inch 4K OLED 240Hz monitors, all using Samsung's 4th-generation QD-OLED panels.

Asus is using a WOLED panel from LG Display, and it claims the monitor can hit 1,300 nits of peak brightness. Asus has already achieved the brightest OLED we’ve ever tested with the ROG Swift ...

Where Asus hasn't quoted brightness specs, MSI has, with 250 nits full screen and 1,000 nits in a 3% window. Again, that's the same as existing 32-inch 4K QD-OLED models.