Which one is better?

my gpu have a g sync right? https://www.bestbuy.ca/en-ca/product/acer-acer-predator-24-1080p-hd-144hz-1ms-gtg-3d-led-gaming-monitor-xb241h-black-orange-xb241h-bmipr/10538262.aspx? is this acer have a g sync? I'm sorry im not that good in computers i only play games