https://community.acer.com/en/discussion/689159/im-disappointed-with-my-acer-nitro-5-ana515-57-about-the-less-response-time
I'm disappointed with my acer nitro 5 Ana515-57 about the less response time - Acer Community
When i saw that the Ana515-58 is better than mine(Ana515-57) and there's alot of new features Such as less screen Response time, Higher tgp Watt for gpu 140W...