Best gaming monitor under £150

That video linked is far from accurate today. IPS and TN are equal across the board when it comes to pixel response times and input lag.

The Asus is using a IPS panel

The Acer is using a TN panel

The BenQ is using a TN panel


I personally would never buy a TN panel today, unless (because of current pricing) I wanted a higher refresh rate at an affordable price. Apart from that, there really is no argument to be made, IPS beats TN everywhere else.