It wasn't sarcasm to me

, and no it is not 2560x1440. There is no 1440p. It doesn't exist as a standard. "p" is meaningless unless there is a contrasting "i" version, and it doesn't help anybody know what resolution you're talking about since you just dropped with width information. If you don't like writing out the numbers, you could call it QHD, which is a standard definition. Your "4K" TV is also likely not 4K, but UHD. Marketing departments screw up everything for everyone, though