In recent years, performance laptops with 4K 120Hz and 4K 144Hz screen options have also been launched, as well as middle options with QHD resolution and 165-240Hz refresh, which are a topic for ...

So far, so simple. Next comes 4K, also known as Ultra High-Definition Television, Ultra HD, UHDTV or just UHD. 4K is steadily replacing HD as the TV tech of choice and it’s what you’ll find on pretty ...