It is hit or miss. I own two, the one is flawless (apart from the retention which is the norm apparently in LG displays). The other I have exchanged it 2 times

It is hit or miss. I own two, the one is flawless (apart from the retention which is the norm apparently in LG displays). The other I have exchanged it 2 times and still have issues with many many dead pixels. So in my case 3/4 were bad apples.