Was very much looking forward to this. But I'm curious, how did they manage to squeeze in 4x the pixels for essentially the same price in just under a year? I

Was very much looking forward to this. But I'm curious, how did they manage to squeeze in 4x the pixels for essentially the same price in just under a year? I feel like this might be a mistake or there is going to be a big trade-off somewhere else in display quality.