4 ms·My laptop (Dell D830) is 1920x1200 in 15.4": 147 PPI. I love it. I'd buy 2560x1600 at 15.4" if I could.by staunch 16y agoMy laptop (Dell D830) is 1920x1200 in 15.4": 147 PPI. I love it. I'd buy 2560x1600 at 15.4" if I could.