OLED displays aren’t new, but they’ve been on a bit of a hiatus over the last couple of years. A new crop of OLED laptops is now arriving, and the first we’ve tested is HP’s Spectre x360 15 convertible 2-in-1 sporting Samsung’s latest 15.6-inch AMOLED panel. Compared to traditional LCD technology, OLED promises superior colors to go with tons of brightness and contrast, making the Spectre x360 15 a photo editing dream. HP sent us a $1,900 Best Buy configuration that equips an 8th-gen Whiskey Lake Core i7-8565U CPU (a 15-watt chip), 16GB of RAM, a 1TB solid-state drive (SSD) backed up by 32GB of Intel Optane memory, and an Nvidia GeForce MX150 CPU. Of course, that 15.6-inch AMOLED display is on board, in a 4K (3,920 x 2,160) resolution. You can configure the laptop at HP.com to select the color and SSD, with the price starting at $1,630 ($1,580 on sale) for 256GB of storage. HP made a conscious decision to ship the AMOLED display exclusively in the less powerful version of the Spectre x360 15. If you want the “power” version with a 45-watt six-core Core i7-8750H CPU and Nvidia GeForce GTX 1050 Ti Max-Q GPU, then you’ll have to live with the standard IPS 4K panel...