The 16-inch larger screen is more expensive than the smaller 13-inch, of course, but both are excellent machines.
APPLE MACBOOK PRO
The HP Spectre was rated by Laptop Mag as the all-around best laptop for photo editing.
HP SPECTRE X360 15
The Lenovo P1 has a 15-inch 4K display and supports 100% of the Adobe RGB colour space.
LENOVO THINKPAD P1
The OLED screen is 4K. It has a full SD card slot, which should be useful to photographers.
DELL XPS 15 7590
The display is vibrant and the 256GB solid state hard drive will be able to store a generous amount of photos.
MICROSOFT SURFACE BOOK