We've looked at the Dell Latitude 7400 next to the trusty previous-gen 7490.

Brief summary:
Pro of 7400:
  • Sleek, thinner and lighter design, metal option
  • Privacy webcam shutter; embedded fingerprint reader into the power button
  • More display options (e.g. privacy / low power display)
  • Processor with a higher single-core performance


Pro of 7490
  • Better port selection: has 1x extra USB 3 port, Ethernet port & sims tray
  • The rubberised casing feels warmer in the winter
  • Dual trackpad input
  • More accessible cost (has been out for longer)