The HP ZBook 17 has a maximum display resolution of 1920 x 1080 pixels. That's 98% more display resolution than a 1366 x 768 pixels notebook PC, which is the most frequently found display resolution.
A 1920 x 1080 pixels display resolution is actually the best display resolution across all many processor core laptops that have been around for a similar time to the ZBook 17.
Across comparable types of notebook PC the worst display resolution is 1366 x 768 pixels.
It may also be worth also looking at one of the other laptops that have a display resolution of 1920 x 1080 pixels currently available including the N56VJ, or the U500VZ (£649.99) both from Asus which has a better Rating.