The ProBook 655 G1 has a maximum display resolution of 1920 x 1080 pixels. That's 98% more display resolution than the most frequently found display resolution of 1366 x 768 pixels.
A 1920 x 1080 pixels display resolution is actually the best display resolution across all many processor core laptops that have been available for more than two years.
Across similar types of portable PC the worst display resolution is 1366 x 768 pixels.
It may also be worth also looking at one of the other portable PCs 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.