The ENVY TouchSmart 15 has a maximum display resolution of 1920 x 1080 pixels. That's 98% more display resolution than a 1366 x 768 pixels laptop, which is the most common display resolution.
A 1920 x 1080 pixels display resolution is actually the best display resolution across all many processor core laptops that were launched around the same time as the ENVY TouchSmart 15.
The worst display resolution amongst similar types of notebook PC is 1366 x 768 pixels.
It may also be worth considering 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.