The highest display resolution of the ThinkPad E555 is 1366 x 768 pixels. That's 49% less display resolution than the most frequently found display resolution of 1920 x 1080 pixels.
A 1366 x 768 pixels display resolution is actually the worst display resolution across all similar spec portable PCs that were released around the same time as the ThinkPad E555.
Across similar types of portable PC the best display resolution is 1920 x 1080 pixels.
We compared all the other laptops that have a display resolution of 1366 x 768 pixels to this portable PC and we think cheaper portable PCs such as the Acer Aspire E3-112 is also worth considering.