When you have to transport your laptop to another location, do you find it cumbersome and heavy? Thankfully, manufacturers are making the newer models lightweight. There are discrepancies when we look at them, though. Often times a laptop will be advertised as being lighter in weight and then when you read the fine print they weigh 5 pounds or more.
Personally, I feel that to be considered lightweight a computer laptop needs to weigh 4 pounds or less. There are models by different companies that fit that criteria that get really good ratings, too.