The EliteBook 840 has a better processor family than most laptops that have been on the market for a similar time to it. This HP portable PC has an Intel Core i5 processor family, whereas most notebook PCs that came out around the same time as it have an Intel Core i5-5xxx processor family. Across all similar spec portable PCs that have been around for around the same time as the EliteBook 840 the best processor family is Intel Core i7-3xxx and the worst is Intel Core i7-6xxx.
We compared this portable PC to all the other notebook PCs that have an Intel Core i5 processor family and we think because of it's better review score, the Lenovo Flex 2 is also worth considering.
If you want a notebook PC with a better processor family then you might want to consider the Macbook Pro Mid 2014 Retina (£1,999.00) (Intel Core i7), or the MacBook Pro Early 2015 Retina (Intel Core i7) both from Apple or the Sony VAIO Duo 11 (Intel Core i7-3xxx) which also has a higher rating.