Young Brunette Girl With A Laptop Strips On The Couch In The Living Room

Some manufacturers work around this performance problem by using desktop CPUs for laptops.
Upgradeability
Upgradeability of laptops is very limited compared to desktops, which are thoroughly standardized. In general, hard drives and memory can be upgraded easily. Optical drives and internal expansion cards may be upgraded if they follow an industry standard, but all other internal components, including the motherboard, CPU and graphics, are not always intended to be upgradeable.