Thursday, February 22, 2018

Laptop power supply unit compared to PC power supply unit


PC power supplies are relatively huge compared to those used with laptops.


But why is this so when a laptop today can have an equal level of performance as a high end PC?


Are they both switching power supplies or is the laptop PSU something completely different?


Also, why is it that a laptop power supply does not need a cooling fan but a PC one does?


And is there some serious difference in electricity consumption that one should factor in when deciding on whether to buy a laptop or a PC?


Answer



Laptops don't have an equal level of performance as a high end PC. Even high-end laptops generally use different CPUs, different memory, different GPUs, fewer drives, and so on. High-end laptops have larger power supplies, close to the size of desktop power supplies.


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