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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