WEBVTT

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i don't care what gandalf says you can't shove a full-size graphics card into a

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laptop without pulling some kind of crazy wizardry but even so modern gaming

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laptops still include discreet gpus that can run demanding titles nearly as well

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as desktops in many cases so how exactly

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are laptop makers pulling this off well gpus have benefited from the same things

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all processors have benefited from over the years shrinking transistor sizes

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meaning more computing muscle while simultaneously consuming less electrical

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power you see about 10 years ago mobile gpus were far weaker than their desktop

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counterparts but as the years went on performance per watt increased to the

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point where manufacturers could start fitting gpus with some serious

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horsepower into laptops a good example is NVIDIA's gtx 1080 from 2016 where the

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desktop and laptop versions were basically the same chip but hold on a

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minute even with smaller transistors how does this make sense desktop graphics

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cards are still as beefy as ever and gamers are still putting 700 plus watt

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power supplies into the rigs how in the world can a slim laptop support all that

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power there are a couple things going on here first part of the reason desktop

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graphics cards are so large is because they don't really need to be very small

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to fit in a standard mid-tower case they do require support components such as

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vram and power delivery but you can actually fit these things into a

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relatively small area if need be just look at some of the mini graphics cards

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designed for smaller cases the extra bulk of a desktop card provides power

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delivery and cooling that's superior to what you find in a laptop but it turns

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out many modern gpus don't need huge amounts of power to function for example

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the mid-range rtx 3060 only has a TDP of

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170 watts the reason you see so many desktop power supplies offering between

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600 and 800 watts is to support other

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high wattage components particularly the CPU and because desktop power supplies

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operate most efficiently around 50 percent load so a savvy builder isn't

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going to buy a power supply that she's constantly maxing out so just how much

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power do gaming laptops need we'll tell you right after we thank our sponsor

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offer at the link below oftentimes even high-end gaming laptops

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can get away with having an external power brick that can deliver somewhere

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between 200 and 300 watts of power especially as even though a laptop maker

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might use a GPU that's nearly identical to a desktop variant the mobile version

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usually runs at a lower clock speed with a lower power limit while this means you

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do take a little performance hit with some very high end chips still drawing

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too much power to ever make it into a laptop the lower clock speeds on mobile

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allow you to get near desktop quality results when paired with a lower power

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mobile CPU power bricks for these gaming laptops do tend to be chunkier than the

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compact ones you might get with ultra portables that aren't built for gaming

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but they're still small enough that it's practical to take them with you but wait

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you still need to pay very close attention to what you're buying GPU

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manufacturers are notorious for not keeping their branding consistent

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between generations you know how earlier we mentioned that the desktop and mobile

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gtx 1080s were extremely similar chips

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well this isn't the story for the mobile 3080 which has fewer cores along with

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less vram and NVIDIA simply refers to both of them as rtx 3080 and this is

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just one example of confusing branding so make sure you read reviews so you

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know exactly what level of performance to expect it would be great if the

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powers that be could just make this clearer but why do that when you could

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mislead the consumer instead it's just like how the big mac never actually

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looks like the picture thanks for watching guys hey like the video if you

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liked it dislike it if you disliked it check out our other videos and comment

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