My current PC GPU is a strix 3080 12gb. At stock, full load it'll draw over 400w. I undervolt (not underclock) mine and get that down to like 330-350 with the same performance. I found that at stock settings, even wth the great cooler on this card, it would get to where it'd start throttling and I'd lose performance. Cooler cards will hold their boost clocks. Less wattage=cooler. Same rules apply for CPU too. But there are limits to that. Cut the power back too far and you'll crash. Like running an engine too lean. Wth electronics, the opposite is true if you run too hard. Too much voltage=higher watrage=more heat. Chips get too hot they either throttle or straight up crash. Takes time finding that balance. No single set of settings as everyone's setup is different. Problem with laptops for this is cooling. They just aren't set up for it for one and the mobile chips do not necessarily =the their PC counterparts.
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