That depends solely on the temperature of the laptop I assume. It could probably make it a few years mining in someone's freezing cold garage, but likely wouldn't last a week in a typical mining space with high ambient temperatures. I can't think of a faster way to get a laptop to destroy itself, so there's that...
I get that GPUs are hard to find and laptops with RTX 3060s are readily available, but purchasing one to mine with is a bad idea and a sure fire way to be that guy who lost money while everyone else makes fortunes from crypto.
I disagree, they all have at least a 1 year warranty. So you could mine for at least a year and certainly would pay off the laptop and then some. Then could sell it and turn a hefty profit.
People seem to have misgivings about laptops, mind you these gaming laptops were meant for high loads over many hours. Mining Eth wont put in half the heat that the CPU + GPU at 100% utilization would.
You are wrong, so I assume you have very little mining experience. A 1 year warranty doesn't mean the laptop will last a year, it means after you burn out the laptop in a week, you can send it in for a replacement and after a great deal of waiting will eventually get another laptop. When you also destroy that laptop, you might get some pushback on trying to get another warranty replacement. If they do accept, you'll likely get a notice that this is your last replacement. So you find yourself with a couple of dollars of ETH, no laptop for weeks at a time, no warranty, and likely on a path to destroying this laptop as well. Given the lack of thought behind the purchase, I'm guessing it would be made using a credit card and you'll also be in the hole for interest and a long time of payments with nothing coming in from the destroyed laptop.
As for how I know you're wrong and have very little mining experience... No miner who has ever operating a rig would think that playing games on your laptop would produce more heat than mining. That's something a gamer would say who has experienced a hot laptop on their lap while gaming but never operated a miner. So I guess I'm curious why you are giving bad information that you very obviously know nothing about. Are you just trying to make posts here, or are you deliberately giving horrible information in an attempt to troll someone into destroying a laptop?
I know that you dont have any experience, because you'd know that most laptops share a heatsink with the CPU. so when gaming, they definitely DO put out a lot more heat than just mining Eth alone.
How do I know? I measured power at the wall (kill - a watt) and used an infrared gun to monitor temps. My personal gaming laptop (Acer Nitro 7, 1660 Ti) has been mining 24/7 with NO ISSUE whatsoever. As we know, Eth is mostly memory intensive, so the GPU actually stays very cool around 60C (during gaming it goes MUCH higher due to sharing heatsink with CPU).
So long as your temps are decent, and it has good airflow, then there should be no issue. You can also monitor for hot spots with an infrared temp gun and deal with accordingly if needed. Obviously there are many different gaming laptops so everyone's experience will differ a bit, but if you go into it cautiously and monitor temps (plus good airflow) then there is no reason a laptop will suddenly "burn up". Mind you these were made for gaming which puts a much larger wattage load on the laptop.
I actually ran a mining farm in 2017, I really think you are showing your ass to everyone right now. I wont be responding to you again, because ive said what I have to say. If you feel differently, thats fine. But my own personal experience will trump whatever you think you know.