Yes, each block mined/won is set to take a certain amount of time, when hardware is added to speed things up the crypto system compensates by making the mining more complex. Someone adding more/faster hardware increases their chances to get those coins, they might go from controlling 2% of the total computational power to 3.5% if they buy 5,000 RTX 3080's(completely made up numbers). That means they now have a 3.5% chance of getting the coins in every hourly block(or whatever it is now). That is until someone gets their hands on 8,000 6800XT's, then that 3.5% becomes 1.7% and buying more cards is the only way to fix that.
Completely made up numbers, but you get the idea.
During the craziest days of crypto mining, where NOTHING could be bought, I actually snagged a GTX 1050 for MSRP. One place that I didn't even know sold graphics cards said that they were expecting a shipment so I camped that page of their webstore and after a week they suddenly had 1,000+ in stock for MSRP(~$99 including VAT) and I bought that shit so fast... Within half an hour their stock was depleted. That they had them in stock and sold them at that price was so surprising that I didn't actually expect them to honor my order.
I saw this a couple of weeks ago and meant to post it here. Very impressive multi-GPU scaling. Not that many games support it though.
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What's better than one of AMD's new Big Navi-powered Radeon RX 6800 XT graphics cards? Two of them in mGPU mode and benchmarked.
www.tweaktown.com