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8GB versus 4GB - how to confirm the REAL amount of memory

Question asked by gtownsend on Dec 30, 2019
Latest reply on Dec 31, 2019 by hardcoregames™

Hi, I'm new here. I just purchased a bunch of Sapphire Notro Radeon RX470 OC GPUs for mining and they are supposed to be 8GB cards. They were used from eBay, and came in 4GB boxes, but the serial number sticker on the actual cards "claims" these cards are 8GB GPUs. The thing is stickers might be faked, and I've been stung before purchasing a fake card on ebay where the BIOS had been tampered with to show it as having more memory than it really had. So although they might claim to be 8GB when I fire them up in linux, I can't be sure if they REALLY are unless I run something that actually requires that much RAM. Right now, Ethereum crypto requires 4GB. My 3GB cards stopped working years ago. I bought these because in April 2021, 4GB cards won't work. I can't wait until then to find out. I really need to know right now so I can either keep them, or complain to eBay. Can anyone suggest an experiment I could do (UNDER LINUX, NOT WINDOWS) to determine how much RAM is really on these cards? Thanks in advance.

-gt-

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