Question Why does my RTX 3080 graphics card only max out at 51Mh/s?

Feb 27, 2021
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I bought 2 laptops for Ethereum Mining:

GIGABYTE AORUS 15G - 15.6" 240 Hz IPS - Intel Core i7-10870H - NVIDIA GeForce RTX 3080 Laptop GPU 8 GB GDDR6 - 32 GB Memory - 1 TB PCIe SSD - Windows 10 Home - Gaming Laptop (AORUS 15G YC-8US2450SH)

After optimizing, I can only squeeze 51 Mh/s out of it. I'm supposed to be getting 91.5 Mh/s.

Is this because these laptops are 32bit and not 64bit?
 

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