Markings at GPU

Hi there,
I need to buy a gpu for my laptop and I noticed same gpus have some different markings.
What difference does it make?
Please see attached files
 

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  • mark2.png
    mark2.png
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  • mark1.png
    mark1.png
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Likely to be indicators for PCB versions (VER 1.0 and VER 1.2). There’s normally not a big difference in such changes but without knowing what GPU it is and for what laptop, it’s impossible to tell.
 
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