What's Important in a GPU?

I need a GPU and I never had one.
So I need to understand whats important about a GPU for my uses
I basically need a new GPU because I need to bruteforce hashes and keys (key generation). (e.g. small size RSA, md5, etc).

The GPU clock speed?
The VRAM?
The memory clock?

Posted Nov 16, 2020, 5:49 PM UTC

113
cholley_doo•

" I need a GPU" - wrong you need a video card. "and I never had one" - wrong, if you have seen anything on a computer screen there was a video adapter involved.

2
Forzix•

You can certainly interpret what he meant by "GPU" and "never having one". I don't see how being needlessly pedantic is helping anyone out.

0
shockterOP•

so you must be the funny one in your family
you dumbfuck I meant that I never had an external graphics card

Also if I need a new GPU how the fuck did you think I was supposed to put it on my computer? fucking building the pcb by myself?
Seems like you assuming everyone is dumb except you, you are nauseating.
Also did you ever heard of metonymy?
you fucking waste your time and mine just to say fucking bullshit instead of trying to be even a bit helpful or productive. Next time keep your comments for yourself.
you remember me how I hate reddit.

-1
CoolDownBot•

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0
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1
ibanezrocker724•

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1
FuckThisShitBot41•

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1
ibanezrocker724•

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1
ibanezrocker724•

Bad bot

1
Forzix•

Honestly, what matters most is going to come down to real-world performance (i.e. benchmarks) Comparing clock speeds and VRAM doesn't have huge impact on actual performance, because most of the performance differences between video cards come from architectural differences (how they designed the actual graphics processing unit on the card).

VRAM might be the only physical attribute of a video card that will have some direct affect. More VRAM doesn't necessarily equal more performance, rather VRAM can become a bottleneck depending on what you're doing with your graphics card.

All in all, best way to figure out what graphics card to look for is to:

  1. Figure out a general budget you're looking to spend ($50-200 for low end stuff, $250-450 for mid-tier stuff, and $500+ for more high end performance)
  2. Check actual performance benchmarks, with sites like anandtech.com, passmark scores, 3Dmark scores, UserBenchmark, etc. That is going to give you good metrics on how certain cards perform, and what tasks those cards do better or worse in.

I can't really comment on what benchmark metrics correlate best with brute forcing key generation, so if anyone sees anything incorrect or misleading for anything above, please feel free to correct me. Hopefully this helps somewhat.

1
shockterOP•

> most of the performance differences between video cards come from architectural differences

wow, I didn't know that, really interesting!

thank you, I'll take a look on that website!

1