<blockquote>
  <p>I have one computer with windows 8.1 13.11 driver and a 280x which
  gets 720KHS and another computer with the same setup which gets
  620KHS.</p>
  
  <p>They have a different cpu ram and psu (both have quality ones).</p>
  
  <p>How can this be?</p>
</blockquote>

<p>It's because they have a different ram. With scrypt mining RAM is of up most importance. The faster/higher quality the ram, the faster you can mine.</p>

<p>Scrypt was made to require ram so it would slow down the over all hashing power and to resist asics.</p>

CC BY-SA 3.0
2014-01-10T11:22:04.057Z
as far as I know, Cgminer uses the gpu ram. and  i had on that computer win7 and it mined at 707 KHS but i had no temps or fan speed and could not overclock.
Amit Raz
CC BY-SA 3.0
2014-01-10T12:53:33.030Z
So I have Reinstalled the 13.12 driver and not I am at 718KHS which is good enough :)
Amit Raz
CC BY-SA 3.0
2014-01-10T07:31:29.547Z
2014-01-10T07:31:29.547Z
Joe White
<p>I have one computer with windows 8.1 13.11 driver and a 280x which gets 720KHS and another computer with the same setup which gets 620KHS.</p>

<p>They have a different cpu ram and psu (both have quality ones).</p>

<p>How can this be?</p>

<litecoin><mining-hardware><hashpower><mining-setup><scrypt>
Same setup different hash rate
Amit Raz
# Same setup different hash rate

(Asked by: username_0 on 2014-01-10)

I have one computer with windows 8.1 13.11 driver and a 280x which gets 720KHS and another computer with the same setup which gets 620KHS.

They have a different cpu ram and psu (both have quality ones).

How can this be?

**Tags:** litecoin, mining-hardware, hashpower, mining-setup, scrypt


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## 1 answers

### Answer by username_1 on 2014-01-10. Score: 1

> I have one computer with windows 8.1 13.11 driver and a 280x which
> gets 720KHS and another computer with the same setup which gets
> 620KHS.
>
> They have a different cpu ram and psu (both have quality ones).
>
> How can this be?

It's because they have a different ram. With scrypt mining RAM is of up most importance. The faster/higher quality the ram, the faster you can mine.

Scrypt was made to require ram so it would slow down the over all hashing power and to resist asics.

> **Comments:**
> **username_0**: as far as I know, Cgminer uses the gpu ram. and  i had on that computer win7 and it mined at 707 KHS but i had no temps or fan speed and could not overclock.  
> **username_0**: So I have Reinstalled the 13.12 driver and not I am at 718KHS which is good enough :)  

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