<p>If you are using ATI Drivers 11.12 or 12.0 or above you need to set the worksize to 64.</p>

<p>Also the new drivers are a bit slower then pre 11.12 drivers.</p>

CC BY-SA 3.0
2012-03-07T17:02:53.607Z
Setting the worksize to 64 didn't help ;/ any other ideas why is this happening?
Bart
CC BY-SA 3.0
2012-02-26T22:58:51.283Z
2012-02-26T22:58:51.283Z
Kevin237
<p>I'm using guiminer with flags -v -f30 -w128 under windows 7 but all i get is 120Mhash/s thats like 75% of what the table shows. Any idea why is that?</p>

CC BY-SA 3.0
2012-02-26T21:44:22.700Z
People, please add a comment when downvoting.
D.H.
CC BY-SA 3.0
2012-02-27T08:14:19.073Z
What's your GPU temp?
David Schwartz
CC BY-SA 3.0
2012-03-06T21:23:06.600Z
34C ..............
Bart
CC BY-SA 3.0
2012-03-06T22:17:47.870Z
54C under load,
Bart
<miner-configuration><gpu-mining>
Radeon HD 6750 running at 120 Mhash/s table shows 167Mhash/s
Bart
# Radeon HD 6750 running at 120 Mhash/s table shows 167Mhash/s

(Asked by: username_0 on 2012-02-26)

I'm using guiminer with flags -v -f30 -w128 under windows 7 but all i get is 120Mhash/s thats like 75% of what the table shows. Any idea why is that?

**Tags:** miner-configuration, gpu-mining

> **Comments:**
> **username_1**: People, please add a comment when downvoting.  
> **username_2**: What's your GPU temp?  
> **username_0**: 34C ..............  
> **username_0**: 54C under load,  

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## 1 answers

### Answer by username_3 on 2012-02-26. Score: 1

If you are using ATI Drivers 11.12 or 12.0 or above you need to set the worksize to 64.

Also the new drivers are a bit slower then pre 11.12 drivers.

> **Comments:**
> **username_0**: Setting the worksize to 64 didn't help ;/ any other ideas why is this happening?  

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