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 Gfx - Stock speed outperforms OC speed, GeForce 7900GS

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lohwenli
post May 7 2007, 02:57 PM

Penang Overclockers Club
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971 posts

Joined: Aug 2006
From: Penang


QUOTE(VT-Ten @ May 7 2007, 11:09 AM)
FYI, I'm using;
CM Extreme power 430W
Gigabyte GA-8I945PL-G
2GB KVR 533
Galaxy Geforce 7900GS 512MB
Pentium D 3.0 (CPU speed was at stock when the above test was performed. So, I'm pretty sure i got enuff power supplied from PSU)

Pls help..... thx
*
Hmm, I'm not too sure that you have enough power..the CM extreme power DOES put out a full 430W (from a very detailed review by johnnyguru), but a Pentium D 3.0 takes up over 100W even at stock speed. 7900GS takes up around 80W+ at stock, I don't know about when its overclocked. Add the rest of the system (another 60-100W) and its already almost 300W at stock. It -might- just go over the top when the 7900 is overclocked, or at the very least the voltages will start to fluctuate more and more.

I don't think it explains why your 3dmark score is lower though; if there isn't enough power it will crash before the benchmark is finished.

 

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