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Overclocking HD4850

Last response: in Graphics & Displays
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February 26, 2010 12:34:26 AM

I have a SAPPHIRE 100245HDMI Radeon HD 4850 512MB and was wondering how much can I overclock it. If I need a good cooler, what should I get?

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February 26, 2010 12:46:50 AM

If your mobo supports it you might want to put the money toward a 2nd 4850 and run in crossfire.
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February 26, 2010 12:57:09 AM

Just to let you know here is my system specs

AMD Phenom II X4 955BE
GIGABYTE GA-790XTA-UD4 AM3
Corsair PC3-16000 4GB Kit 8-8-8-24
SAPPHIRE 100245HDMI Radeon HD 4850 512MB
Samsung F1 500 gig
Antec EarthWatts 500watts
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February 26, 2010 12:59:39 AM

I wish i could buy another one but i don't have anymore money :( . So overclocking is my best bet.
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February 26, 2010 1:10:16 AM

that looks good. I heard something about passive cooling is that any good?
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February 26, 2010 1:15:49 AM

with those speeds, do you see any significant improvements in frame rates?
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Best solution

February 26, 2010 1:38:10 AM

ok. my monitor is at 1920x1080. I am testing with Furmark 1.8. The MSAA is at 4x, and ran for 30s.

OCd: 875 pts.
Stock:777 pts.

so, i guess a 12.6% improvement. (875-777) = 98, and then 98/777 = 12.6

when the MSAA was increased to 8x, scores were identical. Max temps after those 30s was about 40C.
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February 26, 2010 2:42:40 AM

Best answer selected by pakardbell486dx2.
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