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Leadtek Winfast GT220
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Old 4th November 2009, 12:05   #1
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Default Leadtek Winfast GT220

As almighty JMKe has almost finished his review of this card, he inquired me if I was interested in testing this card under more extreme cooling.

Yes.













From the looks of it, I'll have to look at those two chips.

Datasheet links attached to post.
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leadtek-winfast-gt220-front.jpg leadtek-winfast-gt220-core.jpg leadtek-winfast-gt220-chip2.jpg leadtek-winfast-gt220-mem_chip.jpg
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Old 4th November 2009, 16:24   #2
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Unconfirmed voltage modifications; will test them asap.



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Old 4th November 2009, 17:27   #3
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Without modifications max clocks are:

CORE: 675MHz
Shader: 1450MHz (1500 if mem <900MHz)
MEMORY: 940MHz

01-Nature: 220-ish, without tweaks.
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Old 4th November 2009, 18:14   #4
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Vmods are confirmed. Now running 1.2V Vgpu and 1.8V Vmem.

CORE: 750MHz (800MHz instant freeze)
Shader: 1600MHz (makes NO difference whatsoever in performance)
MEMORY: 975MHz (1GHz runs, but artifacts)
TEMP: < 70°C (still stock cooling)
01-N: 232FPS (most important clock = memory)

Gonna try more voltage
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Old 4th November 2009, 18:26   #5
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1.35V is a bit too much for this tiny cooler; 1.20V to 1.25V should be doable.

As for memory: doesn't scale past 1.8V that much. 1GHz seems to be the max on air cooling.
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Old 4th November 2009, 18:31   #6
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Quote:
Originally Posted by Massman View Post
1.35V is a bit too much for this tiny cooler; 1.20V to 1.25V should be doable.

As for memory: doesn't scale past 1.8V that much. 1GHz seems to be the max on air cooling.
u have the zalman cooler on the 9600GT from galaxy try that one on it, it should fit.
just dont lose any mounting bits!
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Old 4th November 2009, 20:29   #7
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The Galaxy one is awesome (although it's kind of too big - I'll post pics later).

Same voltage as before:

Core (linked) 750 to 800
Mem 955 to 1000
Temp: 80 to 45
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Old 4th November 2009, 20:49   #8
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Quote:
Originally Posted by Massman View Post
The Galaxy one is awesome (although it's kind of too big - I'll post pics later).

Same voltage as before:

Core (linked) 750 to 800
Mem 955 to 1000
Temp: 80 to 45
u mean the zalman ?
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Old 4th November 2009, 21:36   #9
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Yes
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Old 4th November 2009, 22:14   #10
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I believe you still have that more then average good 8400GS too, correct? maybe you should give that one a go too
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