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[Lab501] GTX590 VRMs analyzed - Page 14

post #131 of 207
Quote:
Originally Posted by Levesque View Post
Just buy 2X 6990 (or 6990+6970 tri-Fire) with waterblocks and OC them easily over 1000. /Win
Or buy 3 DCII 570s and get better fps even on air./Bi-Winning

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post #132 of 207
Quote:
Originally Posted by Phaedrus2129 View Post
Brutuz: You can't just multiply the forward current rating of the DrMOS chips by the chip's Vcc, or else increasing the voltage wouldn't cause the VRMs to blow up. The voltage going through the fets is constant, but with a higher output voltage they need a higher duty cycle (at .95V they might be on for 20ns, off for 30ns; at 1.1V they might be on for 35ns, off for 15ns. (Arbitrary numbers)). That means that they have to sustain a current for longer, which means more stress on the chips, etc.
Yeah, I get that, I was doing a simplified comparison which kinda shows that the mosfets are rated to barely satisfy the GPU as a whole, whether that's whats causing the death or not.

Didn't help it was ~5am after a night out when I wrote that.
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post #133 of 207
I can't believe people are still taking up for Nvidia on this. Talk about your die-hard loyalist. You'd think they work for nvidia or something. Why anyone stays so far up a companies arse is beyond me. They screwed up, now they will pay in revenue losses and hopefully on fixing the issue(s).
post #134 of 207
Quote:
Originally Posted by PoopaScoopa View Post
Or buy 3 DCII 570s and get better fps even on air./Bi-Winning
Umm, trifire is raping 3way sli right now.
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post #135 of 207
Thanks for explaining about the 570. Repped accordingly.

Thank you.
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post #136 of 207
Just buy a 590 and buy another card. Zombie each 590 gpu with an old/dead/used card and ull add more vr, .
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post #137 of 207
As an Nvidia owner, it's good to see Nvidia slipping up on crap like this and allowing AMD to pull ahead, so maybe with their next cards they'll actually have to INNOVATE....
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post #138 of 207
Quote:
Originally Posted by Shredicus View Post
As an Nvidia owner, it's good to see Nvidia slipping up on crap like this and allowing AMD to pull ahead, so maybe with their next cards they'll actually have to INNOVATE....
This.
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post #139 of 207
Quote:
Originally Posted by Dmac73 View Post
Umm, trifire is raping 3way sli right now.
Not 3 6970s. Must have some new card no one knows about.
post #140 of 207
Quote:
Originally Posted by PoopaScoopa View Post
Not 3 6970s. Must have some new card no one knows about.
Card for card total performance:

3x 6970 > 3x GTX570

/that.

Back on topic please
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