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[G3D] Asus Radeon HD 7970 DCuII Review

post #1 of 55
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Beast as always, not very easy on the eye, but a BEAST never the less.
32 idle and 69 on load
Quote:
Now admittedly it is hard to go wrong with a 7970 anyway as the default aka reference R7970 is already a product with a very high 'like' factor for sure. It performs well and within all parameters like heat and noise it's already doing a terrific job. The customization that ASUS applied to this R7970 DirectCU II edition raises the bar once again. Obviously the overall looks are nice, the DirectCU II cooler however does require a three-slot form factor and while it does bring in much better cooling at roughly the same noise levels as the reference design the sheer site of it might turn away quite a lot of you guys -- it really is huge.

Other then size there's not a lot to nag really, excellent temperatures, even better noise levels (or the lack of it) and a product build out of the best components. For the pro-overclockers out there even a VRM heatsink bridge is delivered with the package for if you need to remove the cooling for say an LN2 session.

Edit: If anyone is wondering about the vrm heatsink its in this pic.
381
Edited by MoBeeJ - 3/14/12 at 11:53am
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post #2 of 55

Not sure how is this news or more like reviews. HD7970 DCI II has been out for months... 

     
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post #3 of 55
and not sure if those temps are any good. I don't think they are tho. Think that Sapphire Dual-X runs as cool and as audible even tho it is a dual-slot card
post #4 of 55
Load seems pretty high
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post #5 of 55
Quote:
Originally Posted by itzhoovEr View Post

Load seems pretty high

I agree. For a massive triple slot card, you'd expect mid to upper 50's under load. If reviews of the Sapphire Dual X are to be believed, it's smaller, runs cooler and runs quieter without needing two 8-pin PCIe power cables. I really am having trouble comprehending how such a massive cooler doesn't do a better job thinking.gif

Seems to me if you're going to try and sell a triple slot behemoth like this, you better be sure it's the coolest card around. Since it apparently loses to the Dual X, it doesn't seem like a very good buy. Maybe I'm missing something?
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post #6 of 55
Quote:
Originally Posted by djriful View Post

Not sure how is this news or more like reviews. HD7970 DCI II has been out for months... 

Because it's the first actual professional review.
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post #7 of 55
Maybe the card that was reviewed had poor contact between the GPU core and heatsink.

From my experience with the Asus DCU II cooler, load temps for high end cards with 200+ W TDPs (like the GTX 570 and 580) should fall in the low 50C range. The 7970 should be comparable to a GTX 580 in terms of heat output, so it makes no sense that the 7970 loads at 69C. I've owned several DCU II GTX 570s and 580s, and all of them showed load temps in the 50C range.
     
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post #8 of 55
Quote:
Originally Posted by Flames21891 View Post

I agree. For a massive triple slot card, you'd expect mid to upper 50's under load. If reviews of the Sapphire Dual X are to be believed, it's smaller, runs cooler and runs quieter without needing two 8-pin PCIe power cables. I really am having trouble comprehending how such a massive cooler doesn't do a better job thinking.gif
Seems to me if you're going to try and sell a triple slot behemoth like this, you better be sure it's the coolest card around. Since it apparently loses to the Dual X, it doesn't seem like a very good buy. Maybe I'm missing something?

I had this card briefly (will be getting it back because apparently they tested it and it wasn't faulty, still trying to figure out what else it could have possibly been). I ran it on 50% fan and here is a screen showing the GPU temp and VRM temps. I've circled the VRM temps because they're worrying - this was after 4hrs idle and 15mins of Heaven. It locked up and something burnt about 5 mins after this screen was taken.

338
post #9 of 55
69C for a triple-slot cooler? that's actually pretty pathetic.

the 7950 TFIII and sapphire twin-fan version both get better temps. if this thing didn't have x6 video connectors then it would it be useless
post #10 of 55
The solution to cooling cards with moderately sized dies or smaller isn't to throw massive heatsinks at them... efficiency needs to be the focus. Plus, PCB/socket strain could become a real issue, even with support. PCS+ and Twin Frozr II/III are better designs, IMO. (But I did love the original DirectCU line for the 5800/6800 series)
     
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