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[wccftech] HD 7950 3dMark 11 Benchmark - Page 4

post #31 of 48
Quote:
Originally Posted by OCNExpert View Post

Games benchmarks are more realistic imo. Why people care so much about the 3DMark11 bench?

Most of the time it mirrors real world performance fairly well.
post #32 of 48
What I've noticed on the new 28nm is they over clock well and once you find the wall, that's it. They are not responding to voltage over clocks at all.

Don't get me wrong but the 7970 can do 200Mhz OC awesome actually. I've noticed it has a higher OC in 3DMark11 but in intensive Directx11 real world gaming has to be backed down 50Mhz to not artifact.

Another thing that we're finding out is they aren't getting more than 50Mhz OC bump under water. Hardly any reason to put under water as the cost per perfomance gains dosent justify the money spent.

Another thing is not all the cards are getting 1250Mhz in fact as we all know the OC of every card vary. In real world gaming the 1200Mhz is the top for the new 7970 28nm chips. Again an actual great OC and a success all on its own! Yet don't assume every 7950 will achieve such hieghts as ive seen owners not able to past 1050Mhz, worst case over clocking.

As for comparing it to the 580/6970 it's more of a gauge but by no means what we should be thinking is it's true competition. The real contender has yet to be released by Nvidia. Let's leave the comparing it to old 48nm chips for the time being as the arguments is mostly for ego boosting, 'mine is better than yours'.

I see the 7950 being on par with the 580 realistically. As with any new release improvements should bump a tier. If it didn't it's a failure, which is not the case with the first 28nm series. NVidias 28nm series is yet to come. Stay tuned for the real battle. wink.gif
     
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post #33 of 48
I don't know about anyone else, but my questions remain:

1) price
2) unlockability


From what I can tell, the OC headroom on the 7970s is hit or miss. Some people (see: most of the reviewers) had tons, but I see lots of threads about people not being able to hit 1200 with uber-cooling. Makes me pretty skeptical that we'd see 1200+ numbers on a lower-binned chips.
    
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post #34 of 48
meh 7950, show me the 7990 thumb.gif
post #35 of 48
Quote:
Originally Posted by killnine View Post

I don't know about anyone else, but my questions remain:
1) price
2) unlockability
From what I can tell, the OC headroom on the 7970s is hit or miss. Some people (see: most of the reviewers) had tons, but I see lots of threads about people not being able to hit 1200 with uber-cooling. Makes me pretty skeptical that we'd see 1200+ numbers on a lower-binned chips.

The HD7950 won't unlock. As far as the pricing goes:

3GB Model - $449 - 31st January 2012
1.5GB Model - $399 - March 2012

Reference Model Pictures here.
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post #36 of 48
Quote:
Originally Posted by Hms1193 View Post

The HD7950 won't unlock. As far as the pricing goes:
3GB Model - $449 - 31st January 2012
1.5GB Model - $399 - March 2012
Reference Model Pictures here.

How are you sure it won't unlock? Please elaborate.

The Radeon HD 7950 is based on the same Tahiti core used in the higher-end 7970 except that four of the card's GCN (Graphics Core Next) compute units have been disabled.

The Radeon HD 7970 packs 2048 Stream Processors with a 384-bit memory interface, the Radeon HD 7950 will feature 1792 Streaming processors on a 384-bit interface as well.

A 7970 BIOS flash may unlock the other four GCN's.

I'm just curious if it was opinion or you knew something we didn't? It's yet to be tried as far as I know it hasn't been attempted as of yet.
     
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post #37 of 48
Quote:
Originally Posted by Arizonian View Post

What I've noticed on the new 28nm is they over clock well and once you find the wall, that's it. They are not responding to voltage over clocks at all.
Don't get me wrong but the 7970 can do 200Mhz OC awesome actually. I've noticed it has a higher OC in 3DMark11 but in intensive Directx11 real world gaming has to be backed down 50Mhz to not artifact.
Another thing that we're finding out is they aren't getting more than 50Mhz OC bump under water. Hardly any reason to put under water as the cost per perfomance gains dosent justify the money spent.
Another thing is not all the cards are getting 1250Mhz in fact as we all know the OC of every card vary. In real world gaming the 1200Mhz is the top for the new 7970 28nm chips. Again an actual great OC and a success all on its own! Yet don't assume every 7950 will achieve such hieghts as ive seen owners not able to past 1050Mhz, worst case over clocking.
As for comparing it to the 580/6970 it's more of a gauge but by no means what we should be thinking is it's true competition. The real contender has yet to be released by Nvidia. Let's leave the comparing it to old 48nm chips for the time being as the arguments is mostly for ego boosting, 'mine is better than yours'.
I see the 7950 being on par with the 580 realistically. As with any new release improvements should bump a tier. If it didn't it's a failure, which is not the case with the first 28nm series. NVidias 28nm series is yet to come. Stay tuned for the real battle. wink.gif

i'm pretty confused by this. There are definitely tons of people oc'ing past 1200 with no artifacts at all, and some of the ones with artifacts aren't properly tuning their voltage (ie using powertune instead of afterburner). I wouldn't go by isolated incidents, because afterall you can find tons of 580s users with the very same problems on the NV forum here. Doesn't mean that the 580 is a bad overclocker.

But yeah. I would love to see more supporting data on how well 7950 oc's and how it performs in games compared to the gtx 580. At 399$ it should be a pretty decent value.
Edited by xoleras - 1/22/12 at 10:30am
post #38 of 48
Quote:
Originally Posted by Arizonian View Post


How are you sure it won't unlock? Please elaborate.

The Radeon HD 7950 is based on the same Tahiti core used in the higher-end 7970 except that four of the card's GCN (Graphics Core Next) compute units have been disabled.

The Radeon HD 7970 packs 2048 Stream Processors with a 384-bit memory interface, the Radeon HD 7950 will feature 1792 Streaming processors on a 384-bit interface as well.

A 7970 BIOS flash may unlock the other four GCN's.

I'm just curious if it was opinion or you knew something we didn't? It's yet to be tried as far as I know it hasn't been attempted as of yet.


It's a good guess. AMD would be especially stupid to release cards for way more money, then still have the lower model unlock to the higher one. They may as well stop making 7970's after the 7950 comes out if it unlocks. The first few waves of 6950 were literally 6970's with different stickers. Not saying these definitely won't unlock/flash to 7970's, but I really doubt you'll see such a thing anywhere near as common and easy/low risk as 6950 to 6970 softmod, if at all.
Edited by PureBlackFire - 1/22/12 at 10:36am
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post #39 of 48
Quote:
Originally Posted by Arizonian View Post

How are you sure it won't unlock? Please elaborate.
The Radeon HD 7950 is based on the same Tahiti core used in the higher-end 7970 except that four of the card's GCN (Graphics Core Next) compute units have been disabled.
The Radeon HD 7970 packs 2048 Stream Processors with a 384-bit memory interface, the Radeon HD 7950 will feature 1792 Streaming processors on a 384-bit interface as well.
A 7970 BIOS flash may unlock the other four GCN's.
I'm just curious if it was opinion or you knew something we didn't? It's yet to be tried as far as I know it hasn't been attempted as of yet.

We will know for sure when they arrive but this site which seems to have the first photos of a ref 7950 says 99.9% it wont unlock

http://www.obr-hardware.com/2012/01/world-exclusive-radeon-hd-7950-by-amd.html

My guess is this site which claims to have tested the card and supplied the results used in the OP's new site would have tried to unlock it? I don't know if this Google translate link works.

http://translate.google.com/translate?sl=auto&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fnews.mydrivers.com%2F1%2F215%2F215288.htm&act=url
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post #40 of 48
Yeah, I wouldn't get my hopes up for any unlocks. The 6950 unlocking was probably more of a couldn't meet the demand, so we had to use 6970's until supply was higher kind of thing. Notice how none of the newer ones will unlock. That pretty much says it all in my book. Unless they face the same thing again and have a huge demand for the 50's and can't keep up, we will not see unlocking.

Btw, is the release date given earlier for the 7950's been proven official or just rumored? I am grabbing something new soon as I get my tax return(which should be by the end of the month), wondering if I should hold out or not.
Edited by Strat79 - 1/22/12 at 11:06am
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