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Radeon HD 6950 Into a 6970 With a BIOS Hack

by - source: Tom's Hardware US

Free performance!

AMD's freshly released Radeon HD 6950 and 6970 are the new leaders for the chipmaker's graphics offerings.

Interestingly, both graphics parts are based off of the same Cayman core. We're not talking about just the same underlying technology, but apparently the cores are the same in both graphics parts. The only difference is the software that's flashed on the BIOS.

It turns out that those who have a Radeon HD 6950 can simply reflash their graphics card BIOS to enable those dormant parts of the GPU.

The process is outlined by TechPowerUp, so click through to check out how to unleash more power out of the Radeon HD 6950.

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stingstang 12/28/2010 10:39 PM
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It would explain why their prices are so close to each other. This really is a fantastic breakthrough, until the new drivers stop allowing this.

borisof007 12/28/2010 10:40 PM
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scook9 12/28/2010 10:45 PM
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this used to work on nvidia cards too, now they laser cuts the SPs to prevent it

rmmil978 12/28/2010 10:49 PM
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scook9 :
this used to work on nvidia cards too, now they laser cuts the SPs to prevent it



It still works on some GTX 465s, that's a pretty new card.

Harby 12/28/2010 10:50 PM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?



You're clearly not old enough to remember ATIs 9800GTs into XTs BIOS mods.
Plus, what's the fail about it? Did you maybe buy a 6970 and now you feel cheated out of 70 bucks?

zackh411 12/28/2010 10:52 PM
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Its not a fail, its just chip binning. Unlock at your own risk, there is a reason the chip in your 6950 went into a 6950 and not into a 6970.

9450392956 12/28/2010 10:57 PM
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Whoa cool....
Getting a HD 6970 at lower price

tmk221 12/28/2010 11:00 PM
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Quote :Unlock at your own risk, there is a reason the chip in your 6950 went into a 6950 and not into a 6970


you don't risk much since 69xx series has double bios ;D one that you can change and one pernament.

I wonder why they made it so easy to mode that card...

borisof007 12/28/2010 11:06 PM
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misry 12/28/2010 11:08 PM
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borisof007 12/28/2010 11:09 PM
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apache_lives 12/28/2010 11:16 PM
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Harby :
You're clearly not old enough to remember ATIs 9800GTs into XTs BIOS mods.Plus, what's the fail about it? Did you maybe buy a 6970 and now you feel cheated out of 70 bucks?



9500 (not 9550) softmod to 9700?

randerson 12/28/2010 11:28 PM
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Chip Binning is not a fail. The chips on the 6950 might not have passed their quality control for a reason. Although at the end of the original article it seems that most will unlock without any problems

warmon6 12/28/2010 11:39 PM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?



You need to visit the forums more often my good friend. :P That thing still going on as we speak.

AM3 Smeprons and be unlocked to dual cores

Athlon II x3 can be unlocked to x4's

Phenom II x2/x3 and be unlocked to x4's

Phenom II x4 xxxT can be unlocked to x6's (although these X4 T's are OEM cpu's last i checked.)

It's really not a fail to have hardware unlocked to something better. It in fact has turned into more of a selling point.

Although as we all mentioned on the forums, unlocking a cpu is not going to happen. If you bought something like a tri-core cpu, you should expect it to run as such and think of it as a bonus if it does unlock.

borisof007 :
It is a fail when there's no countermeasures put in place by AMD to stop this sort of thing. Regardless of whether the chip itself was binned to be a 6950 over a 6970. This happened before with their CPU's, and it just seems like they don't care enough to do anything about it, or they didn't invest enough time/money to prevent this sort of thing from happening.



Oh amd has tried to prevent but i think they given up on such as everyone (including motherboard makers) have fought back.

http://www.tomshardware.com/news/g [...] ,8015.html

http://lmgtfy.com/?q=AMD+blocks+core+unlocking

Another reason why they probably dont appear to being doing anything about it, Have you though about whats going to be coming Sometime mid next year?

Bulldozer. Maybe there wont be unlockable cores as it is an cpu thats been changed around that cores aren't like what we know of them now.



But anyways, why keep on getting on AMD back about this stuff. Intel and Nvidia does this as well.

GTX 465 into GTX 470

Pentium Gxxx into a core i3 via buying some card for a paticular brand (like gateway) at best buy or something the nature of.

Those 2 are the most recent "Unlocking in someway to get better performance" from them. Everyone does this.

liveonc 12/28/2010 11:47 PM
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tmk221 :
you don't risk much since 69xx series has double bios ;D one that you can change and one pernament. I wonder why they made it so easy to mode that card...


Good for customers, good for sales, at your own risk, not even risky, but might not work. The reverse strategy of Nvidia annoying people to promote sales... ;-)

mariushm 12/28/2010 11:47 PM
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boris: It's not a fail if they did it on purpose and someone maybe "leaked" the rumor to techpowerup

It was already announced and rumored before the cards were even launched that 6950 will be in limited number, because the chips turned out much better than they expected so they could make lots of 6970 from them.

AMD makes a good profit from both so rather than have people buy nVidia (close to the price of the 6970) why not sell them 6950 and gain market share/money?

silky salamandr 12/29/2010 12:11 PM
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The 6970 has a 6 and an 8 pin connector and the other one has just two 6 pins. The 6970 has faster memory I believe. I really hope people dont think that theyre getting something for nothing.

I wouldnt be suprised that in 2 weeks after this wave of getting something for free there might be alot of dead cards.

Not hating at all but theres a reason that chips are binned because they couldnt make it. Im sure that AMD is re-advising thier rma guidelines as we speak.

edilee 12/29/2010 12:40 PM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?


The 4th core on those were disabled because they were faulty...it wasn't a trick it allowed them to sell the product. Enabling that disabled core could be done easily but results varied I am sure. Selling one product under several different models is practiced in more hardware areas than most are aware of...CPU's is another area it is done. They stamp them out and the ones able to handle higher clock speeds and be stable are sold as the higher end product. Come on folks this has been done for years.

Flashing the BIOS on video cards voids the warranty but it is a good option if you gain a little performance.

cronik93 12/29/2010 12:40 PM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?




This is such a stupid comment^ If you weren't so damn ignorant you would know that the CPU's were designed like that for a purpose and reason. I mean come on...AMD was advertising the core-unlocking features like a rabid dog for crying out loud...

jerreece 12/29/2010 12:42 PM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?



Yeah but that didn't always work. The question will be whether the 6950 ALWAYS converts to a 6970 or not. If they just disabled cores just to sell it as a lesser product, versus because some cores were funky.

rohitbaran 12/29/2010 12:52 PM
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Good for customers, not so good for AMD, unless they made the locking intentionally weak.

nevertell 12/29/2010 1:33 AM
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This is not fail. It's a marketing WIN!

tc17 12/29/2010 1:42 AM
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There definitely is no "fail" about this. Only a jealous person, or anti AMD person would say otherwise.

soldier37 12/29/2010 1:45 AM
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Meh, waiting on the 6990 4Gb card for my 2560 x 1600 res I game at. Wont have to worry about any sort of flashing of the bios to get more performance.

KT_WASP 12/29/2010 1:46 AM
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mariushm :
boris: It's not a fail if they did it on purpose and someone maybe "leaked" the rumor to techpowerup It was already announced and rumored before the cards were even launched that 6950 will be in limited number, because the chips turned out much better than they expected so they could make lots of 6970 from them. AMD makes a good profit from both so rather than have people buy nVidia (close to the price of the 6970) why not sell them 6950 and gain market share/money?



I also heard this from several sources as well. AMD was having a hard time filling the 6950 segment due to the high yields of 6970 chips. I also heard, a few months ago, that AMD was implementing new Bios in order to bin enough cards to fill the demand for 6950's. Hence they slight delay in launch. Seams like those rumors (which they were at the time) may have had some truth behind them.

KT_WASP 12/29/2010 1:50 AM
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Also would like to add that Ive been following this closely (since I ordered a HD 6950 before knowing about this little trick)and not everyone has had it work for them. So, it is not a 100% guarantee it will work. So, that leaves me to believe some cards were binned as HD 6950's due to the fact they actually failed testing in some way, while a good majority were perfectly good 6970 chips that were bios crippled to fill the segment.

mikem_90 12/29/2010 2:04 AM
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nevertell :
This is not fail. It's a marketing WIN!



BINGO. I'm glad someone here actually is seeing this properly. AMD is probably more than glad to sell either a 6950 or 6970 vs you buying something from Nvidia. The buzz generated about the cards will make them sell better in general.

Considering the cost for the two is likely not too far different, its a Win/Win for both them and the customer.

AMD had been doing pretty good with the black Edition of their CPUs, yet when Intel tried the "unlocked!" models, I didn't hear much buzz at all about them.

This is a good thing.

enzo matrix 12/29/2010 2:16 AM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?


Does anyone not? Didn't think so.

ie. common knowledge fail.

Harby :
You're clearly not old enough to remember ATIs 9800GTs into XTs BIOS mods.Plus, what's the fail about it? Did you maybe buy a 6970 and now you feel cheated out of 70 bucks?


You mean the 9800 pro, I assume?

Kileak 12/29/2010 3:14 AM
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Hopefully this will grab some of the people that were going to be heading over to Nvidia.

More money for AMD means better products down the line, which in turn means better competition which means lower prices, which means more fun gaming with awesome graphics for cheap!!!

sykozis 12/29/2010 3:18 AM
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borisof007 :
AMD Fail, isn't the first time this happened. Anyone remember the triple core into a quad core a while back?



AMD originally disabled the 4th core on the Phenom X3 because the cores were damaged. They didn't try to hide the fact that the extra core could be enabled, but warned that it could potentially cause stability issues.

rmmil978 :
It still works on some GTX 465s, that's a pretty new card.



That only worked on a few early GTX465's that were made using GF100 chips intended for GTX470's. Asus even used it for marketing purposes.

dEAne 12/29/2010 3:25 AM
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That's a breakthrough - quite simple solution.


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