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Help me to choose between these 7970/7950 models:

post #1 of 13
Thread Starter 
It would be great to get feedback about these models:


- AMD Radeon HD 7970 Vapor-X GHz Edition (1000 MHz)

- Gigabyte Radeon HD 7970 GHz Edition OC (1100 MHz)

- Gigabyte Radeon HD 7970 GHz Edition OC (1000 MHz)

- MSI AMD Radeon HD 7950 Twin Frozr OC Boost Edition (880 MHz)

- XFX AMD Radeon HD 7950, 3GB GDDR5, Core Edition (800 MHz)

- Gigabyte AMD Radeon 7950, Windforce (900 MHz)

- XFX AMD Radeon HD 7950, 3GB GDDR5, DD Edition (800 MHz)



Are they voltage locked?

I read luck is the key to get a good oc with these cards, so is it important the default frequency? And the most famous of that group I think its the Vapor one. That´s because it could overclock better than the other ones.


Thanks
post #2 of 13
among all these i would get the GHZ edition. Because it has a higher clock to start with.
The Gigabyte OC version is reported to be voltage locked a lot lately. the sapphire and Gigabyte has very good cooling compared to reference cards. so i would say go with either the 7970 GHZ edition from Gigabyte or Sapphire.
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post #3 of 13
Thread Starter 
Quote:
Originally Posted by Ramzinho View Post

among all these i would get the GHZ edition. Because it has a higher clock to start with.
The Gigabyte OC version is reported to be voltage locked a lot lately. the sapphire and Gigabyte has very good cooling compared to reference cards. so i would say go with either the 7970 GHZ edition from Gigabyte or Sapphire.

thanks thumb.gif
post #4 of 13
for best value for money go with sapphire hd 7950 boost

http://www.newegg.com/Product/Product.aspx?Item=N82E16814202006

if you want HD 7970 go with Sapphire HD 7970 OC.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814202008
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post #5 of 13
One that gives you 3 yr warranty, not hard to work out thumb.gif
post #6 of 13

Steer well away from the XFX models. They were my first choice due to them being cheaper than the rest and I ended up returning two of them, within two weeks, due to faults. Currently waiting on a MSI Twin Frozr III to be delivered, which is generally recommended here as well as the Sapphire Vapor X.

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post #7 of 13
I really like my XFx BE DD 7850 so I would lean towards a XFX brand card with no problem...............
    
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post #8 of 13
Check with new egg and look at failure rates for each card - give you a clue at least but bear in mind the numbers!

A Company that sells 200 cards and a few fail is expected versus 20 sold and a few fail thumb.gif
post #9 of 13
Well I had this dilema too, but I ordered THIS. Just got it on friday.


HOLY CRAP, did I make the right decision. It overclocked to 1100 Mhz and 1500Mhz (memory) instantly with a little voltage bump. I havent put any effort into that, I just bumped it up and played!

But the BEST thing is that it runs around 50-60C with 40-50% fan, and I compared to my 6970 it is silent, I can just barely hear the fan when its at 50-60%, at 100 % its not loud at all, it sounds like all my previous cards when they were on 30-40%biggrin.gif
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post #10 of 13
on the Sapphire 7970 is there any issue with those hot copper heatsink pipes pressed against the motherboard?? when installed those pipes look like they could
touch the board or slot.
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