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EVGA 670 FTW Signature 2 or HD 7970 Vapor-X GHz Edition

post #1 of 14
Thread Starter 
Hi,
I wanted to buy a new GPU as my last GPU expired. But I am really confused which one to take "EVGA 670 FTW Signature 2" / "SAPPHIRE HD 7970 Vapor-X GHz Edition".

Can anyone help me choosing one?

NB: I had a bad experience of SAPPHIRE HD 7950 950Mhz, as it died after 3 month frown.gif.
post #2 of 14
Quote:
Originally Posted by tulipdu View Post

Hi,
I wanted to buy a new GPU as my last GPU expired. But I am really confused which one to take "EVGA 670 FTW Signature 2" / "SAPPHIRE HD 7970 Vapor-X GHz Edition".

Can anyone help me choosing one?

NB: I had a bad experience of SAPPHIRE HD 7950 950Mhz, as it died after 3 month frown.gif.

As a single GPU, the 7970 is more powerful (it's a direct competitor to the GTX680) and on top of that, has generally more overclocking headroom, so performance wise it's the best choice.

If you want to go SLI in the future, Nvidia is generally more consistent when it comes to performance scaling, although AMD is now working hard to have the Crossfire working properly on new and big titles.

7970 GHZ will probably also run hotter and louder comparing to the EVGA 670, so this is something to consider, especially when OCing.
Going underwater with the Vapor-X will not be easy as it's not a reference design and there are no full size blocks available for it. If you ever see yourself doing that, it could be better to get a reference design card.
post #3 of 14
Thread Starter 
I am not thinking of SLI / Crossfire right this time and will use a single monitor in 1080p. The fact is 7970 price is around 30$ more, in my area. Is it worthy enough? :-SS
And thx for the suggestion smile.gif.
post #4 of 14
which region are you from ? also fill in your config

http://www.overclock.net/t/1258253/how-to-put-your-rig-in-your-sig

HD 7970 Ghz is faster than GTX 680. and its easily faster than GTX 670 FTW signature 2.
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post #5 of 14
Benchmarks;
7970 vs 670

Beats it on nearly all the benches and is not even OC'ed. My vote is for the 7970.
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post #6 of 14
Quote:
Originally Posted by tulipdu View Post

I am not thinking of SLI / Crossfire right this time and will use a single monitor in 1080p. The fact is 7970 price is around 30$ more, in my area. Is it worthy enough? :-SS
And thx for the suggestion smile.gif.

So get a 7950 and OC. It's a far better deal performance/cost wise.
You are pretty much guaranteed to reach and exceed 7970 GHZ clocks and the 7950 vs 7970 clock for clock is ~5%.
In either case, you probably will not want to go much over 1200MHz without watercooling, as the heat and noise then skyrockets.
post #7 of 14
Quote:
Originally Posted by glina View Post

So get a 7950 and OC. It's a far better deal performance/cost wise.
You are pretty much guaranteed to reach and exceed 7970 GHZ clocks and the 7950 vs 7970 clock for clock is ~5%.
In either case, you probably will not want to go much over 1200MHz without watercooling, as the heat and noise then skyrockets.
Uhm, no. Not any card is guaranteed to reach such high overclocks really. Don't buy a card based on its overclocking capabilities as you could probably end up with a card that doesn't overclock so well.
To OP, single monitor 1080p you probably won't need to crossfire or SLI as the 670 and the 7970 are strong enough. If you like applying heavy texture mods to games like Skyrim, you might want to get the 7970 as it has 3 GB of VRAM vs the 2 GB of the 670, which could be toppled with so much texture mods, unless you can get the 670 4 GB for cheap which I highly doubt.
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post #8 of 14
Thread Starter 
Quote:
Originally Posted by glina View Post

So get a 7950 and OC. It's a far better deal performance/cost wise.
You are pretty much guaranteed to reach and exceed 7970 GHZ clocks and the 7950 vs 7970 clock for clock is ~5%.
In either case, you probably will not want to go much over 1200MHz without watercooling, as the heat and noise then skyrockets.

So you are suggesting 7950 because I intended to go on 1080p? Not a bad idea :-?
But can you tell me how much performance upgrade will I experience using 7970 instead of 7950?
post #9 of 14
Quote:
Originally Posted by tulipdu View Post

So you are suggesting 7950 because I intended to go on 1080p? Not a bad idea :-?
But can you tell me how much performance upgrade will I experience using 7970 instead of 7950?

I suggest 7950 because it's more bang for your buck. Once running at the same clocks, 7950 is on average only 5% slower (depends on application) comparing to 7970. A part of the shaders are disabled on 7950, otherwise these are exactly the same chips.
And despite what Skorpian says, the chance to get a 7950 which wont reach 1050 MHz core is near zero.

It should also be mentioned that 7970 GHz runs at a higher vcore (1.25V default).
The average voltage unlocked 7950 will reach 1200+ MHz with 1.25V.

There are two reasons to get a 7970 - you want a reference design PCB 7970 for watercooling (which is a great idea) or you want an awesome card such as the MSI Lightning or Asus Matrix Platinum which are only available in 7970 flavor.
post #10 of 14
tulip, in most games it is the cpu not the gpu that needs to be oc'ed. in bf3 MP, i have to oc my cpu to 4.5GHz leaving the gpu at stock to maintain 60 minimum. i play at 1080, ultra with 4msaa. same goes with c2. c3 is a different animal.

edit: i'm referring to my second intel rig.
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