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***Official GTX 670 thread***

JAKUS said:
You may find it falls over under water....depending how cool it runs ;)

(I do not have any way of keeping 100% load temps below 60c so it would be interesting to see if the boost clock keeps extending every 10c below that)

Personally I think the boost is more trouble than it's worth, especially if you are trying to optimise clocks/stability.
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That's true, hadn't thought of that. I hope they release a back plate too to give the memory chips on the rear a bit of cooling.
 
JamesM said:
That's true, hadn't thought of that. I hope they release a back plate too to give the memory chips on the rear a bit of cooling.
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I would not worry too much about memory cooling if the GPU and VRM's are water cooled, I don't think this newer memory gets that hot and a bit of airflow across it may be just as good heatsinks... remember heatsinks don't really actively cool without something else cooling them ;)
 
.:MBK:. said:
crazy moment, i currently have a 4870x2, however I am currently sizing things up for a total systems overhaul. budget restraints prevent me from going mental so i was just wondering how much of a real world difference there would be stepping to this card
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4870x2 is around 5870 speed and the GTX 670 is about twice as fast as the 5870, so a big performance increase.
 
.:MBK:. said:
crazy moment, i currently have a 4870x2, however I am currently sizing things up for a total systems overhaul. budget restraints prevent me from going mental so i was just wondering how much of a real world difference there would be stepping to this card
Click to expand...

Zero, except for the latest games and things like Crysis . It's not really a good bang for the buck over something like a good GTX580.
We all know it's always the same with expensive new stuff though :D
 
Hi, I'm new here. I just got two Galaxy GTX670 GCs (or KFA2 in UK) and will SLI them in a couple months. Right now I'm playing old and less demanding games so I use only one card just to save on the electrical bill.

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The card works great at the same level of my first 670 (Asus DCII top), which suffered from red screen issue and I returned it for these two. However, Galaxy 670 GC is a little bit hotter (77c in full load, 35 in idle) and produces a hissing noise when shifts from idle to load (I think people call it coil whine, don't know why.) I found a video on youtube showing that Gigabyte is also the same, only louder. So I guess this is normal for 670, right? Apart from that it works perfectly; no freezing or red screen so far

One more thing, I'm also afraid that the temp would go too high in SLI that the card can't bear. I use Corsair 600T with mesh window and put a powerful 120mm fan (90cfm) in front of the card to blow into it. Without the fan and mesh windows the temp rise to 83c in full load.

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JamesM said:
Still don't think i've reached the limits of the core yet though, just bumped it up 1250 in game and it's still running fine and temps are staying around 65 degrees at the moment on a close quarters BF3 map.
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Was it the £30 difference as to why you bought the KFA2 over that of the "better" overclocked version with the larger PCB etc...?
 
Partially but also my long term goal was to put the card under water (providing a full cover block would be released). Didn't see the point in spending extra for a card which came with a better cooling solution if I was going to get rid of it anyway.

Was a gamble as to whether the reference card would overclock the same as the larger PCB models and so far it looks as though it keeps up pretty well. Apart from memory which I seem to be limited to +350.

Even if it didn't go much further on water, i'd have a card that was silent and runs my main game (BF3) at 90+ fps on High settings (prefer higher FPS than eye candy) with adaptive vsync enabled on a 120Hz monitor so overall i'm very happy and probably won't need to upgrade for a while.
 
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You make some good points, in your cooling situation. I'm torn between the Windforce I can get for £339 or the KFA2 OC for £330. There are pros and cons for each I suppose. It seems that OC has the only stock of the KFA2 OC edition, not that makes it a bad thing but actual user opinion to be found is a little sparse.

I do tend to like the Gigabyte cards, they tend to be well cooled and quiet with an excellent UK support and three years warranty. The Windforce seems to clock very well. The KFA2 is just a little unknown to me.
 
If I was in your boat, then I'd get the Windforce. Everyone raves about them and they are good cards from what i've seen. That said OcUK have some stonking deals on the KFA2 cards at the moment and I believe they have UK support also?

The reference cooler is loud, I run mine at 80% when gaming to keep the thing as cool as possible and if I didn't use headphones I'd be moaning about the noise a lot more.
 
With my HX850 PSU and a quiet CPU cooler for my 3570k I am quite sensitive to any extra noise from the system. Believe it or not that is one reason as to why I like my SSD drives, just ordered another Samsung 256GB for my Steam folder.

Thanks for posting about the reference cooler I can only imagine it being louder with the overclocked edition.

I wish that OC were a little cheaper with their Windforce pricing.
 
Do you reckon my temps are ok for 2x GTX 670 windforce in SLI?

Running the heaven benchmark the temps for the top card hit 80C, bottom card hits 67c.

Playing Crysis 2 the top card hits 74 and the bottom 64.

The difference in temps between 1 and 2 cards inside the machine is pretty big. 2 cards adds about 10c to my cpu idle temps :)
 
Pinky Floyd said:
Do you reckon my temps are ok for 2x GTX 670 windforce in SLI?

Running the heaven benchmark the temps for the top card hit 80C, bottom card hits 67c.

Playing Crysis 2 the top card hits 74 and the bottom 64.

The difference in temps between 1 and 2 cards inside the machine is pretty big. 2 cards adds about 10c to my cpu idle temps :)
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I get a big 10-12c gap in temps between my 670 SC 4gb cards anf thats with a 140mm blowing cool air towards the fan inlets. Considering getting some EK VGA Supreme and add them to my WC loop and keep a slow moving 140mm fan on the side to cool VRM's
 
KillBoY_UK said:
I get a big 10-12c gap in temps between my 670 SC 4gb cards anf thats with a 140mm blowing cool air towards the fan inlets. Considering getting some EK VGA Supreme and add them to my WC loop and keep a slow moving 140mm fan on the side to cool VRM's
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Cheers, as long as my temps are nothing to get overly worried about.....
 
Vimes said:
You make some good points, in your cooling situation. I'm torn between the Windforce I can get for £339 or the KFA2 OC for £330. There are pros and cons for each I suppose. It seems that OC has the only stock of the KFA2 OC edition, not that makes it a bad thing but actual user opinion to be found is a little sparse.

I do tend to like the Gigabyte cards, they tend to be well cooled and quiet with an excellent UK support and three years warranty. The Windforce seems to clock very well. The KFA2 is just a little unknown to me.
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If you want to find out more information/reviews about the KFA2 OC, do a search for "Galaxy GTX 670 GC".

For example:

 
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Vimes said:
...ah good point. I hadn't reckoned on the OC cards coolers being better than the ones used on the reference card.

Found this...

Gigabyte...



KFA OC edition

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You can't compare the acoustic results from two different sites though. They won't use exactly the same method to measure the sound so they become irrelevant. I have the gigabyte 670 and me personally, I can't hear the fan at all until it reaches around 47%. Even at 50% it's not an intrusive sound. Very quiet card and very cool running too. The kfa2 card runs hotter than the gigabyte and the gigabyte also has cooling for the vram. My card during bf3 gameplay never gets above 60 degrees, normally its about 57 degrees and fan speed in only 38%. Highly recommend this card.
 
there is no comparison, the temps vs noise vs oc vs warranty all favour the gigabyte

mine will bench 1355mhz core and 3800mhz memory!

2204 in heaven using settings specified in the other thread here.

max temps 62c max fan 61%, practically no noise at all.
 
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