Amd 7970 stock fan temps? nvidia gtx 670 stock fan temps?

1) Hi, i want to know the temperature of amd 7970 (reference version) idle temps and max temps and how much could you overclock it?
2)And also i want to know the temps of nvidia gtx 670 reference version idle temps and max temps and how much could you oveclock it.
I will be using a single monitor..
3)And is it worth getting the dual fan over the reference version, and can i still install watercooling to the card if you dont get tbe reference version?

4) Which card should i buy 7970 or 670?

(A little off-topic question)
I think that i will be buying a i5 2500k, will it bottleneck if i get like these high end cards?
Which processor should i buy i5 2500k if i buy that i will oc it as high as i can with xspc rasa 750 rs360, or i5 3570k,i will overclock that one aswell if i buy it, i just can't make my mind up, any advice ( it will be for gaming)
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More about 7970 stock temps nvidia stock temps
  1. Both are "non-reference" cards:

    Asus 7970 DCII

    Asus 670 DCII

    Performance comparison:

    Guru3D uses the following games in their test suite: Hard Reset, COD-MW2, Far Cry 2, ANNO 1404, Metro 2033, ANNO 2070, BFBC2, BF3, Crysis 2, AvP, Lost Planet 2. Total fps (summing fps in each game @ 1920 x 1200)are tabulated below along with their cost in dollars per frame single card:

    670 DCII Cu cost $420 and gets 999 fps resulting in a cost per frame of $0.42
    7970 DCII Cu ost $415 and gets 924 fps resulting in a cost per frame of $0.45
  2. Right now, that's not a very helpful 7970 vs 670 comparison.

    For one thing, keep in mind that the 670 TOP is unavailable on newegg and amazon.... it is not available $420 right now, so that recommendation doesn't work so well at the moment. Cheapest I can find it is $440 which basically puts it at the same price/performance in your methodology.

    Also, that 7970 is not overclocked out of the box, so while it's good for temps/noise, it's not a helpful performance comparison. there are plenty of overclocked models around the $420 mark that will perform better out of the box. Comparing an overclocked 670 to a stock 7970 skews things a little bit...

    As to OPs question - I think it's worth getting a non-reference card either way you go. If you buy a nice 7970, you can hope for around 1200 MHz on your overclock. I'm a little less sure what average 670 OCs are... probably something like 1100 base and 1200-1250 boost.

    When overclocked, the 7970 will edge out an OCd 670 slightly in terms of performance.

    A 2500k will not bottleneck. As to which you should buy, I'd say just look at what games you want to play and figure out if the 7970 or 670 performs better in them, because while on average they are very similar sometimes a game favors one or the other.
  3. It's usually not a good question to ask about load temps without also taking into account load noise. Most cards will target a certain temperature and calibrate their fan noise accordingly, depending on whether they are going for low noise/higher temps or low temps/higher noise. In general, when using similar coolers, the GTX 670 wil run more quietly and cooler than a 7970 from the same manufacturer.

    One thing is certain, the GTX 670 uses a more efficient GPU that generates less heat and uses less power. When overclocking is added to the equation, the 7970 will increase its generation of heat, noise, and power consumption at a faster rate than the GTX 670.

    The GTX 670 will overclock to higher levels than the 7970, but the 7970 has an advantage in overclock scaling to yield slightly better returns per additional clock. Overall, any way you cut it, these cards will perform for all intents and purposes essentially the same in any stock vs. stock, overclock vs. overclock scenario you can devise. The main differences will come when you look at performance in specific games and in the particular features of each individual card.
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