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Belial's Comprehensive Guide to 7950s! - Page 14

post #131 of 311
Quote:
Originally Posted by Souv View Post

lol somewhere else dude.Stay in India for couple of days and then tell which one is best :REF BLOWER FAN/NON-REF GPU

The ref blower style on 7970 sucks. Its the optimal for crossfire setup (if you want to stay on air ) but with 1 gpu any custom solution with 2 fans is way better than this. The difference on temps with blower fan and dual/triple fans is minimal inside the case. Except instead for case airflow you have a sandstorm dunno
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post #132 of 311
As long as your case has sufficient airflow it doesnt make much difference with the GPUs exhausting inside the case. On the other hand, if you have very poor airflow the heat from the GPU is going to drastically increase your case temperatures.
post #133 of 311
Quote:
Originally Posted by Souv View Post

lol somewhere else dude.Stay in India for couple of days and then tell which one is best :REF BLOWER FAN/NON-REF GPU

Comparison:

Reference 7970 overclocked


Case temps:



MSI 7970 Lightning overclocked


Case temps:


The only real benefit of reference is for watercooling (easier to get blocks) and perhaps for multi-GPU, although tbh, I'd still pick the Lightning.
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post #134 of 311
Looking to get another 7950 for cfx, how sure are you that the reference msi 7950 comes with hynix ram?
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post #135 of 311
Quote:
Originally Posted by CrazyElf View Post

Comparison:

Reference 7970 overclocked


Case temps:



MSI 7970 Lightning overclocked


Case temps:


The only real benefit of reference is for watercooling (easier to get blocks) and perhaps for multi-GPU, although tbh, I'd still pick the Lightning.

You just have to see how much ambient temperature they are testing their cards.I said in high summer countries blower fans ref are better options.
post #136 of 311
Does anyone have info of the Sapphire 7950 Flex? I am wondering if it uses hynix ram.
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post #137 of 311
Thread Starter 
In reality you are talking maybe 5-10*C from the worst, XFX DD, to the best Asus 7950. All of these coolers, when you get down to it, are perfectly adequate for light usage like gaming, and terribly inadequate for extremely intensive programs like GPGPU usage.

MSI TF3 is relatively atrocious compared to all the other 7950 models, but absolutely, we are talking only a couple degress behind the Dual-X or PCS+. It's up to you how to interpret this - ie you are gaming so you never need to crank your fans so loud that this matters, you game but want the quietest possible 7950 so go for a IceQx2 or PCS+. It's all trade-offs here.

Sapphire Dual-X for a better/quieter cooler, MSI TF3 if you care more about aesthetics, build quality, and overclockability. If you use GPGPU usage inside a case, the better cooler of the Dual-X is great, if you run out of case, coolers don't much better and the TF3's memory voltage control will allow for significantly higher hash rates.

I'm going to be buying a voltage unlocked gigabyte 7950 off ebay, and simply buying VRM heatsinks and an antec kuhler 620 mod for it for about ~$50, putting the price at $275 ebay card + $50 = 325. That's a fair price for a card that will significantly outperform and outcool the high end Asus 7950 Dc2 or HIS IceQx2 anyways. I think the Asus 7950 DC2 is a great card too, but it's generally more than 275 and it's cooler isn't going to be as good as an h60/620 mod anyways.

I already posted about the FLeX, it uses Elpidas.

And quit spitting that bile about reference coolers being better than normal coolers, someone was claiming the turbo was a good cooler earlier and his posts got removed for being misinformation. They aren't, it makes no logical sense. All 'blower' coolers are doing is restricting the airflow. Coolers that exhaust the air into the case are able to cool the GPU significantly better because they are expelling way more hot air (though it will contribute to CPU temps significantly, though that usually isn't an issue as gaming isn't CPU intensive and even streaming isn't going to be as intensive as stress testing and you dont run the GPU during CPU testing). Also, reference coolers are literally 1/3rd the size of aftermarket coolers... no way it'll cool better:


Edited by Belial - 6/4/13 at 7:53pm
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post #138 of 311
I would like to see if there's another HD7950 that has better cooling than DC2.

My HD7950 DC2T hits 54C max in games and benches like Valley, heaven, 3DMark 11 at overclocked speed 1050/1750MHz (1.050V) and fan hitting 34% max with my fan profile (barely audible).

Warning: Spoiler! (Click to show)
2r7ajw6.jpg


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post #139 of 311
A niche for the PCS+: Australians
it's the cheapest 7950 for us. only $300
post #140 of 311
A niche for the PCS+: Australians
it's the cheapest 7950 for us. only $300
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