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Which to keep

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May 10, 2010 6:42:59 PM

I recently had my Sapphire Radeon 4870 X2 HD crash on me so I sent it in for a replacement. While I was waiting, I went and purchased two XFX Radeon 5750 and am running them in Crossfire.

I was wondering if anyone had any advice as to which I should keep? According to the Charts here, the Dual 5750's score better than my 4870 X2, but should I keep them?

Just looking for a little advice.

-Ark

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a c 376 U Graphics card
May 10, 2010 7:21:16 PM

I don't know where you are seeing that but the HD4870x2 should be the faster of those two setups. However the crossfired HD5750 will run much cooler and use much less power while giving you DX11 compatibility.
Personally I would sell both and just get an HD5850 and OC the hell out of it.
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May 10, 2010 7:39:49 PM

I'm really not interested in OC'ing my cards, as I would rather they last a significant amount of time.

If you could point me in the direction of the information about the 4870x2 that you are seeing. From where I sit, it looks like the 4870 is on the losing end of a 5750 Crossfire setup, not even counting the DX11 support and the Eyefinity.
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a c 376 U Graphics card
May 10, 2010 7:59:13 PM

OCing does not shorten the life span of anything unless you are pushing it to the limits into temperatures that are unwise.
As for the relative speeds it's the HD5770 that is on par with the HD4870(although the 128-bit bus does limit it slightly in crossfire) not the HD5750. The HD4870x2 is two HD4870s so it will be faster.
Basically it would go in this order in terms of average frame rates;
HD4870x2 > CF HD5770s > HD5870 > CF HD5750s > HD5850
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May 10, 2010 8:04:18 PM

Where are you getting this information? I am looking at the Frame rates for Quarter 1 of 2010 on the forums here, and I'm not seeing the 4870X2 pop up anywhere near the top.
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a c 376 U Graphics card
May 10, 2010 8:13:19 PM

I wouldn't use the Tom's charts for anything basically. They aren't reliable. Look for real reviews.
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May 10, 2010 8:15:57 PM

Ok, perhaps you could show me where this information you have is from. I am honestly interested in finding these answers and my information is just not linking up with what you have provided.
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a c 376 U Graphics card
May 10, 2010 8:33:22 PM

It's hard to find reviews directly comparing those cards but most HD5870 reviews include the HD4870x2 and show it being slightly faster on average. Most reviews with crossfired HD5750s also include the HD5870 and show it being slightly faster.
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May 11, 2010 5:52:56 PM

Mubin, I appreciate the help and the chart. The info you gave me was good and It would seem that pure hardware wise the 4870X2 will outperform the two 5750's.

The next question, is it worth it to keep the 5750's for DX11?
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a c 376 U Graphics card
May 12, 2010 2:47:17 AM

I probably would. HD5750s should still perform very well and the power usage, lack of heat and DX11 are worth a lil less performance. You should be able to sell the HD4870x2 for a nice sum especially if the send you a new one.
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a b U Graphics card
May 12, 2010 10:56:48 AM

I agree with Jyjjy. In near future DX11 will require most and two 5750 will be very good.
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