bought a sapphire 6870.....is really a 5870 (sometimes)....unsure where to turn....what to do, have another one coming.....

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Stack Baxter

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May 12, 2013
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I bought one to xfire my HDRadeon XFX 2gddr56870, turns out it's a 5870....but NOT YET! after updates....turned into a 6870.....still some programs recognize as a 5870....what does this mean.....never seen this before....but then again, these are strange times.

Oh yeah: from new egg, currently discontinued. Weird card shit.
 
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Stack Baxter

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May 12, 2013
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I haven't done that...what's weird is that when I first got it, plugged it in, the clocks were set to the 5870's, then after a reboot, the clocks maintained at 6870's (900/1050)

 
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jdowdy10

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It is likely a re-badge of a 5870. I had a 6770 that did the same thing. It was a 5770 until I updated the Windows display driver and then it was magically a 6770.

What does it mean? It means ATi released the same card two years in a row but changed the number from 5870 to 6870. They've seemed to have moved away from this practice and are at least making re-badges less cut and dry.
 
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Stack Baxter

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But why label it one thing when the hardware that picks it up is going to id it as something else? I'm not complaining, I got a great deal...essentially 2x(two) OC'd 5870's for under 300$.
 
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unksol

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That is completely incorrect. And they've only ever fr that with low end GPUs just like nvidia does. The 5870 and 6870 are entirely different chips with different number of shaders
 
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jdowdy10

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Good to know. You learn something new everyday I guess. Guess I should have googled first, answered later.

I just got back into this GPU thing so I'm a little rusty, but the card I had before the 6770 was a X800XL which I bought without knowing anything about GPU's. I try to not make those mistakes again, so thanks for the information.

 
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4745454b

4745454b

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my understanding is that the 6XXX series is a refinement of the 5XXX, HOWever... the 5XXX makes better video games.
Click to expand...

Sort of in some cases, not really though. Sometimes the cards were just straight renamed. The 5770 and 6770 are identical. The 6770 has an updated firmware that gives them better HDMI (?) but that's about it. The 6850 is similar to the 5850, same for the 68/5870. They do perform similarly, but they are different chips internally. Finally with the 69xx cards they are very different as they use VLIW4 instead of VLIW5 like the other cards mentioned. I really wish AMD didn't do this as it makes the 6xxx cards very confusing as to what you have.

As I recall at launch the 68xx cards were just slower then the 58xx cards. But with better power numbers. I've heard that with newer games they perform as good as if not better. Might just be better drivers. And games that make better use of that arch.
 
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