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5870 CF or new card (68xx or 69xx)?

post #1 of 48
Thread Starter 
I'm in the process of sorting out an 890FX board so that I can make the leap to crossfire. I have a 5870 of the variety in my sig rig. Would it be worthwhile to score a 5870 and CF them since the prices are already falling or should I just pick up a new 6xxx radeon and then CF those once tax return money comes in? Just looking for opinions but hard numbers would be nice too Reps for great responses!! Thanks for the attention! I've posted the options below but if I may consider nvidia (e.g. gtx 570 or something comparable) as well if a strong case is made. Thanks again for the attention!

5870 @ $240: http://www.newegg.com/Product/Produc...-476-_-Product

6850 @ $165
http://www.newegg.com/Product/Produc...-348-_-Product

6870 @ $220
http://www.newegg.com/Product/Produc...-506-_-Product

6950 @ $290
http://www.newegg.com/Product/Produc...-518-_-Product

6970 @ $370
http://www.newegg.com/Product/Produc...-385-_-Product
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post #2 of 48
I would highly recommend the 6950 because you can make it perform just like a 6970 by unclocking the unused cores which are used on the 6970. They have a guide linked in a thread here that has a link to a TechPowerUp.com guide. I would also recommend that you get another 5870 and go Cross-Fire. It should give you better performance.
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post #3 of 48
I would get the 5870 CF since you already have one.
The 68xx series really would be more of side-grading. If you really want the 3-D however, then by all means, the 6870 crossfire would be plenty.

IMHO, I would pick up a used 5850 here on OCN and crossfire it with the 5870.
Saves you a decent amount of dough with near the same performance as 5870 crossfire.
    
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post #4 of 48
2nd 5870 for sure, you are already halfway up the performance ladder, no use in starting over.

*edit* Jaguarbamf is on to something with the 5850 idea
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post #5 of 48
Personally i'd get a second 5870 for crossfire.
post #6 of 48
If you don't mind having 2 cards, 5870 CF is the way to go. You should pick up a non-reference Sapphire or XFX if you can't find reference one, because Sapphire Trixx will let you adjust voltages with those cards.

If you want a single card,being a 6950, and 6970 (flashed) and a GTX 570 owner (currently), i'll say go for the 6950. It's performance is pretty good for the money and most overclock pretty well (no official voltage support yet) and most unlock into 6970s (including mine).
    
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post #7 of 48
Cross-firing your 5870 would be in best interest. Why bother upgrading right now, If i remember correctly the 7000 series should be coming out this year. If you wanna upgrade wait for those. Might as well get the Biggest bang for your buck.
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post #8 of 48
Performance-wise, CFX HD5870.

Time-wise, HD6950. You get 2GB, which is great. CFX scalability is 100%, even more in some games.

2GB is future-proof, 1GB is... well, just not enough at some resolutions/detail levels.
   
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post #9 of 48
Thread Starter 
So it seems CF 5870 is a pretty good scenario but a 6950 unlocked to a 6970 is good too. Any idea what kind of performance I could expect on newer games on ultra settings? In particular, considering starcraft 2. I have SC2 on ultra with the 5870 now and on some maps with many units around, I see stuttering a little bit. I will measure FPS sometime but I'm guessing that it probably dips into the low to mid 20s. Would CF 5870 be able to handle in no problem or would I just be wasting my time? Thanks for all the useful responses so far btw!
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post #10 of 48
Starcraft II isn't GPU Demanding. its all based on your CPU. I add a second GPU and all i seen on it was lower temps on my main Gpu.
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