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Discussion Starter #1
hey guys,

i am looking to upgrade my rig soon. i was originally thinkin of getting a new mobo, prolly a 790gx or 790fx, a new cpu, phenom 2 x4, new ram obviously, and a new gpu

i was originally lookin at a 4870 or 4890, but, then i thought and realized that my 3870 is still working good so why dont i just get another identical one and run them in crossfire

ive never used crossfrie b4 and i just wanted to know what would be faster?

2 identical radeon hd 3870s each with 512mb of vram in crossfire

or

1 radeon hd 4870 or 4890 with 1gb of vram

let me know what you think

thanks for ur input
 

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The 4890 will smoke the 3870 CF configuration.
 

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Quote:

Originally Posted by corky dorkelson View Post
The 4890 will smoke the 3870 CF configuration.
Yeah and you can crossfire some 4890's later and get a bad*** gaming rig
 

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Quote:

Originally Posted by corky dorkelson View Post
The 4890 will smoke the 3870 CF configuration.
I wouldn't say smoke, but it would be an upgrade.
 

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The 4890 would beat the crossfire set up with less heat, less power consumption, much higher frames, and less driver mixup's. Also will perform great in games that do not support cross fire unlike the other set up. Go with the single 4890 myfriend.
 

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another option would be a 3870 and 4870 512MB in crossfire not sure how well that would perform, but it would still work

edit: I had no idea that crossfire didn't work across series, I thought the only limitation was the amount of ram had to be identical on both cards
 

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Well, I'm a big fan of the 3870. Personally I think they're underrated. Your board doesn't support crossfire so you'd have to get a new board. You wouldn't HAVE to upgrade anything else other than buying a new 3870 which if you look around, they can be had for less than $50. Search ebay, sometimes you can grab a decent one for $30.

Crossfired 3870's still work very very well. I believe there is also a 3870X2 for sale in the for sale section and if you bought that you wouldn't even have to buy a new board just yet.

Quote:

Originally Posted by JPSwaynos View Post
another option would be a 3870 and 4870 512MB in crossfire not sure how well that would perform, but it would still work
No, it would not work. No.
 

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Quote:

Originally Posted by tambro4 View Post
what about the 4870 is that also faster then the 3870 cf config

cus the 4890 is pricey
I would go with the 4890. I went from the 3870 to the 4870 and it didn't feel like a huge upgrade.

Quote:

Originally Posted by JPSwaynos View Post
another option would be a 3870 and 4870 512MB in crossfire not sure how well that would perform, but it would still work
you can't crossfire 3800 with 4800 series.

Quote:

Originally Posted by rpm666 View Post
Well, I'm a big fan of the 3870. Personally I think they're underrated. Your board doesn't support crossfire so you'd have to get a new board. You wouldn't HAVE to upgrade anything else other than buying a new 3870 which if you look around, they can be had for less than $50. Search ebay, sometimes you can grab a decent one for $30.

Crossfired 3870's still work very very well. I believe there is also a 3870X2 for sale in the for sale section and if you bought that you wouldn't even have to buy a new board just yet.

are you my soul mate. I totaly agree that the 3870 is under rated!
 

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Quote:

Originally Posted by tdesbien31 View Post
3870 crossfire = 4870
3870 crossfire < 4890
I don't think that a 3870 Crossfire configuration would have as much "oopmh" as a 4870. From my understanding, it trades blows with a single 4850.

As for the TC question, coming from a guy who is rockin' the two 3870's, I'd go 4890. That thing is a gorgeous beast and would eat my set-up for lunch.
 

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Actually (2) 3870 CF / 3870 X2 is slightly slower than a 4850 and getting a 4850 X2 or 4890 would be a huge upgrade. That being said, I still want a 3870 X2.
 

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Well i went from a 3870x2 to this 4890 and let me tell ya. It is a BIG difference. The 4890 is almost twice as fast as my 3870x2 w/ gdd4 was.
 

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AA was never a friend to the 38xx series - turn it off and the picture LOOKS THE SAME with much nicer/smoother game play.
 

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http://www.newegg.com/Product/Produc...82E16814102719

I would just pick up another 3870 or for 55 bucks after mir or puck up a 4850 for 89.99 and cf later

http://www.newegg.com/Product/Produc...82E16814150337

but in the end its all up to you its nice to have the best of the best but i know its hard to throw the money away on it.

Id say if your going to upgrade the motherboard and processor buy the 3870 and crossfire

If your going to just upgrade the card just go for the 4890 or 4850x2.

just my 2cents
 
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