4870 X2, add another, 4870, or no?

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crawlgsx

[H]ard|Gawd
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Aug 12, 2008
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I currently have a 4870 X2. I was contemplating adding another one but I am wondering if it would even make a difference, or if bottleneck would limit me to maybe just adding a 4870.

I have a q6600 @ 3.6 at the moment. I have a p45 (asus extreme) motherboard on the way, as well as some 1066mhz dominator. I am also currently considering upgrading to an X3360 (xeon quad core 45nm 12mb cache stock 2.83 easily oc to 3.6+).

Anywho, just curious what other people have experienced with the X2 in crossfire.
 
Kind of pointless unless you play at 25x16 and run your Quad at well over 4 GHz...
 
Hell I don't even know it was possible to add 4870 to 4870x2 but based on techreport link from some nice guy above, I'd say don't do it.
 
oh if you mean to add an 4870 NOT an 4870x2 then straight out, DON'T because that would be huge bottle neck on your 4870x2 because as far as I understand your crossfire setup is limited to your weakest card, so adding an 4870 is like having 2 4870s in crossfire, so the whole point of buying an 4870x2 just got shot out the window, it will actually be a downgrade unless you get 4870 1 GB then you would just be facing the extra problem of crossfire setups. ( and be down a couple hundred dollars for NO reason)
 
I was looking at all options, but given the responses/that article I'd say I will stick with my single X2. I currently am only running 1680 but I have a 24" on the way and will be running 1920. Still doesn't appear 2 X2's is worth it.
 
Now that would be a simultaneous definition of GPU bottleneck and OVERKILL.
 
crawlgsx said:
I was looking at all options, but given the responses/that article I'd say I will stick with my single X2. I currently am only running 1680 but I have a 24" on the way and will be running 1920. Still doesn't appear 2 X2's is worth it.
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You don't need another 4870/4970x2, with my 24" at 1920x1200 I am barely loading my x2, the bottle neck is processor, ram, hard drive, and well x86/64 circuit design limitations.

If you want higher frames you will likely need to get every other component of your system up to the bleeding edge of tech, the x2 is way beyond what a Q6600 at 3.6ghz can handle.
 
Nanan said:
You don't need another 4870/4970x2, with my 24" at 1920x1200 I am barely loading my x2, the bottle neck is processor, ram, hard drive, and well x86/64 circuit design limitations.

If you want higher frames you will likely need to get every other component of your system up to the bleeding edge of tech, the x2 is way beyond what a Q6600 at 3.6ghz can handle.
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QFT. Agreed.
 
I also recall reading a few months back that its a bad idea to put 2 4870x2 cards on a P45 motherboard because of 8x 8x pcie. I remember that it was not an issue for 2 4870s but it was for 2 4870x2 cards. I don't remember where I read it though, maybe somebody else remembers and can give a link.
 
What games are you playing that your 4870x2 isn't keeping up with? We added a 2nd 4870x2 to my brother's computer and on a 24" there was no observable increase and gameplay.
 
xp3nd4bl3 said:
What games are you playing that your 4870x2 isn't keeping up with? We added a 2nd 4870x2 to my brother's computer and on a 24" there was no observable increase and gameplay.
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No noticeable difference?!?! What about 90.1 fps instead of 90 fps?!? How is that not noticeable?! :D
 
lol, thanks for the all the replies guys. As I stated above in the first post I was looking for input, and as I stated in my second post, I am sticking with 1 4870 X2.

I do get "lag" in some games, and honestly I blame most of it on poor driver optimization.

I can play games like COD4/Far Cry 2/... almost anything, maxed out perfect at 1680. I recently was playing Flatout ultimate carnage and have had lots of issues. Weird lag in the game (consisten, had to turn AA and AF off). Still get some but minor and much more rare. Also the game crashes on some loads/quits.

I think my next upgrade is going to be a pair of Velociraptor 150's :).
 
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