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GTX 480 vs HD 6870x2 CF!!

Supplejoe

Supplejoe

Supplejoe

Associate
Joined
24 Aug 2011
Posts
74
Ok I'm in a pickle at the moment. My friend has basically the same components as me.

My computer:
965 BE phenom II x4 @3.4GHz
DDR3 4GB 1333MHz
same motherboard
700w psu
HD 6870x2 CF


Mates computer:
965 BE Phenom II x4 @4.0GHz
DDR3 4GB 1600MHz
same mobo
700w psu
GTX 480

Now the problem is he said he ran a bench in Lost planet 2 DX11 Max graphics and got an average of 52 fps. Now seeing as I have crossfire I should expect to see A LOT better average fps. Only I'm getting 44fps average.

So my question how the **** is my mates 480 GTX getting better fps? lol
 
Or maybe your mate having an extra 600mhz on his cpu is pushing things higher. OC your's to 4.0ghz or ask him to drop to 3.4ghz and test again, makes for a better comparison.

As you can see from here http://www.anandtech.com/bench/Product/301?vs=309 your CF6870's should significantly out perform a single 480, but as opeth said, maybe the game doesn't play nice with crossfire, in which case the 480 is the far superior card.
 
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harmony said:
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That does it I can't take it any more that was the last straw. :o

Iglst.jpg



I suggest you have a look at this review and compare results also check that crossfire is working by playing some other games. You should be getting better scores then that if you playing at 1080p.
 
I'm slightly confused, do you have 2 x 6870x2 or 2 x 6870? Anyway I think maybe Lost Planet 2 doesn't scale CF well at all due to it maybe being only a benchmark or as somebody else said, it uses more then 1GB of Vram.
 
Moothead2 said:
I'm slightly confused, do you have 2 x 6870x2 or 2 x 6870? Anyway I think maybe Lost Planet 2 doesn't scale CF well at all due to it maybe being only a benchmark or as somebody else said, it uses more then 1GB of Vram.
Click to expand...

The game seems to scale just fine and even when its been tested at 2560x1600 you can get nigh on 100% scaling according to this review. So long as the game isn't using vast amounts of memory over 1Gb the video card can access some of the system memory to help cope with the load. Maybe he doesn't have he's drivers or profiles setup right or AMD might have broken the crossfire scaling in the game with a recent driver release?
 
Freddie1980 said:
The game seems to scale just fine and even when its been tested at 2560x1600 you can get nigh on 100% scaling according to this review. So long as the game isn't using vast amounts of memory over 1Gb the video card can access some of the system memory to help cope with the load. Maybe he doesn't have he's drivers or profiles setup right or AMD might have broken the crossfire scaling in the game with a recent driver release?
Click to expand...

You could be right then. Now, OP, I'm going to state the obvious so don't hate on me for it, but have you got CF enabled in the CCC :D?
 
Moothead2 said:
I'm slightly confused, do you have 2 x 6870x2 or 2 x 6870? Anyway I think maybe Lost Planet 2 doesn't scale CF well at all due to it maybe being only a benchmark or as somebody else said, it uses more then 1GB of Vram.
Click to expand...

Judging by the thread title I assumed he meant quadfire, though after having read what he has written further on, I think he is referring to crossfire.
 
One is XFX one is SAPPHIRE, i'm pretty sure I downloaded the right drivers and I have "Did you download all the crossfire profiles (CAPS)?" yes I downloaded this
 
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You might have been screwed up by vram. You should at least have beaten this single HD 6970 if not the GTX480, if you say there's abuse of Tessellation in the benchmark.
 
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pci-express
Speed.

depending on motherboard maybe it only supports 4x4x in sli.
instead of 8x8

It accounts for about 5 to 9 frames per second.
 
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