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post #11 of 29
Thread Starter 
Quote:
Originally Posted by CMI86 View Post

It technically will "support" the 7870 CF but it will run the pci-e slots at X8/2 therefor negating the performance of running the 2 cards to begin with making it basically pointless.

is that bad sorry im new to this
post #12 of 29
Quote:
Originally Posted by skitz9417 View Post

is that bad sorry im new to this

He's just saying that you won't get any benefit from running 2 cards over just running one. So doing a crossfire on that board would be pretty much a waste of electricity..
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post #13 of 29
Quote:
Originally Posted by skitz9417 View Post

then whats the highest gpu that wouldnt bottleneck my cpu

Well here is where it becomes a toss up. Do you spend the $120 on a 990FX board and $175 on another 7870 and end up with slightly better than 7970 performance (with the intermittent pains of CF)
Or do you keep the board, sell off the 7870 and invest in to something like a 7970/R9-290 for $400~ (with the ease of a single GPU config) This is the choice you need to make.

As far as the best card you can use with the 6300 depends on a number of factors. Mainly the clock speed of the CPU and secondly the specific titles being ran. Some are more gpu or cpu dependent than others and will bottleneck different components at different levels. That being said I use a 6300 @ 4.5Ghz running 2X overclocked 7870 LE's (completely different GPU than your 7870, closer to 7950 performance) and I hardly ever notice any bottlenecking except on the most CPU dependent of titles.
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post #14 of 29
Thread Starter 
Quote:
Originally Posted by CMI86 View Post

Well here is where it becomes a toss up. Do you spend the $120 on a 990FX board and $175 on another 7870 and end up with slightly better than 7970 performance (with the intermittent pains of CF)
Or do you keep the board, sell off the 7870 and invest in to something like a 7970/R9-290 for $400~ (with the ease of a single GPU config) This is the choice you need to make.

As far as the best card you can use with the 6300 depends on a number of factors. Mainly the clock speed of the CPU and secondly the specific titles being ran. Some are more gpu or cpu dependent than others and will bottleneck different components at different levels. That being said I use a 6300 @ 4.5Ghz running 2X overclocked 7870 LE's (completely different GPU than your 7870, closer to 7950 performance) and I hardly ever notice any bottlenecking except on the most CPU dependent of titles.

well not really i got the board for cheap and i like the hd 7870 and i will oc to like 4.5ghz or 4.2ghz
post #15 of 29
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Quote:
Originally Posted by skitz9417 View Post

well not really i got the board for cheap and i like the hd 7870 and i will oc to like 4.5ghz or 4.2ghz

if so what would be the highest card a fx 6300 wouldnt bottleneck at 4.5ghz something like gtx 780 and yea i think i may change my mind on two hd 7870
post #16 of 29
best choice would be to go with what one of the posters said, sell your 7870 and buy a higher end GPU - either the 7970 or a 770 gtx either one works
    
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post #17 of 29
Quote:
Originally Posted by skitz9417 View Post

well not really i got the board for cheap and i like the hd 7870 and i will oc to like 4.5ghz or 4.2ghz

Well than why not just sit pretty with what you have ? The 7870 is a perfectly fine card for gaming @ 1080P minus some ultra high AA/AF settings.
But like I said if you want more graphics performance running crossfire on that board is not the way to go so at that point you will need to make a choice between a new GPU and a new motherboard.

And again I would try to add a matching dual channel 2x4GB RAM kit to your existing RAM for optimal performance and increased capacity. Adding that single 2GB stick is going to significantly lower your memory systems over all performance because it will then be running in single channel not dual. If you get a matching kit the capacity will be increased and the memory controller will stay in dual channel giving you the best of both worlds.
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post #18 of 29
what CMI86 said, - it can lower performance and it may be harder to obtain that overclock (stability will be a pain)
    
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post #19 of 29
Thread Starter 
Quote:
Originally Posted by CMI86 View Post

Well than why not just sit pretty with what you have ? The 7870 is a perfectly fine card for gaming @ 1080P minus some ultra high AA/AF settings.
But like I said if you want more graphics performance running crossfire on that board is not the way to go so at that point you will need to make a choice between a new GPU and a new motherboard.

And again I would try to add a matching dual channel 2x4GB RAM kit to your existing RAM for optimal performance and increased capacity. Adding that single 2GB stick is going to significantly lower your memory systems over all performance because it will then be running in single channel not dual. If you get a matching kit the capacity will be increased and the memory controller will stay in dual channel giving you the best of both worlds.

well i do sometimes play at 3840x720 in some new games so my hd 7870 can play games ok but im worreid about later like when games need more horsepower
post #20 of 29
Quote:
Originally Posted by skitz9417 View Post

well i do sometimes play at 3840x720 in some new games so my hd 7870 can play games ok but im worreid about later like when games need more horsepower

I didn't know you run an eyefinity set-up on that 7870. I would definitely recommend a more powerful GPU then. the 7870 is a capable single screen >1080P card but for an eyefinity config I would call it quite under powered. A single 7970 Ghz at the very least.
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