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WHich AMD CPU will save me from bottleneck ?

Last response: in Graphics & Displays
a b à CPUs
December 21, 2012 11:15:06 AM

hey guys

my current specs r :

msi 790fx-GD70 + Phenom II 4x 955BE @ stock + MSI 6870 HD + 2x2GB ddr3 1333 +real 685watt psu

I wanna add another 6870 & crossfire . but im totaly aware of AMD bottlenecks ! im sure that im being bottlenecked on CPU intensive games even with single VGA card !

my question is . WHich AMD CPU will save me from bottleneck & ill be able to crossfire in future ?

I dont wanna OC my CPU ! i have good low profile Cooler on it but i dont wanna risk !

December 21, 2012 11:52:40 AM

FX 8350, is the best AMD CPU too date, and newest so you wont bottleneck, if your looking too upgrade . But if your budget isnt a tight one would reccommend some like a i5 2500K and Z77 mobo

Reccently did a build for a mate, with 2x 7870 in Xfire with the i5 OC'd too 4.6 with his H80 water cooler, runs flawlessly
a b à CPUs
December 21, 2012 12:56:15 PM

but ive heard that FX is not that FAst . i mean sandy & ive are faster than amd FX .
unfortunatly Intel GOT SO expensive due to Big Crisis in my country ( im livin in IRAN )

so i wanted to know if i can get a cheap QuaD Core amd option .

OK lets talk about OC . can i OC my Phenom 955BE & hope to C Bottlenecks r fadin away ? or i will have those bottlenecks anyway !!!
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a c 331 à CPUs
a b À AMD
December 21, 2012 1:04:53 PM

If you are having a problem with cpu intensive games, then Intel is the only way to go.
The Phenom X4 is about as good as it gets for AMD.
You could probably do a bit better by overclocking the X4.
Few games can make use of more than 2 or 3 cores, so the 6 and 8 core amd offerings are not much use there.
The problem with amd is that their cores are perhaps only 70% as effective as Intel on a clock for clock basis.
Here is one benchmark of differing <$200 gaming cpu's:

Note that even a cheap Intel G630 dual core does better in this particular example.

I am not much in favor of dual cards when there is a single card that will do the job.
In this case cf for 6870 would not be my first choice. That is assuming that you already have a cf enabled motherboard, and the requisite 700W psu. Some games do not respond well to dual cards, and then there is the possible issue of microstuttering.
Read this:

I might suggest selling your 6870 and replacing it with a 7870 or GTX660ti class card or higher.
Even with a cpu limitation, you should be able to get better minimum frame rates and use more eye candy.
a b à CPUs
December 21, 2012 1:08:33 PM

Maybe i should wait till prices come down in my Country & Grab an Intel sandy or ivy