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New cpu that will NOT bottleneck my SLI 560 ti's? - Page 2

post #11 of 119
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if i buy the FX 8120 will i have to overclock it to avoid bottleneck?
 
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post #12 of 119
Thread Starter 
also, will a 750W power supply be enough for the FX 8120 and 2 gtx 560's?
 
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post #13 of 119
Quote:
Originally Posted by Rangerjr1 View Post

also, will a 750W power supply be enough for the FX 8120 and 2 gtx 560's?

Most likely but it also depends on the quality of the PSU. If you have around 50 or more amps on the 12v rail, you will be fine. Multiple rails aren't addable - I can't remember the formula right off the top of my head but generally a 750w PSU is SLi compliant.

An X6 will help you out in only a few games over a PHII X4. They will most likely both be C3's and will be able to overclock around the same speed. You should be able to pull 4.0GHz off on a C3. Your not guaranteed to not have any bottlenecks at that speed with that CPU, there are always going to be instances.

So it really comes down to what games you play. If you play a lot of BF3, you may see a small increase from having 6 cores. If you don't, a PHII X4 is going to be what you want with a large overclock because of course your coming from a Athlon II so your increase isn't going to be huge to begin with. If you go with an FX X6/X8, you're going to need to overclock it a bit more to be equivalent with a PHII X4 at whatever speed that is running since the performance per core on an FX is lower than on a Phenom II and 95% of PC games use less than 4 cores.
If you want to be future proof, I'd go with a PHII X6. It has better IPC than the FX and 6 cores. There are a lot of questions to be answered.
Edited by pengs - 12/31/11 at 9:15am
post #14 of 119
If you absolutely don't want to be bottlenecked yes you would have to oc. AMD chips just don't have the punch they used to. Anything AMD at stock will bottleneck a crossfire / sli setup from what I've read.

Kills me to say it but for dual cards you almost have to go intel these days, AMD just isn't keeping up anymore... which is depressing.
 
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post #15 of 119
Please add a system so we can see your details here http://www.overclock.net/lists/component/manage/type/RIG (just give a name in the first part then "save & continue" details will be there to fill)
Or write them up. PSU model and make.
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post #16 of 119
Quote:
Originally Posted by Tadaen Sylvermane View Post

If you absolutely don't want to be bottlenecked yes you would have to oc. AMD chips just don't have the punch they used to. Anything AMD at stock will bottleneck a crossfire / sli setup from what I've read.
Kills me to say it but for dual cards you almost have to go intel these days, AMD just isn't keeping up anymore... which is depressing.

Yeah. I also went though the same dilemma as the OP. I had a 955 @ 3.7 and was contemplating a 1090T. The problem was the only game I would have seen the price of the 1090T used for was BF3 and the ability to hit 4.2 was only going to show a small improvement in lowly threaded games.

LSS, I went with a 2500K and got it over with.
post #17 of 119
Thread Starter 
ok, ive decided i will buy the AMD Phenom II X6 1100T Black Edition, i am running sli gt 560's atm and i dont have any problems. will the AMD Phenom II X6 1100T Black Edition be a good choice?
 
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post #18 of 119
Thread Starter 
my psu is a Chieftec Nitro Series BPS-750C 750W PSU
 
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post #19 of 119
I have a 965Be even clocked at 4.35 its a bottle neck for my Gtx 295. Im done with Amd.
post #20 of 119
I'm in the same boat you are (same mobo, 560ti sli *soon*, only a bigger psu) you will have to overclock to avoid bottlenecking, you just cant get around it, if i were you i would do exactly what im doing, look for a Phenom ii x4 960T, and use that until bulldozer gets a bit better (or god forbid we have to wait for piledriver) First off, its only 95w as compared to almost all other phenom ii's which are 125, so you save a bit of power and it runs cooler, also, on 4 cores, i've heard of people getting the freq up to the 4.0ghz range on decent air and their voltage at or around 1.4. Last but not least, you have a chance to unlock it into an x6, which for 109.99, isnt bad at all imo, they should still be on amazon http://www.amazon.com/AMD-Phenom-Processor-Black-Socket/dp/B0056D5AMY/ref=sr_1_1?ie=UTF8&qid=1325355017&sr=8-1, but thats just my .02:D
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