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what's better i7 920 vs 8150 - Page 4

post #31 of 60
Thread Starter 
Quote:
Originally Posted by sdlvx View Post

I actually went from 4ghz i7 920 to 5ghz FX 8350.

Multi-thread the FX 8350 is way a head. Even in Cinebench the 8350 is way better. Transcoding and all of that stuff, there really is no competition. If you think there is you haven't used both CPUs for an extended period of time and you're just making guesses from reading reviews.

Games which don't scale to lots of threads (like League of Legends) actually saw some improvement on FX. Skyrim I lost some performance.

My upgrade path was basically

i7 920 with 6GB of Ram with 7970 -> FX 8350 with 16GB of ram with the same graphics card, HDs, etc.

You will see regressions in things that don't scale to lots of cores, but you will see smaller regressions in performance with 8350 than you will see gains. Meaning you get more and lose less by going 8350.

Your problem is you are looking at Bulldozer x100 series. You should be looking at x300 series (8320, 8350, etc).

I would suggest hunting for an FX 8320 at a good price. Perhaps you can find one used.

But you should stick with 8000 series and not go 6000 series. I realize AMD marketing likes to call them 6 and 8 core CPUs, but as far as performance goes it's best to think of them as 3 core and 4 core with a super-powered form of hyperthreading. The module approach and hyperthreading actually do share some of the same caveats (like running two threads on a module or physical/logical core hurts performance).
or what about x6 1055t
post #32 of 60
Techreport has some benchmarks with FX 8150, 8350, and Phenom x6. i7 920 is missing sadly.

As you can see, the folks who think that Phenom was better than Bulldozer aren't exactly right.
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post #33 of 60
Thread Starter 
Quote:
Originally Posted by sdlvx View Post

Techreport has some benchmarks with FX 8150, 8350, and Phenom x6. i7 920 is missing sadly.

As you can see, the folks who think that Phenom was better than Bulldozer aren't exactly right.
so what do u think x6 1055t or fx 6100 video editing with vegas 12 or pinnacle which would be better ?
post #34 of 60
Quote:
Originally Posted by skitz9417 View Post

or what about x6 1055t

Unless it is substantially cheaper, which right now I hear they really aren't, I would say that the 8 cores would be slightly better. The older x6 has a little bit higher IPC, but can't be overclocked as far, generally speaking. But still a good cpu!

So my answer is, whatever is the cheapest, whatever gives you the best performance for your dollar! So if you can get an x6 on the cheap, go for it, they have a lot of raw performance. So does the bulldozer, I'm currently running 4.1 @ 1.3v on offset mode, and the cpu has more to give if I had better cooling, this would be about the ceiling for an overclock for the x6, from what I understand.

So would you want a slightly higher IPC, with a lower clocks speed? Or a higher clock speed, with more cores and slightly less IPC. Personally I would go newer just because of newer instructions and more cores, but that's just me!

But if I had money saved, I would without hesitation go for the 8350, or 8320!
Any of these would be an improvement over your current cpu! So the choice is yours!
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post #35 of 60
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well i can get a fx 6100 for 117 dollars off ebay or x6 1055t for 129.71 dollars

well since the fx 6100 is cheaper and if i oced it does that help much i have nh-d14 for cooling smile.gif
post #36 of 60
1366 motherboards are becoming seriously difficult to find, that alone would edge me towards an FX chip.
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post #37 of 60
Quote:
Originally Posted by skitz9417 View Post

well i can get a fx 6100 for 117 dollars off ebay or x6 1055t for 129.71 dollars

well since the fx 6100 is cheaper and if i oced it does that help much i have nh-d14 for cooling smile.gif

I would lean more to the x6, I don't see many people running the 6100, I also know that the 8320 is $150 on amazon, that is a better choice than both in my opinion and not much more
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post #38 of 60
Sorry, I forgot the link: http://techreport.com/review/23750/amd-fx-8350-processor-reviewed/11

For mult-thread I'd put everything like this regarding what you're looking at

FX 8350 > FX 8320 > i7 920 = Phenom x6 > FX 6300.

I don't have much experience with Phenoms, otherwise I'd chip in more. I do know that FX 8300 series for multi-threaded stuff beats the pants off of i7 920. My renders were significantly faster. I would aim for that if possible, a cheap FX 8320 overclocked will be comparable to i7 4770k.
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post #39 of 60
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since i just got some extra money i will go with i7 920 and just question should leave it at stock to beat x6
post #40 of 60
Quote:
Originally Posted by skitz9417 View Post

since i just got some extra money i will go with i7 920 and just question should leave it at stock to beat x6

That's if you can even find a 1366 board!

I would really suggest sticking with your motherboard if possible.
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