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[OBR] AMD FX-8300/6300 family-Piledrive or Not - Page 2

post #11 of 94
Quote:
Originally Posted by Asterox View Post

Trinity APU(full Piledriver Core) is 15% faster than Bulldozer FX-8150 clock by clock it is already known.
In one benchmark. That's some real hard evidence there. rolleyes.gif
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post #12 of 94
I will buy this only if it beats the i5 2500k or even comes close to the i7 2600k.
post #13 of 94
Waiting for steamroller.
post #14 of 94
Quote:
Originally Posted by Homeles View Post

In one benchmark. That's some real hard evidence there. rolleyes.gif

That's quite enough one test in programs that use only one CPU core, and one Multithread test both processors at the same CPU frequency. biggrin.gif

Trinity APU Laptops/Desktop is AMD's main product, and so on until Kaveri APU comes out. On the other hand FX CPU line is certainly not a AMD priority for quite some time, when it all boils down it is quite a logical move based on the past success of the AMD APU concept. thumb.gif
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post #15 of 94
Quote:
Originally Posted by Capt View Post

I will buy this only if it beats the i5 2500k or even comes close to the i7 2600k.

The 8150 pretty much equals a 2500k on a single gpu setup.
    
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post #16 of 94
Quote:
Originally Posted by veyron1001 View Post

The 8150 pretty much equals a 2500k on a single gpu setup.

Why do you people always say that? Its so amazingly, incredibly false.

wow%201920.png

Read the review. http://www.tomshardware.com/reviews/fx-8150-zambezi-bulldozer-990fx,3043-20.html
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post #17 of 94
Quote:
Originally Posted by Asterox View Post

That's quite enough one test in programs that use only one CPU core, and one Multithread test both processors at the same CPU frequency. biggrin.gif

No, it definitely isn't. Performance in different applications can vary wildly based on a variety of factors, such as how frequently a cache miss occurs. Cache misses in particular are what I'm getting at — if code executed with very few relative misses, the branch prediction improvements of Piledriver wouldn't translate to much performance improvement.

There are perhaps hundreds of factors that play into how well a CPU performs in one cycle — Piledriver only improves a handful of them. If the bottleneck lies in a region where Piledriver didn't improve over Bulldozer, say the L1 and L2 cache latencies, then you're not going to see a noteworthy performance improvement.

Also, it turns out that my memory has failed me — Trinity was more than 15% faster clock for clock in two applications in the THG review, not one. Still, Piledriver is definitely not a flat 15% improvement over Bulldozer per clock. There's also the potential that the cores used in Trinity may not be the same ones showing up in Vishera.
Quote:
Originally Posted by erunion View Post

Why do you people always say that? Its so amazingly, incredibly false.

It's just him, generally. The rest of the AMD shills generally keep their circlejerk to themselves down in the CPU section.
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post #18 of 94
Quote:
Originally Posted by Homeles View Post

There's also the potential that the cores used in Trinity may not be the same ones showing up in Vishera.

I think that's looking like the most likely event.
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post #19 of 94
Quote:
Originally Posted by erunion View Post

I think that's looking like the most likely event.

Yeah. If we assume that alleged picture of Vishera is legitimate, then it's quite clear that not all of the changes that went into Trintiy are going into Vishera (and vice versa). In particular, there's the SRAM issue that I think I've pointed out to your before. If I had to guess, that would mean Vishera doesn't feature the larger L1 TLB mentioned here: http://images.anandtech.com/doci/5831/Screen%20Shot%202012-05-14%20at%2010.38.42%20PM.png

Complete speculation on my part, though. That's also if we're giving OBR any credit, which I'd rather not do.
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post #20 of 94
Even if you were to take this article seriously, it has some good things.

Clock speed increase from 3.6 to 4.0 while lowering rated TDP from 124 to 94. Which would mean they got efficiency or leaked under control pretty well, which makes me wonder how high you could OC these monsters.

That would be if this is true. Maybe if it was a very early ES with little improvements over lowering power draw and a slight clock speed tweak. Or more likely this is more useless made up stuff...

Can't wait for some real solid info.
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