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[WCCF]AMD Bulldozer "FX-8150P Black Edition" Details Leaked, Turbo Core upto 4.7Ghz - Page 7  

post #61 of 100
Quote:
Originally Posted by GIPrice View Post
I call bullcrap, how can an 4.2 ghz 32nm 8 core only be 140tdp
just because intel didnt do it doesnt mean it cant be done ....
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post #62 of 100
Quote:
Originally Posted by maple_leafs182 View Post
why do people care if its takes a 5 ghz processor to match the performance of a 4.3 ghz processor or whatever the ghz.
Because architecture does matter.

More cores/more Ghz (with no Architecture improvement) is the easy way, and it's a dead-end. What will truly bring CPUs to the next level is better architectures.

Why? simple analogy:

You have a 5 meters wall. You need to pass it. What is better, 10 guys able to jump below 3 meters or 1 guy able to jump above 6 meters? With the 10 guys, you won't get pass it, with 100 you wouldn't either. With the one guy, you'll have no problem.

Replace the wall with some awesome computing feature and the guys with CPU cores (the height they can reach represents Ghz).
post #63 of 100
Quote:
Originally Posted by MacA View Post
Guess what, I totally agree with you.

If BD is to equal or slightly surpass SB, then needing 4.7ghz is not good.
If BD is to really surpass SB, then 4.7Ghz s not a problem, but AMD going from C2Q perfs to >>SB perfs in one jump is quite unlikely.
Thank you, I was beginning to wonder if no one was getting it. I would expect stock clock to be in the low 3.X Ghz range.
post #64 of 100
Quote:
Originally Posted by Obakemono View Post
WTH is wrong with a CPU clocking at 4.2 out of the box? It seems that the 4ghz barrier is such a brick wall like the sound barrier was to people. The fastest 4 core CPU from AMD is 3.7 on the older process, why can't BD be allowed to clock higher than that?
The problem people are seeing is that new chips are almost always priced to slightly undercut their competition.

If this CPU costs ~350 dollars, it almost certainly means it's going to perform only modestly better than a 2600k. This is also the most expensive desktop BD.

This is not good news for enthusiasts who have been looking to get one of these CPUs. Why is this not good news? It implies that 4.2-4.7GHz clock speed is what is needed to beat a 3.4-3.8GHz SB. It also implies that AMD cannot clock chips higher, because they don't have any more headroom.

This is why I am worried. I fear BD may have very little overclocking headroom, and that it won't have the IPC needed to even approach Intel's chips in lightly threaded apps. Oh, for much of what I do a 5GHz BD seems like it would match or beat a 4.8-5GHz SB, but this would be almost no improvement over what I've already got, and wouldn't stand a chance against Ivy Bridge.

If the information in this article is largely correct, BD is shaping up to be another Thuban, which while competitive in it's price range against Bloomfield, really could not stand up to SB.
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post #65 of 100
Quote:
Originally Posted by Iceman23 View Post
I didn't miss the memo! You are completely failing to understand. I said that right in my previous post that it was a new architecture. That's why I assumed that the new architecture would be a performance improvement, and not need 4.2GHz to match SB.
But whats to say that it's that speed to match the SB, for all we know that could decimate it.

But once again you have no proof to back your statements, nor has there been proof to refute it either.

This is purely your opinion.
post #66 of 100
I have to have this CPU
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post #67 of 100
This thread belongs in "Rumors and Unconfirmed Articles" until proven otherwise.

The BD rumors are out of control!!
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post #68 of 100
Quote:
Originally Posted by smash_mouth01 View Post
But whats to say that it's that speed to match the SB, for all we know that could decimate it.

But once again you have no proof to back your statements, nor has there been proof to refute it either.

This is purely your opinion.
I'm not holding another person's hand in understanding why it won't need 4.7 Ghz to match SB. Reread the thread again and try to comprehend. You still seem to think I'm arguing BD won't match SB
post #69 of 100
Quote:
Originally Posted by Blameless View Post
The problem people are seeing is that new chips are almost always priced to slightly undercut their competition.

If this CPU costs ~350 dollars, it almost certainly means it's going to perform only modestly better than a 2600k. This is also the most expensive desktop BD.

This is not good news for enthusiasts who have been looking to get one of these CPUs. Why is this not good news? It implies that 4.2-4.7GHz clock speed is what is needed to beat a 3.4-3.8GHz SB. It also implies that AMD cannot clock chips higher, because they don't have any more headroom.

This is why I am worried. I fear BD may have very little overclocking headroom, and that it won't have the IPC needed to even approach Intel's chips in lightly threaded apps. Oh, for much of what I do a 5GHz BD seems like it would match or beat a 4.8-5GHz SB, but this would be almost no improvement over what I've already got, and wouldn't stand a chance against Ivy Bridge.

If the information in this article is largely correct, BD is shaping up to be another Thuban, which while competitive in it's price range against Bloomfield, really could not stand up to SB.
That's just your way of interpreting it
it's not based of conclusive facts aside from your gut feeling
post #70 of 100
Quote:
Originally Posted by MacA View Post
Because architecture does matter.

More cores/more Ghz (with no Architecture improvement) is the easy way, and it's a dead-end. What will truly bring CPUs to the next level is better architectures.

Why? simple analogy:

You have a 5 meters wall. You need to pass it. What is better, 10 guys able to jump below 3 meters or 1 guy able to jump above 6 meters? With the 10 guys, you won't get pass it, with 100 you wouldn't either. With the one guy, you'll have no problem.

Replace the wall with some awesome computing feature and the guys with CPU cores (the height they can reach represents Ghz).
And we have Intel and the Pentium 4 to thank for proving to us that architecture matters.

I remember when the P4 had crazy clock speeds but the very first P4s actually were slower than the last of the P3s because they used a worse architecture and focused solely on mhz. This led to people realizing the "Megahertz Myth" and the move away from CPUs being marketed solely on speeds as model numbers.
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Overclock.net › Forums › Industry News › Rumors and Unconfirmed Articles › [WCCF]AMD Bulldozer "FX-8150P Black Edition" Details Leaked, Turbo Core upto 4.7Ghz