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[AMD] OR-B3 Bulldozer Stepping Listed in Family 15h Kernel Developer's Guide - Page 6

post #51 of 72
Quote:
Originally Posted by Phantom123;15327983 
Everyone knew a B3 was coming. But the question is what exactly is it going to improve. If it improves everything then B2 should have never shipped. If it just increases clock speeds more within same power then it is a good improvement.

They had to ship a B2 revision.

They would have had plenty of huge orders, specifically from OEM's that were due. They'd delayed enough times, and I'd imagine it got to the stage of 'deliver our goods or we're cancelling the orders under breach of contract'.

AMD would have lost 100's of millions in canceled orders (potentially). So they shipped what they could.

Now, if they actually manage to A) massivly reduce it's power draw and B) fix turbo core, then B3 would be well worth waiting for.

Fixing the internal scheduler isn't going to affect how the OS see's the chip, so I don't see any change in the on chip scheduler (maybe a tweak).

But power use is a HUGE issue to fix - especially on the server side.
post #52 of 72
Quote:
Originally Posted by Dublin_Gunner;15329105 
But power use is a HUGE issue to fix - especially on the server side.

Power usage is an issue on desktop because of the speeds the chip runs at... Server sided, speeds are much lower, ergo power usage is way less than the desktop counterparts.


Here's hope OR-B3 delivers!! Or at least it runs as fast as Phenom core per core lol.
   
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post #53 of 72
Don't start dreaming too much with the B3 stepping or be ready for some frustrations. Even if the stepping betters some points... the architecture is still the same, with the same problems.
post #54 of 72
My fingers are once again crossed in hope for awesome BD performance.
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post #55 of 72
I just checked prices for the new FX CPUs in a store in my country.

They only have the FX-6100 listed (still to arrive), for € 179,70.

The Core i5 2400 costs € 173,20 and the Core i5 2500k costs € 198,50.

You could argue with the overclocking potential against the i5 2400, but the i5 2500k is just € 18,80 more. And this is the FX-6100 we're talking about, not the 8120 or the 8150.

Unless they release a B3 stepping that fixes some of the known problems and / or lower the price, perhaps only customers that already have an AMD platform will purchase these current B2 Stepping CPUs, and even then it won't be easy. For comparison, the Phenom II X4 955 costs € 106,50, the Phenom II X6 1090T costs € 160,20 and the 1100T costs € 179,40.
Edited by tpi2007 - 10/16/11 at 9:58am
 
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post #56 of 72
Quote:
Originally Posted by HybridCore;15329608 
My fingers are once again crossed in hope for awesome BD performance.

I'm done crossing my fingers for Bulldozer,lol,but after all that waiting and expectation my fingers are currently in a splint trying to restore thier straightness again,lol.

All joking aside though it would be nice,but anyone who needs an upgrade around now,i defo would'nt recommend they wait again for Bulldozer.
post #57 of 72
Quote:
Originally Posted by HybridCore;15329608 
My fingers are once again crossed in hope for awesome BD performance.

I was a bit sad wondering why AMD would not do anything about so many complaints and negative reviews...
Saying that we don't understand the architecture is bad marketing. They just need to focus in our complaints and fix it the better they can.

I still believe that bulldozer is revolucionary in theory, now they must bring it to practice.

Over 2 billion transistors have to be better managed than this!
post #58 of 72
Quote:
Originally Posted by BallaTheFeared;15327236 
Why are you rolling your eyes at me?

The reason I tossed in overclocking is because Bulldozer's IPC is so low it requires much greater clock speeds to make up for it. For instance clock for clock against even a modest i5-2500k the 8150 is about the same in multithreading win some, lose some, pretty close all around.

990x is a last gen product, but to be fair it's also quite a bit faster than a 4.8GHz bulldozer cpu, while using less power.

AMD needs to dink with everything, they can't simply focus on getting the IPC up, they need to get power down, overclocking up, and IPC up as well, improvements in each will make a bigger difference than just focusing on one area.

I wouldn't run a 5GHz water cooled bulldozer chip on your system, with a 500watt power supply, that's how bad it really is.


helpinghand.gif

er.. just because BD's ipc is not as high as Intel's, doesn't make it "so slow.." Or, that higher clocks are necessary.

Unless ur extreme & need to blip the headroom of your CPU constantly, only then, does IPC needs greater clocks, to make up for it.
post #59 of 72
I'm assuming that the 8170 and the other family of models not initially launched will have the B3 revision. However that being said don't expect a miracle in terms of performance. It should lower the TDP and improve certain aspects but the performance should remain similar to B2 stepping parts such as the 8150.
post #60 of 72
Quote:
Originally Posted by formula m;15333992 
helpinghand.gif

er.. just because BD's ipc is not as high as Intel's, doesn't make it "so slow.." Or, that higher clocks are necessary.

Unless ur extreme & need to blip the headroom of your CPU constantly, only then, does IPC needs greater clocks, to make up for it.

Dude BD sucks, why defend it? It's IPC is inexplicably below Phenom 2, and the Phenom 2's IPC was mediocre 2 years ago!

I understand your favourite company has let you down again and it must be tough for you to admit it but it will be better for you in the long term to learn to call a spade a spade.
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