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AMD FX (Bulldozer) Owners Club! - Page 146

post #1451 of 8112
It's still not an accurate way of looking at BD's performance as a whole. To me it makes more sense to just say that a 41xx is dual core 61xx tri core and 81xx quad core, with enhanced multithreading that allows almost 2x integer performance. This is why cinebench results look so bad, FX-81XX only have 4 FPUs and decoders.

When SB-E 8 core is released (either Xeon or EE chip) it will totally dominate AMD's "8 Core" product in floating point. Simply because it will have double the decode throughput and logical FPU's. I just hope AMD can get their yields and clocks up before too long.

I am under the impression that this approach was taken because AMD placed a bet on GP-GPU and fusion. We can only hope that this pans out in the long run. Because BD, as is, will be a dog compared to intels new offerings. Maybe GPU integration can turn that around.
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post #1452 of 8112
Quote:
Originally Posted by KarathKasun View Post

It's still not an accurate way of looking at BD's performance as a whole. To me it makes more sense to just say that a 41xx is dual core 61xx tri core and 81xx quad core, with enhanced multithreading that allows almost 2x integer performance. This is why cinebench results look so bad, FX-81XX only have 4 FPUs and decoders.
When SB-E 8 core is released (either Xeon or EE chip) it will totally dominate AMD's "8 Core" product in floating point. Simply because it will have double the decode throughput and logical FPU's. I just hope AMD can get their yields and clocks up before too long.
I am under the impression that this approach was taken because AMD placed a bet on GP-GPU and fusion. We can only hope that this pans out in the long run. Because BD, as is, will be a dog compared to intels new offerings. Maybe GPU integration can turn that around.

it's a not a duel core and it's not a single core core in a module it's one and half cores.
Edited by Demonkev666 - 11/20/11 at 5:19pm
    
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post #1453 of 8112
Not really, as that "half" core doesn't have an independent decoder. so its more like 1 1/3 core. rolleyes.gif
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post #1454 of 8112
Can anyone answer what the stock voltage of the Bulldozer is please?

The reason I ask this is because I have received 3 8120 chips in the last month and they all have different stock voltages.

Please help...

What is the stock voltage for BD or more specifically the 8120?
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post #1455 of 8112
I believe its ~1.28 - ~1.35. Not totally positive as I havent seen it in spec sheets, but that should be the ballpark.

My FX-4100 was ~1.325 from what I remember.

edit
Looks like 1.25-1.35. The one in the Legit Reviews article was 1.27.
/edit
Edited by KarathKasun - 11/20/11 at 6:29pm
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post #1456 of 8112
I just joined the Club

Here is my Validation http://valid.canardpc.com/show_oc.php?id=2108665



I'm interested in a stable overclock....right now I am using Auto settings and have my multiplier set at X20 for a 4GHZ overclock on my fx-8120.

I'm using the stock cooler in an Antec 300 case with all fans set to high and Max out at 49 degrees Celsius using prime 95.

Core #4 keeps failing after the first run.....but if I run core #4 by itself it chugs along.

is 49 degrees Celsius to hot on the stock cooler?

I'm thinking of getting a cooler master Hyper 212 EVO......but was wondering if anyone had thoughts on the Thermalright HR-02 Macho.

I rather stick with air cooling so i'm not planning on water at all.......

Geez there are 146 pages so far to look through!

Hope everyone is having fun overclocking the Hell out of their new FX CPU's!
post #1457 of 8112
I just came accross a webpage the other day (sorry i dont have a link) but i believe the voltages are on the CPU itself (stamped)

someone please correct me if im wrong.
post #1458 of 8112
Quote:
Originally Posted by Demonkev666 View Post

it's a not a duel core and it's not a single core core in a module it's one and half cores.

you are so wrong ...


its 2 core per module


just because it doesnt perform like intel's newest or even amd's past gen doesnt mean its not a complete core or not ...
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post #1459 of 8112
core and module names are sales department hogwash in the case of bulldozer.

It has 1 front end (decode etc), 1 FPU, but 2 sets of integer pipes.
Kinda like how Intel supposedly does HT by having extra registers for each core.
Duplicating one part of the chip does not equal dual core. Period.
(AMD just duplicated a more useful and larger silicon structure)

I was on the, "Well, AMD calls it two cores per module... That must be what it is." bandwagon until I owned one of the chips.
Im certain that somewhere in AMD's (ex)marketing department there is a chart that looks like this

Intel Processor hierarchy Thread < Core < Chip
AMD Processor hiearchy Core < Module < Chip
(I see what they did thar)

It seems that the in-house marketing department was nixed for some odd reason.
There are many parallels with P4, like this.

P4 = Empty and meaningless MHZ numbers
BD = Empty and meaningless Core numbers

The thing is, the whole BD fiasco could have been fixed by a change in marketing buzzwords. And the sad thing is, most of the uninitiated computer buyers out there will go for the computer that has more cores at the same price... as long as there is no nerd intervention.

I bought my BD knowing that it underperformed, my main attraction was tweaking / overclocking a new uArch. As well as being able to recommend buying/not buying, from experience, for clients.
Edited by KarathKasun - 11/20/11 at 7:36pm
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post #1460 of 8112
Quote:
Originally Posted by danimal101 View Post

I just joined the Club
Here is my Validation http://valid.canardpc.com/show_oc.php?id=2108665
I'm interested in a stable overclock....right now I am using Auto settings and have my multiplier set at X20 for a 4GHZ overclock on my fx-8120.
I'm using the stock cooler in an Antec 300 case with all fans set to high and Max out at 49 degrees Celsius using prime 95.
Core #4 keeps failing after the first run.....but if I run core #4 by itself it chugs along.
is 49 degrees Celsius to hot on the stock cooler?
I'm thinking of getting a cooler master Hyper 212 EVO......but was wondering if anyone had thoughts on the Thermalright HR-02 Macho.
I rather stick with air cooling so i'm not planning on water at all.......
Geez there are 146 pages so far to look through!
Hope everyone is having fun overclocking the Hell out of their new FX CPU's!

Have you been doing the AOD trick or does you bios support disabling APM.
Also is that 49 at the cores or the socket since the cores temps are way off.
50C at the cores is like 62 at the socket which is higher then amd recommends running it.

Personally my self I found the stock cooler wasnt even good enough for the stock clocks with APM disabled.
APM is what trys to limit the cpu power to its advertised wattage, So it quickly throttles cores down and up. At stock speeds you cant notice it since it changes faster then most programs read (cpu-z)
But onces you start overclocking if its still enabled you start to notice it since they speed more time clocked down to save power (even under load)
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