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[Official] AMD Bulldozer Reviews Thread - Page 119

post #1181 of 2308
Quote:
Originally Posted by bru_05 View Post
I think that's what he requested a few pages back. Would be interesting to see.
well, it would be easier to cool on air, maybe make 5Ghz achievable with decent air.. ive already seen 5.2 on water for all 8 cores so perhaps even more can be pulled with this strategy and water..

and if IPC per core went up even a bit, could at least help making it decidedly faster than phenom 2 in gaming making it a decent upgrade path if AMD lowered prices...

excited to see
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post #1182 of 2308
Quote:
Originally Posted by radaja View Post
XS's is down at the moment but here is the link once again.

AMD FX "Bulldozer" Review - (4) !exclusive! Excuse for 1-Threaded Perf.

and once again here

AMD FX "Bulldozer" Review - (4) !exclusive! Excuse for 1-Threaded Perf.

and once again here

AMD FX "Bulldozer" Review - (4) !exclusive! Excuse for 1-Threaded Perf.


sorry for 3 links but i posted this once or twice already in this thread maybe 5 will be the charm

Quote:
(*EDIT*: Check out the bottom page for updated and more accurate clock-per-clock results) Now you should take these results with a grain of salt. Unlike with Intel's chips, where it is easy to disable cores from within the BIOS, there is no such luxury with Bulldozer at this time. Therefore, we had to limit the FX-8150's number of cores from within the OS. This fact and perhaps some peculiarities when it comes to how Windows 7 assigns workloads to the Bulldozer microachitecture might have caused exaggerated results. We will be better able to gauge C-P-C performance once we get our hands on a true four-core Zambezi chip.


So how are the cores being disabled then?

And are you trying to compare the 4 core deneb with a 8150 (with a odd half the cores "on"?

I'm trying to clarify what you've posted in several threads. I don't think it's an apt comparison and would rather see the 4100 compared to 4 core denebs than an 8150.



**Edit** I see that they explain the process a little bit, but I'm curious on why they chose those cores on each module. I saw a graph somewhere (too many reviews) that had 8 core turbo, and then a 4 core turbo mode (which was higher than the 8 core).

Just trying to sort through some of the reviews. It's my first time I've actually been interested in a launch of a CPU
Edited by Bowser - 10/12/11 at 12:00pm
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post #1183 of 2308
Quote:
Originally Posted by 2010rig View Post
I'm not saying the following is true, but it's a possibility. Check out what a little birdie told him.
So they are basically calling reviewers on how to benchmark it to get the best scores or am i missing something?
    
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post #1184 of 2308
Quote:
Originally Posted by mad0314 View Post
I posted this a few pages back, but with the speed of this thread posts get missed easily. Their testing was not thorough and their article is bad. They showed a GPU bottleneck and called it a CPU win. They did only a single test with each CPU in each game benchmark with very high graphics settings.
Aaah thnx for explaining
    
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post #1185 of 2308
Quote:
Originally Posted by Bowser View Post


So how are the cores being disabled then?

And are you trying to compare the 4 core deneb with a 8150 (with a odd half the cores "on"?

I'm trying to clarify what you've posted in several threads. I don't think it's an apt comparison and would rather see the 4100 compared to 4 core denebs than an 8150.
they disabled 2 modules to simulate a FX 4110..

what we need is to see someone disable one core PER module so that none of the active ones have to share resources.. i'm hoping that is possible, but ofc can't say for sure if there is a chance to disable or massively downclock one core per module!
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post #1186 of 2308
Quote:
Originally Posted by Wildcard36qs View Post
Do these work at all in the AM3 socket with bios update? This is probably been answered a long time ago...wasnt sure if you had to have the new socket or not.
Some manufacturers are updating their BIOS code to support AM3+ on 890x chipsets. Others however don't.
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post #1187 of 2308
I see that the FX 8150 tends to average around 6pts in CineBench 11.5

How does the turbo play into this equation? Is it at 4.2 GHz likely the whole time it runs the benchmark?
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post #1188 of 2308
Quote:
Originally Posted by ShiftedReality View Post
I found a few issues with a few of the sites... 1 shows F1 2011 on par with 2600k and the other shows it 20fps behind.. wonder what the reason is for this.

http://www.tomshardware.com/reviews/...x,3043-20.html

vs

http://www.hardwareheaven.com/review...w-f1-2011.html
The difference being, that Tom's and most others did not go with AMD's full "Scorpius" platform as their test bed; using an nVidia GTX580...

While HardwareHeaven DID; by using a Sapphire TOXIC Radeon HD6950 2gb switched to its "performance" mode with all shaders unlocked.

ALSO, TOM's used cheap Crucial DRR3-1333 RAM...

While HardwareHeaven used high end Corsair Vengeance DDR3-1866 RAM.

Also, as for ASRock and BIOS support etc; yes ASrock did recently release a BIOS update for their 990FX Series boards that are intended to optimize the Bulldozer better then their previous BIOS Updates... THAT, you can read about in the ASRock 990FX Fan club threads here on OCN.

http://www.overclock.net/amd-motherb...oard-club.html
http://www.overclock.net/amd-motherb...fessional.html

There's your difference...

Its all in the hardware and how its setup.
     
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post #1189 of 2308
Quote:
Originally Posted by Vagrant Storm View Post
This is why we need a comprehensive database of the results with how hardware was used and what clock speeds. I never use Hardware Heaven's site, but I fully trust their results...as in they observed what they reported. However, there must be a reason why they have different results

I find it hard to believe the better results was do to an ASRock mother board (or have they gotten better? i am used to them being more of a budget board with a few good options, but then...I can't help but think that about Foxconn too and they've been making some decent boards.)

All to hell with it...I am going to call it a day early. heh...not getting any work done anyway thanks to Bulldozer.
It doesn't necessarily mean that the AsRock board is the answer, but more likely that something could be wrong with the Crosshair V boards with respect to BD. I'm just remembering how many 1 star reviews the Crosshair V got on Newegg (25% last I checked). Maybe there is a design flaw or BIOS flaw with it. It would be helpful if we saw BD benched on other Mobos like the Sabertooth and Gigabyte's UD7 to prove or disprove this.
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post #1190 of 2308
Quote:
Originally Posted by doomlord52 View Post
So you need 80w more power, a 1ghz OC to tie a 2600k? Sounds terrible.
As is, its stock v. stock its equal to a 2500k, but STILL worse core for core (its equal to a 920!? at stock!?!?).

Faildozer is fail. Too much power, worse perf than whats already out there, terrible core efficiency. I'll stick with my 2600k @ 4.75ghz, which will absolutely EAT a BD 8150.
thanks for sharing.
    
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