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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 3314

post #33131 of 67491
Yup the Giga.
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Zila
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post #33132 of 67491
Looking at core schematics it has more then 4 pipe lines, They are quite long tho so has quite a impact on clock to clock vs intel.
What it has 4 of is floating point units and 8 integra units.


They went with only 4 float point because software should be using AVX for the float calculations. Only problem is software keeps locking it out on AMD chips since the Intel compiler only allowed AVX on intel CPUs. There is a patch you can apply to programs or you can fake the CPU String to have "genuine intel" in it then you get a nice boost in floating point.
Or if more things start off loading float point to the GPU should give a massive boost.

Lastly you got to remember these are still 32nm chips, While people are comparing them to 22nm.


Any way did a upgrade to my rig.




EK L240 kit
Can now run 1.55V and get same temps as my Antec 920 go on 1.49V
Use the EK paste so dont know if it needs to cure like my AS5 paste but ill see over the next few days. May change out the EK paste for AS5.
post #33133 of 67491
Quote:
Originally Posted by zila View Post

@Moonless, I was running mine at 4600MHz 1.44vcore. LLC at 25%. Ram at 1866 1.5v 9-10-9-28-38 1T. The processor was cooled by an H220. In IBT after 50 runs the chip never went over 50°C Load. NB temps also hovered around 50°C Load. Ambient temps were at ~20°C. I had a fan on the vrm heat sink at all times.

After playing BF3 for about an hour the rig went up in smoke. The resistors under vrm heat sink exploded. They actually had holes in them and the processor was dead. Thank God that's all it took out.

Edit: Oh yeah, I only had the motherboard for a month when this happened.

Strange case man, also 1.440 vcore and getting around 50c with H220 seems a bit hot if you ask me.

I run mine at 4.8Ghz with 1.520 vcore and run my H100i in push/pull in quiet mode.. if i set them to balanced i can get 5Ghz and get temps of around 60c...

Did you monitor your temps during the game? i always have HWINFO64 running on my Logitech g19 keyboard screen so i can monitor anything i want, so if there is anything wrong i can quickly look if its the temps or something else.

I also never heard of someones rig was gone up in smoke in about an hour.
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post #33134 of 67491
Quote:
Originally Posted by mus1mus View Post

Indid



I did a bit of reading on each architecture and whew, the FX is a true 8 core with 4 pipelines. That's the reason it is detected as 4 cores.. Intel on the other hand (4770k for example) is a 4 core with 4 pipelines that has hyperthreading. Thus a 4 core 8 threads.

The way hyperthreading works is that a core can carry 2 or more instructions per clock. That is due to them having more transistors per core than the FX using 22nm tech.

AMD, having 8 cores with 4 shared pipelines is having difficulty in processing simultaneous instructions as the pipelines get saturated with the instructions. Which requires a core per pipeline to be parked waiting til the other core has done processing it's instruction.

Those knowledgeable enough blamed Windows scheduler for the FX's underperformance and even did their own tweaks to show such crippling against AMD FX.

These were my interpretations of topic based on the accounts which can be seen online.

As for the heat, I think intels would produce comparable heat output to the FX due to them having more transistors that require more current. Even with lesser Voltage. Also, TIM on the haswells and Ivys were known to be crap. If you have one, delid..

One advantage of Intel though is the heat ceiling. That's 20 degrees more to the FX. Still, ivy and haswell overclockers can barely break 4.8GHz. But then again, they are still way better than the FX IPC-wise.

Correct me guys if I'm wrong..

interesting stuff man, thnx for the post thumb.gif
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post #33135 of 67491
Yeah, I thought it was kinda weird too. I did monitor the temps in game. Never came above 40°C. I also tested at 5000MHz and it never went above 55°C. It really looked promising to me until that happened. I was really disappointed when that happened.
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Zila
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post #33136 of 67491
Hi gen,

I have a little problem here. I recently bought myself a FX9590 vew weeks ago, and this chip was just awesome. I did 5.120ghz on just 1.54v 24/7.
But my problem now is this chip became worser than my previous FX8320 afther replacing my 2x HD7950 by 2x R9 280X. This thing now needs 1.6v for only 5.1ghz, it's even worser than average FX8350/8320. I really don't know what to do and it is really stressfull to be in this situation.

Can someone please help me out with tnis?
Thans smile.gif
post #33137 of 67491
Since nobody answered me, i will ask again biggrin.gif

What do you guys think of the Noctua nf-a14 flx? Im thinking on buy 4 of them, to put on my Arc Midi R2, and then have a H220 on the top, exhausting.

SO would be 2 Noctua on the front intake, 1 on the bottom intake, 1 on the rear exhausting and then the H220 on the top exhausting.
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post #33138 of 67491
Quote:
Originally Posted by Moonless View Post


These are the first reports I've heard of that happening since not a lot of people own the board. Could you tell me what voltage and clocks you were running when they blew? I definitely would like to know just how far either of you pushed the board before it happened. I definitely take your word for it happening and the reason the rig in in my sig is nicknamed the jerryrig is because it doesn't look all that nice since I have fans ziptied all over the place to keep all parts of the mobo as cool as possible sacrificing the (albeit common) red and black style it has in an attempt to run the highest clocks I can out of it. So I'd definitely like to hear more of what you guys have to say about the circumstances about your VRMs frying to avoid it myself and add more to the wealth of information we have here ( with this board in particular there is not much at all.) If I had to say is the Asus Crosshair V Formula-Z board is definitely going to be superior but at the same time it cost $100 more. When it comes to electronics you get what you pay for hehe. Anyway, I would be very grateful for some follow up information.


Edit: I'd definitely like to know what the LLC was as well.


I was stress testing (aida64 not prime 95) for 4.8 ghz. Running from 1.45 to about 1.49 volts when the vrm blew. If this helps. I do believe however it was because of the crazy way llc works on this asrock board. There wasn't a whole lot of fine tuning llc. The steps in between each setting where big jumps either more or less volts depending on which way you set it up.
post #33139 of 67491
Quote:
Since nobody answered me, i will ask again biggrin.gif

What do you guys think of the Noctua nf-a14 flx? Im thinking on buy 4 of them, to put on my Arc Midi R2, and then have a H220 on the top, exhausting.

I think youre better off asking that question in the cooling forum section.

Theyre pricey thats for sure, more than I personally would want to spend for a fan.
Edited by cpmee - 4/5/14 at 3:57pm
    
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post #33140 of 67491
Quote:
Originally Posted by austinmrs View Post

Since nobody answered me, i will ask again biggrin.gif

What do you guys think of the Noctua nf-a14 flx? Im thinking on buy 4 of them, to put on my Arc Midi R2, and then have a H220 on the top, exhausting.

SO would be 2 Noctua on the front intake, 1 on the bottom intake, 1 on the rear exhausting and then the H220 on the top exhausting.

 

I like the Noctua fans and have used them myself for high airflow. I replaced them with high static pressure fans to better results for fans that are going to be up against heat sink fin arrays, radiators etc.

these are  excellent fans for cooling and I currently use them for this purpose. short of a Delta fan and the noise that comes with them , these are the best I have found.

 

The cougar has a SP of 2.68MM H20

 

CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), default quality

 

 

The Coolermaster Excalibur has a SP of 3.53 mm H20

 

Both are quiet and have a pleasant operating tone.

 

Hope that input helps :)

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